LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier General Description RL = 2k 0.00003% (typ) The LM4562 is part of the ultra-low distortion, low noise, high slew rate operational amplifier series optimized and fully specified for high performance, high fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of 20V/s and an output current capability of 26mA. Further, dynamic range is maximized by an output stage that drives 2k loads to within 1V of either power supply voltage and to within 1.4V when driving 600 loads. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of 2.5V to 17V. Over this supply range the LM4562's input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF. The LM4562 is available in 8-lead narrow body SOIC, 8-lead Plastic DIP, and 8-lead Metal Can TO-99. Demonstration boards are available for each package. RL = 600 0.00003% (typ) Key Specifications Power Supply Voltage Range 2.5V to 17V Input Noise Density 2.7nV/Hz (typ) Slew Rate 20V/s (typ) Gain Bandwidth Product 55MHz (typ) Open Loop Gain (RL = 600) 140dB (typ) Input Bias Current 10nA (typ) Input Offset Voltage 0.1mV (typ) DC Gain Linearity Error 0.000009% Features Easily drives 600 loads Optimized for superior audio signal fidelity Output short circuit protection PSRR and CMRR exceed 120dB (typ) SOIC, DIP, TO-99 metal can packages Applications Ultra high quality audio amplification High fidelity preamplifiers High fidelity multimedia State of the art phono pre amps High performance professional audio High fidelity equalization and crossover networks High performance line drivers High performance line receivers High fidelity active filters THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz) Typical Application 201572k5 Passively Equalized RIAA Phono Preamplifier (c) 2010 National Semiconductor Corporation 201572 www.national.com LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier January 26, 2010 LM4562 Connection Diagrams 20157255 Order Number LM4562MA See NS Package Number -- M08A Order Number LM4562NA See NS Package Number -- N08E Metal Can 201572f3 Order Number LM4562HA See NS Package Number -- H08C www.national.com 2 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Power Supply Voltage (VS = V+ - V-) Storage Temperature Input Voltage 36V -65C to 150C Output Short Circuit (Note 3) Power Dissipation ESD Susceptibility (Note 4) 200V 100V 150C JA (SO) 145C/W JA (NA) 102C/W JA (HA) 150C/W JC (HA) Temperature Range (V-) - 0.7V to (V+) + 0.7V Continuous Internally Limited 2000V 35C/W TMIN TA TMAX Supply Voltage Range Electrical Characteristics for the LM4562 (Note 1, Note 2) -40C TA 85C 2.5V VS 17V The specifications apply for VS = 15V, RL = 2k, fIN = 1kHz, TA = 25C, unless otherwise specified. LM4562 Symbol Parameter Conditions Typical Limit (Note 6) (Note 7) 0.00003 0.00003 0.00009 Units (Limits) AV = 1, VOUT = 3Vrms THD+N Total Harmonic Distortion + Noise RL = 2k RL = 600 AV = 1, VOUT = 3VRMS Two-tone, 60Hz & 7kHz 4:1 % (max) IMD Intermodulation Distortion 0.00005 % GBWP Gain Bandwidth Product 55 45 MHz (min) SR Slew Rate 20 15 V/s (min) FPBW Full Power Bandwidth VOUT = 1VP-P, -3dB referenced to output magnitude at f = 1kHz ts Settling time AV = -1, 10V step, CL = 100pF 0.1% error range 1.2 Equivalent Input Noise Voltage fBW = 20Hz to 20kHz 0.34 0.65 Equivalent Input Noise Density f = 1kHz f = 10Hz 2.7 6.4 4.7 in Current Noise Density f = 1kHz f = 10Hz 1.6 3.1 VOS Offset Voltage 0.1 VOS/Temp Average Input Offset Voltage Drift vs -40C TA 85C Temperature 0.2 PSRR Average Input Offset Voltage Shift vs VS = 20V (Note 8) Power Supply Voltage 120 ISOCH-CH Channel-to-Channel Isolation fIN = 1kHz fIN = 20kHz 118 112 IB Input Bias Current VCM = 0V 10 IOS/Temp Input Bias Current Drift vs Temperature -40C TA 85C 0.1 IOS Input Offset Current VCM = 0V 11 65 nA (max) +14.1 -13.9 (V+) - 2.0 (V-) + 2.0 V (min) 120 110 dB (min) CMRR ZIN MHz s VRMS (max) en VIN-CM 10 Common-Mode Input Voltage Range Common-Mode Rejection -10V<Vcm<10V Differential Input Impedance Common Mode Input Impedance -10V<Vcm<10V 3 nV/Hz (max) pA/Hz 0.7 mV (max) V/C 110 dB (min) dB 72 nA (max) nA/C 30 k 1000 M www.national.com LM4562 ESD Susceptibility (Note 5) Pins 1, 4, 7 and 8 Pins 2, 3, 5 and 6 Junction Temperature Thermal Resistance Absolute Maximum Ratings (Note 1, Note LM4562 LM4562 Symbol AVOL Parameter Open Loop Voltage Gain Conditions IOUT Maximum Output Voltage Swing Output Current Limit (Note 6) (Note 7) -10V<Vout<10V, RL = 600 140 125 -10V<Vout<10V, RL = 2k 140 -10V<Vout<10V, RL = 10k VOUTMAX Typical dB (min) 140 RL = 600 13.6 RL = 2k 14.0 RL = 10k 14.1 RL = 600, VS = 17V Units (Limits) 26 12.5 V (min) 23 +53 -42 IOUT-CC Instantaneous Short Circuit Current ROUT Output Impedance fIN = 10kHz Closed-Loop Open-Loop CLOAD Capacitive Load Drive Overshoot 100pF 16 IS Total Quiescent Current IOUT = 0mA 10 mA (min) mA 0.01 13 % 12 mA (max) Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Note 2: Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. Note 3: Amplifier output connected to GND, any number of amplifiers within a package. Note 4: Human body model, 100pF discharged through a 1.5k resistor. Note 5: Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage and then discharged directly into the IC with no external series resistor (resistance of discharge path must be under 50). Note 6: Typical specifications are specified at +25C and represent the most likely parametric norm. Note 7: Tested limits are guaranteed to National's AOQL (Average Outgoing Quality Level). Note 8: PSRR is measured as follows: VOS is measured at two supply voltages, 5V and 15V. PSRR = | 20log(VOS/VS) |. www.national.com 4 LM4562 Typical Performance Characteristics THD+N vs Output Voltage VCC = 15V, VEE = -15V RL = 2k THD+N vs Output Voltage VCC = 12V, VEE = -12V RL = 2k 201572k6 201572k7 THD+N vs Output Voltage VCC = 17V, VEE = -17V RL = 2k THD+N vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 2k 201572k8 201572i4 THD+N vs Output Voltage VCC = 15V, VEE = -15V RL = 600 THD+N vs Output Voltage VCC = 12V, VEE = -12V RL = 600 201572k9 201572l0 5 www.national.com LM4562 THD+N vs Output Voltage VCC = 17V, VEE = -17V RL = 600 THD+N vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 600 201572l1 201572i6 THD+N vs Output Voltage VCC = 15V, VEE = -15V RL = 10k THD+N vs Output Voltage VCC = 12V, VEE = -12V RL = 10k 201572l2 201572l3 THD+N vs Output Voltage VCC = 17V, VEE = -17V RL = 10k THD+N vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 10k 201572l4 201572i5 www.national.com 6 LM4562 THD+N vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS RL = 2k THD+N vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS RL = 2k 20157263 20157262 THD+N vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS RL = 2k THD+N vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS RL = 600 20157264 20157259 THD+N vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS RL = 600 THD+N vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS RL = 600 201572k3 20157260 7 www.national.com LM4562 THD+N vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS RL = 10k THD+N vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS RL = 10k 20157267 20157266 THD+N vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS RL = 10k IMD vs Output Voltage VCC = 15V, VEE = -15V RL = 2k 20157268 201572e6 IMD vs Output Voltage VCC = 12V, VEE = -12V RL = 2k IMD vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 2k 201572e5 www.national.com 201572e4 8 LM4562 IMD vs Output Voltage VCC = 17V, VEE = -17V RL = 2k IMD vs Output Voltage VCC = 15V, VEE = -15V RL = 600 201572e7 201572e2 IMD vs Output Voltage VCC = 12V, VEE = -12V RL = 600 IMD vs Output Voltage VCC = 17V, VEE = -17V RL = 600 201572e0 201572e3 IMD vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 600 IMD vs Output Voltage VCC = 15V, VEE = -15V RL = 10k 201572e1 201572f1 9 www.national.com LM4562 IMD vs Output Voltage VCC = 12V, VEE = -12V RL = 10k IMD vs Output Voltage VCC = 17V, VEE = -17V RL = 10k 201572f0 201572f2 IMD vs Output Voltage VCC = 2.5V, VEE = -2.5V RL = 10k Voltage Noise Density vs Frequency 201572h6 201572l6 Current Noise Density vs Frequency Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS AV = 0dB, RL = 2k 201572h7 201572c8 www.national.com 10 LM4562 Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 10VRMS AV = 0dB, RL = 2k Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS AV = 0dB, RL = 2k 201572c9 201572c6 Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 10VRMS AV = 0dB, RL = 2k Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS AV = 0dB, RL = 2k 201572c7 201572d0 Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 10VRMS AV = 0dB, RL = 2k Crosstalk vs Frequency VCC = 2.5V, VEE = -2.5V, VOUT = 1VRMS AV = 0dB, RL = 2k 201572d1 201572n8 11 www.national.com LM4562 Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS AV = 0dB, RL = 600 Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 10VRMS AV = 0dB, RL = 600 201572d6 201572d7 Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS AV = 0dB, RL = 600 Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 10VRMS AV = 0dB, RL = 600 201572d4 201572d5 Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS AV = 0dB, RL = 600 Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 10VRMS AV = 0dB, RL = 600 201572d8 www.national.com 201572d9 12 LM4562 Crosstalk vs Frequency VCC = 2.5V, VEE = -2.5V, VOUT = 1VRMS AV = 0dB, RL = 600 Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 3VRMS AV = 0dB, RL = 10k 201572d2 201572o0 Crosstalk vs Frequency VCC = 15V, VEE = -15V, VOUT = 10VRMS AV = 0dB, RL = 10k Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 3VRMS AV = 0dB, RL = 10k 201572n7 201572n9 Crosstalk vs Frequency VCC = 12V, VEE = -12V, VOUT = 10VRMS AV = 0dB, RL = 10k Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 3VRMS AV = 0dB, RL = 10k 201572n6 201572n5 13 www.national.com LM4562 Crosstalk vs Frequency VCC = 17V, VEE = -17V, VOUT = 10VRMS AV = 0dB, RL = 10k Crosstalk vs Frequency VCC = 2.5V, VEE = -2.5V, VOUT = 1VRMS AV = 0dB, RL = 10k 201572n3 201572n4 PSRR+ vs Frequency VCC = 15V, VEE = -15V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 15V, VEE = -15V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp 201572p1 201572p4 PSRR+ vs Frequency VCC = 15V, VEE = -15V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 15V, VEE = -15V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp 201572p2 201572p5 www.national.com 14 PSRR- vs Frequency VCC = 15V, VEE = -15V RL = 600, f = 200kHz, VRIPPLE = 200mVpp 201572p3 201572p0 PSRR+ vs Frequency VCC = 12V, VEE = -12V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 12V, VEE = -12V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp 201572p7 201572q0 PSRR+ vs Frequency VCC = 12V, VEE = -12V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 12V, VEE = -12V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp 201572p8 201572q1 15 www.national.com LM4562 PSRR+ vs Frequency VCC = 15V, VEE = -15V RL = 600, f = 200kHz, VRIPPLE = 200mVpp LM4562 PSRR+ vs Frequency VCC = 12V, VEE = -12V RL = 600, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 12V, VEE = -12V RL = 600, f = 200kHz, VRIPPLE = 200mVpp 201572p9 201572p6 PSRR+ vs Frequency VCC = 17V, VEE = -17V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 17V, VEE = -17V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp 201572q9 201572r2 PSRR+ vs Frequency VCC = 17V, VEE = -17V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 17V, VEE = -17V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp 201572r0 201572r3 www.national.com 16 PSRR- vs Frequency VCC = 17V, VEE = -17V RL = 600, f = 200kHz, VRIPPLE = 200mVpp 201572q8 201572r1 PSRR+ vs Frequency VCC = 2.5V, VEE = -2.5V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 2.5V, VEE = -2.5V RL = 10k, f = 200kHz, VRIPPLE = 200mVpp 201572q3 201572q6 PSRR+ vs Frequency VCC = 2.5V, VEE = -2.5V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 2.5V, VEE = -2.5V RL = 2k, f = 200kHz, VRIPPLE = 200mVpp 201572q4 201572q7 17 www.national.com LM4562 PSRR+ vs Frequency VCC = 17V, VEE = -17V RL = 600, f = 200kHz, VRIPPLE = 200mVpp LM4562 PSRR+ vs Frequency VCC = 2.5V, VEE = -2.5V RL = 600, f = 200kHz, VRIPPLE = 200mVpp PSRR- vs Frequency VCC = 2.5V, VEE = -2.5V RL = 600, f = 200kHz, VRIPPLE = 200mVpp 201572q2 201572q5 CMRR vs Frequency VCC = 15V, VEE = -15V RL = 2k CMRR vs Frequency VCC = 12V, VEE = -12V RL = 2k 201572f7 201572g0 CMRR vs Frequency VCC = 17V, VEE = -17V RL = 2k CMRR vs Frequency VCC = 2.5V, VEE = -2.5V RL = 2k 201572g3 www.national.com 201572f4 18 LM4562 CMRR vs Frequency VCC = 15V, VEE = -15V RL = 600 CMRR vs Frequency VCC = 12V, VEE = -12V RL = 600 201572o9 201572f9 CMRR vs Frequency VCC = 17V, VEE = -17V RL = 600 CMRR vs Frequency VCC = 2.5V, VEE = -2.5V RL = 600 201572g5 201572f6 CMRR vs Frequency VCC = 15V, VEE = -15V RL = 10k CMRR vs Frequency VCC = 12V, VEE = -12V RL = 10k 201572o8 201572f8 19 www.national.com LM4562 CMRR vs Frequency VCC = 17V, VEE = -17V RL = 10k CMRR vs Frequency VCC = 2.5V, VEE = -2.5V RL = 10k 201572g4 201572f5 Output Voltage vs Load Resistance VDD = 15V, VEE = -15V THD+N = 1% Output Voltage vs Load Resistance VDD = 12V, VEE = -12V THD+N = 1% 201572h0 201572h1 Output Voltage vs Load Resistance VDD = 17V, VEE = -17V THD+N = 1% Output Voltage vs Load Resistance VDD = 2.5V, VEE = -2.5V THD+N = 1% 201572h2 www.national.com 201572g9 20 LM4562 Output Voltage vs Supply Voltage RL = 2k, THD+N = 1% Output Voltage vs Supply Voltage RL = 600, THD+N = 1% 201572j8 201572j9 Output Voltage vs Supply Voltage RL = 10k, THD+N = 1% Supply Current vs Supply Voltage RL = 2k 201572k0 201572j6 Supply Current vs Supply Voltage RL = 600 Supply Current vs Supply Voltage RL = 10k 201572j7 201572j5 21 www.national.com LM4562 Full Power Bandwidth vs Frequency Gain Phase vs Frequency 201572j0 201572j1 Small-Signal Transient Response AV = 1, CL = 10pF Small-Signal Transient Response AV = 1, CL = 100pF 201572i7 www.national.com 201572i8 22 DISTORTION MEASUREMENTS The vanishingly low residual distortion produced by LM4562 is below the capabilities of all commercially available equipment. This makes distortion measurements just slightly more difficult than simply connecting a distortion meter to the amplifier's inputs and outputs. The solution, however, is quite simple: an additional resistor. Adding this resistor extends the resolution of the distortion measurement equipment. The LM4562's low residual distortion is an input referred internal error. As shown in Figure 1, adding the 10 resistor connected between the amplifier's inverting and non-inverting inputs changes the amplifier's noise gain. The result is that 201572k4 FIGURE 1. THD+N and IMD Distortion Test Circuit 23 www.national.com LM4562 the error signal (distortion) is amplified by a factor of 101. Although the amplifier's closed-loop gain is unaltered, the feedback available to correct distortion errors is reduced by 101, which means that measurement resolution increases by 101. To ensure minimum effects on distortion measurements, keep the value of R1 low as shown in Figure 1. This technique is verified by duplicating the measurements with high closed loop gain and/or making the measurements at high frequencies. Doing so produces distortion components that are within the measurement equipment's capabilities. This datasheet's THD+N and IMD values were generated using the above described circuit connected to an Audio Precision System Two Cascade. Application Information LM4562 The LM4562 is a high speed op amp with excellent phase margin and stability. Capacitive loads up to 100pF will cause little change in the phase characteristics of the amplifiers and are therefore allowable. Capacitive loads greater than 100pF must be isolated from the output. The most straightforward way to do this is to put a resistor in series with the output. This resistor will also prevent excess power dissipation if the output is accidentally shorted. 20157227 Complete shielding is required to prevent induced pick up from external sources. Always check with oscilloscope for power line noise. Noise Measurement Circuit Total Gain: 115 dB @f = 1 kHz Input Referred Noise Voltage: en = V0/560,000 (V) RIAA Preamp Voltage Gain, RIAA Deviation vs Frequency Flat Amp Voltage Gain vs Frequency 20157228 www.national.com 20157229 24 LM4562 TYPICAL APPLICATIONS NAB Preamp NAB Preamp Voltage Gain vs Frequency 20157231 20157230 AV = 34.5 F = 1 kHz En = 0.38 V A Weighted Balanced to Single Ended Converter Adder/Subtracter 20157233 VO = V1 + V2 - V3 - V4 20157232 VO = V1-V2 Sine Wave Oscillator 20157234 25 www.national.com LM4562 Second Order Low Pass Filter (Butterworth) Second Order High Pass Filter (Butterworth) 20157235 20157236 Illustration is f0 = 1 kHz Illustration is f0 = 1 kHz State Variable Filter 20157237 Illustration is f0 = 1 kHz, Q = 10, ABP = 1 www.national.com 26 LM4562 AC/DC Converter 20157238 2 Channel Panning Circuit (Pan Pot) Line Driver 20157239 20157240 27 www.national.com LM4562 Tone Control 20157241 Note: The equations started above are simplifications, providing guidance of general -3dB point values, when the potentiometers are at their null position. Illustration is: fL 32 Hz, fLB 320 Hz fH 11 kHz, fHB 1.1 kHz 20157242 www.national.com 28 LM4562 RIAA Preamp 20157203 Av = 35 dB En = 0.33 V S/N = 90 dB f = 1 kHz A Weighted A Weighted, VIN = 10 mV @f = 1 kHz Balanced Input Mic Amp 20157243 Illustration is: V0 = 101(V2 - V1) 29 www.national.com LM4562 10 Band Graphic Equalizer 20157244 fo (Hz) C1 C2 R1 R2 32 0.12F 4.7F 75k 500 64 0.056F 3.3F 68k 510 125 0.033F 1.5F 62k 510 250 0.015F 8200pF 0.82F 68k 470 500 0.39F 62k 470 1k 3900pF 0.22F 68k 470 2k 2000pF 0.1F 68k 470 4k 1100pF 0.056F 62k 470 8k 510pF 0.022F 68k 510 16k 330pF 0.012F 51k 510 Note 9: At volume of change = 12 dB Q = 1.7 Reference: "AUDIO/RADIO HANDBOOK", National Semiconductor, 1980, Page 2-61 www.national.com 30 LM4562 Revision History Rev Date 1.0 08/16/06 Description Initial release. 1.1 08/22/06 Updated the Instantaneous Short Circuit Current specification. 1.2 09/12/06 Updated the three 15V CMRR Typical Performance Curves. 1.3 09/26/06 Updated interstage filter capacitor values on page 1 Typical Application schematic. 1.4 05/03/07 Added the "general note" under the EC table. 1.5 10/17/07 Replaced all the PSRR curves. 1.6 01/26/10 Edited the equations on page 28 (under Tone Control). 31 www.national.com LM4562 Physical Dimensions inches (millimeters) unless otherwise noted Narrow SOIC Package Order Number LM4562MA NS Package Number M08A Dual-In-Line Package Order Number LM4562NA NS Package Number N08E www.national.com 32 LM4562 TO-99 Metal Can Package Order Number LM4562HA NS Package Number H08C 33 www.national.com LM4562 Dual High Performance, High Fidelity Audio Operational Amplifier Notes For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Design Support Amplifiers www.national.com/amplifiers WEBENCH(R) Tools www.national.com/webench Audio www.national.com/audio App Notes www.national.com/appnotes Clock and Timing www.national.com/timing Reference Designs www.national.com/refdesigns Data Converters www.national.com/adc Samples www.national.com/samples Interface www.national.com/interface Eval Boards www.national.com/evalboards LVDS www.national.com/lvds Packaging www.national.com/packaging Power Management www.national.com/power Green Compliance www.national.com/quality/green Switching Regulators www.national.com/switchers Distributors www.national.com/contacts LDOs www.national.com/ldo Quality and Reliability www.national.com/quality LED Lighting www.national.com/led Feedback/Support www.national.com/feedback Voltage References www.national.com/vref Design Made Easy www.national.com/easy www.national.com/powerwise Applications & Markets www.national.com/solutions Mil/Aero www.national.com/milaero PowerWise(R) Solutions Serial Digital Interface (SDI) www.national.com/sdi Temperature Sensors www.national.com/tempsensors SolarMagicTM www.national.com/solarmagic PLL/VCO www.national.com/wireless www.national.com/training PowerWise(R) Design University THE CONTENTS OF THIS DOCUMENT ARE PROVIDED IN CONNECTION WITH NATIONAL SEMICONDUCTOR CORPORATION ("NATIONAL") PRODUCTS. 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