3-146
November 1996
CA5260, CA5260A
3MHz, BiMOS Micr opr ocessor Operational
Amplifiers with MOSFET Input/CMOS Output
Features
• MOSFET Input Stage provides
- Very High ZI = 1.5TΩ (1.5 x 1012Ω) (Typ)
- Very Low II= 5pA (Typ) at 15V Operation
= 2pA (Typ) at 5V Operation
• Ideal for Single Supply Applications
• Common Mode Input Voltage Range Includes
Negative Supply Rail; Input Terminals Can be
Swung 0.5V Below Negative Supply Rail
• CMOS Output Stage Permits Signal Swing to Either
(or Both) Supply Rails
• CA5260A, CA5260 Have Full Military Temperature
Range Guaranteed Specifications for V+ = 5V
• CA5260A, CA5260 are Guaranteed to Operate Down to
4.5V for AOL
• Fully Guaranteed to Operate from -55oC to 125oC at
V+ = 5V, V- = GND
Applications
• Ground Referenced Single Supply Amplifiers
• Fast Sample-Hold Amplifiers
• Long Duration Timers/Monostables
• Ideal Interface with Digital CMOS
• High Input Impedance Wideband Amplifiers
• Voltage Followers (e.g., Follower for Single Supply
D/A Converter)
• Voltage Regulators (Permits Control of Output Voltage
Down to 0V)
• Wien Bridge Oscillators
• Voltage Controlled Oscillators
• Photo Diode Sensor Amplifiers
• 5V Logic Systems
• Microprocessor Interface
Description
The CA5260A and CA5260 are integrated-circuit operational
amplifiers that combine the advantage of both CMOS and
bipolar transistors on a monolithic chip. The CA5260 series
circuits are dual versions of the popular CA5160 series. They
are designed and guaranteed to operate in microprocessor or
logic systems that use +5V supplies.
Gate-protected P-Channel MOSFET (PMOS) transistors are
used in the input circuit to provide ver y-high-input impedance,
very-low-input current, and exceptional speed performance.
The use of PMOS field-effect transistors in the input stage
results in common-mode input-voltage capability down to 0.5V
below the negative-supply terminal, an important attribute in
single-supply applications.
A complementary-symmetry MOS (CMOS) transistor-pair,
capable of s winging the output voltage to within 10mV of either
supply-voltage terminal (at very high values of load imped-
ance), is employed as the output circuit.
The CA5260 Series circuits operate at supply voltages r anging
from 4.5V to 16V, or ±2.25V to ±8V when using split supplies.
The CA5260, CA5260A have guaranteed specifications for 5V
operation over the full military temperature range of -55oC to
125oC.
Pinout
CA5260 (PDIP, SOIC)
TOP VIEW
Ordering Information
PART NUMBER
(BRAND) TEMP.
RANGE (oC) PACKAGE PKG.
NO.
CA5260AE -55 to 125 8 Ld PDIP E8.3
CA5260AM
(5260A) -55 to 125 8 Ld SOIC M8.15
CA5260AM96
(5260A) -55 to 125 8 Ld SOIC Tape
and Reel M8.15
CA5260E -55 to 125 8 Ld PDIP E8.3
CA5260M
(5260) -55 to 125 8 Ld SOIC M8.15
CA5260M96
(5260) -55 to 125 8 Ld SOIC Tape
and Reel M8.15
NON INV. INPUT (A)
V-
1
2
3
8
7
6
5
V+
OUTPUT (B)
INV. INPUT (B)
NON INV. INPUT (B)
OUTPUT (A)
A
4
B
+-
+
-
INV. INPUT (A)
File Number 1929.3
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
3-147
Absolute Maximum Ratings Thermal Information
Supply Voltage (Between V+ and V- Terminals). . . . . . . . . . . . . 16V
Differential Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V
Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . (V+ +8V) to (V- -0.5V)
Input Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Output Short Circuit Duration (Note 1). . . . . . . . . . . . . . . . Indefinite
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Thermal Resistance (Typical, Note 2) θJA (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
SOIC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Maximum Junction Temperature (Die). . . . . . . . . . . . . . . . . . . 175oC
Maximum Junction Temperature (Plastic Package) . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Short circuit may be applied to ground or to either supply.
2. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications Typical Values Intended Only for Design Guidance, V+ = 5V, V- = 0V, TA = 25οC,
Unless Otherwise Specified
PARAMETER SYMBOL TEST CONDITIONS
TYPICAL VALUES
UNITSCA5260 CA5260A
Input Resistance RI1.5 1.5 TΩ
Input Capacitance CIf = 1MHz 4.3 4.3 pF
Unity Gain Crossover Frequency fT3 3 MHz
Slew Rate SR VOUT = 2.5VP-P 55V/µs
Transient Response CL = 25pF, RL = 2kΩ
(Voltage Follower)
Rise Time tr0.09 0.09 µs
Overshoot OS 10 10 %
Settling Time (To <0.1%, VIN = 4VP-P)t
SCL = 25pF, RL = 2kΩ
(Voltage Follower) 1.8 1.8 µs
Electrical Specifications TA = 25oC, V+ = 5V, V- = 0V
PARAMETER SYMBOL TEST
CONDITIONS
CA5260 CA5260A
UNITSMIN TYP MAX MIN TYP MAX
Input Offset Voltage VIO VO = 2.5V - 2 15 - 1.5 4 mV
Input Offset Current IIO VO = 2.5V - 1 10 - 1 10 pA
Input Current IIVO = 2.5V - 2 15 - 2 15 pA
Common Mode Rejection Ratio CMRR VCM = 0 to 1V 70 85 - 80 85 - dB
VCM = 0 to 2.5V 50 55 - 50 55 - dB
Common Mode Input Voltage
Range VlCR+ 2.5 3 - 2.5 3 - V
VlCR- - -0.5 0 - -0.5 0 V
Power Supply Rejection Ratio PSRR ∆V+ = 1V; ∆V- = 1V 70 84 - 75 84 - dB
Large Signal Voltage Gain
(Note 3) AOL RL = ∞, VO = 0.5 to 4V 105 111 - 107 113 - dB
RL = 10kΩ,
VO = 0.5 to 3.6V 80 86 - 83 86 - dB
Source Current ISOURCE VO = 0V 1.75 2.2 - 1.75 2.2 - mA
Sink Current ISINK VO = 5V 1.70 2 - 1.70 2 - mA
Output Voltage VOM+R
L = ∞4.99 5 - 4.99 5 - V
VOM- - 0 0.01 - 0 0.01 V
VOM+R
L = 10kΩ4.4 4.7 - 4.4 4.7 - V
VOM- - 0 0.01 - 0 0.01 V
VOM+R
L = 2kΩ3 3.4 - 3 3.4 - V
VOM- - 0 0.01 - 0 0.01 V
CA5260, CA5260A
3-148
Supply Current ISUPPLY VO = 0V - 1.60 2.0 - 1.60 2.0 mA
VO = 2.5V - 1.80 2.25 - 1.80 2.25 mA
NOTE:
3. For V+ = 4.5V and V- = GND; VOUT = 0.5V to 3.2V at RL = 10kΩ.
Electrical Specifications TA = 25oC, V+ = 5V, V- = 0V (Continued)
PARAMETER SYMBOL TEST
CONDITIONS
CA5260 CA5260A
UNITSMIN TYP MAX MIN TYP MAX
Electrical Specifications TA = -55oC to 125oC, V+ = 5V, V- = 0V
PARAMETER SYMBOL TEST
CONDITIONS
CA5260 CA5260A
UNITSMIN TYP MAX MIN TYP MAX
Input Offset Voltage VIO VO = 2.5V - 3 20 - 2 15 mV
Input Offset Current IIO VO = 2.5V - 1 10 - 1 10 nA
Input Current IIVO = 2.5V - 2 15 - 2 15 nA
Common Mode Rejection Ratio CMRR VCM = 0 to 1V 60 78 - 65 78 - dB
VCM = 0 to 2.5V 50 60 - 50 60 - dB
Common Mode Input Voltage
Range VlCR+ 2.5 3 - 2.5 3 - V
VlCR- - -0.5 0 - -0.5 0 V
Power Supply Rejection Ratio PSRR ∆V+ = 1V;
∆V- = 1V 60 65 - 62 65 - dB
Large Signal Voltage Gain
(Note 4) AOL RL = ∞,
VO = 0.5 to 4V 70 78 - 70 78 - dB
RL = 10kΩ,
VO = 0.5 to 3.6V 60 65 - 60 65 - dB
Source Current ISOURCE VO = 0V 1.3 1.6 - 1.3 1.6 - mA
Sink Current ISINK VO = 5V 1.2 1.4 - 1.2 1.4 - mA
Output Voltage VOM+R
L = ∞4.99 5 - 4.99 5 - V
VOM- - 0 0.01 - 0 0.01 V
VOM+R
L = 10kΩ4.2 4.4 - 4.2 4.4 - V
VOM- - 0 0.01 - 0 0.01 V
VOM+R
L = 2kΩ2.5 2.7 - 2.5 2.7 - V
VOM- - 0 0.01 - 0 0.01 V
Supply Current ISUPPLY VO = 0V - 1.65 2.2 - 1.65 2.2 mA
VO = 2.5V - 1.95 2.35 - 1.95 2.35 mA
NOTE:
4. For V+ = 4.5V and V- = GND; VOUT = 0.5V to 3.2V at RL = 10kΩ.
Electrical Specifications Each Amplifier at TA = 25oC, V+ = 15V, V- = 0V, Unless Otherwise Specified
PARAMETER SYMBOL TEST
CONDITIONS
CA5260 CA5260A
UNITSMIN TYP MAX MIN TYP MAX
Input Offset Voltage VIO VS = ±7.5 - 6 15 - 2 5 mV
Input Offset Current IIO VS = ±7.5 - 0.5 30 - 0.5 20 pA
Input Current IIVS = ±7.5 - 5 50 - 5 30 pA
Large Signal Voltage Gain AOL VO = 10VP-P,
RL = 10kΩ50 320 - 50 320 - kV/V
94 110 - 94 110 - dB
Common Mode Rejection Ratio CMRR 70 90 - 80 95 - dB
CA5260, CA5260A
3-149
Schematic Diagram
Common Mode Input Voltage
Range VlCR 10 -0.5 to
12 0 10 -0.5 to
12 0V
Power Supply Rejection Ratio,
∆VIO/∆V±PSRR VS = ±7.5 - 32 320 - 32 150 µV/V
Maximum Output Voltage VOM+R
L = 10kΩ11 13.3 - 11 13.3 - V
VOM- - 0.002 0.01 - 0.002 0.01 V
VOM+R
L = ∞14.99 15 - 14.99 15 - V
VOM- - 0 0.01 - 0 0.01 V
Maximum Output Current IOM+
(Source) VO = 7.5V 12 22 45 12 22 45 mA
IOM- (Sink) 12 20 45 12 20 45 mA
Total Supply Current, RL = ∞I+ VO (Amp A) = 7.5V
VO (Amp B) = 7.5V - 9 16.5 - 9 16.5 mA
VO (Amp A) = 0V
VO (Amp B) = 0V - 1.2 4 - 1.2 4 mA
VO (Amp A) = 0V
VO (Amp B) = 7.5V - 5 9.5 - 5 9.5 mA
Input Offset Voltage
Temperature Drift ∆VIO/∆T-8--6-µV/oC
Crosstalk f = 1kHz - 120 - - 120 - dB
Electrical Specifications Each Amplifier at TA = 25oC, V+ = 15V, V- = 0V, Unless Otherwise Specified (Continued)
PARAMETER SYMBOL TEST
CONDITIONS
CA5260 CA5260A
UNITSMIN TYP MAX MIN TYP MAX
R6
200K R7
300K
Q12
Q11 Q10
D2D3
D4
D1
Q1Q2
Q6
R4
1K
R2
1K
R1
1K
R3
1K
Q13
Q14
Q3Q4
C1
30pF
R5
2K
Q7Q9
3 2 1
Q5
Q8
AMPLIFIER A
R13
200K
R14
300Ω
Q26
Q25
Q24
D7
D6
D5D8
Q15
Q16
Q20
R11
1K
R9
1K R8
1K
R10
1K Q27 Q28
Q17
Q18
C2
30pF
R12
2K
Q21
Q23
567
Q19
Q22
AMPLIFIER B
4
8
V+
C3
C4
OUT -IN +IN V-+IN -IN
CA5260, CA5260A
3-150
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Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate
and reliable . However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which
may result from its use . No license is g r anted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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CA5260, CA5260A
