MA AAL/SVI CMOS 8 Bit Multiplying D/A Converter General Description The MX7523 is high performance multiplying 8 bit digital-to-analog converter (DAC). Low power CMOS technology and low cost make it suitable for a wide range of analog data acquisition and control appli- cations. Thin-film resistors assure 8 bit resolution with up to 10 bit linearity (L grade) over the full operating tem- perature range. In addition, all digital inputs are compatible with CMOS logic levels. Maxim's MX7523 is electrically and pin compatible with the Analog Devices AD7523 and is available in a standard width 16-lead DIP as well as small outline package. Applications Automatic Test Equipment Digital Calibration Systems Battery Powered Instruments Audio Gain Control Digitally Controlled Filters Programmable Power Supplies Motion Control Systems Pin Configuration Top View GUTI QuT2 Arg Veer GND Von SMA KUNI BIT 1 (MSB) [7] ~ qyy-75a9 NC. BIT 2G NC. BIT 3 BIT 8 (LSB) | BIT 4 [7 BIT 7 BITS [2] Features @ 8,9 and 10 Bit Linearity @ +1.5% Untrimmed Gain Accuracy @ Guaranteed Monotonic @ Low Feedthrough 1/2LSB at 200kHz @ Low Power Consumption # CMOS Compatible Logic Inputs @ Widely Second Sourced Ordering Information | _ PART TEMP RANGE PACKAGE ERROR | | MX7523JN 0C to +70C Plastic DIP LSB " Mx7523KN 0C to +70C Plastic DIP uLsB | MX7523LN OCto+70C s~Plastic DIP. SBC MX7523NCWE C to +70C Small Outline LSB | MX7523KCWE C to +70C Small Outline LSB [MX7S23LCWE 0G to +70G Small Outline ALB | * All devices 16 lead packages Typical Operating Circuit MAAXIAMA | DIGITAL INPUT 1SV BIT) - BITS guts Vo MAXI vi X7523 oure GND Vrer | | | 256, o-" DB D = Digital Input Code | Digitally Controlled Gain | _ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature. EcSZLXWMX7523 CMOS 8 Bit Multiplying D/A Converter ABSOLUTE MAXIMUM RATINGS Vop tOGND 2. cece eects -0.3V, +17V Storage Temperature ........ 0... eee eee -65C to - 150C Veer tO GND oon eee tenn e eens -25V Lead Temperature (Soldering 10 secs) ...........2.... +300C Rrra to GND Le. 225V Power Dissipation to + 70C Digital Input Voltage to GND... 2... eee eee -0.3V. Vep Plastic DIP oo eee eee 670mW Output Voltage (OQUT1, OUT2) (Note 1) .............. -0.3V, Vop Small Outline 2.0.0... ce eee eae 450mW Operating Temperature Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratinigs only and functianal operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Fxposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (Ta = = Tain tO Tmax. Vop = +15V. Veer = +10V, Vout1 = Voutz = GND, unless otherwise specified) PARAMETER : SYMBOL CONDITIONS MIN. TYR MAX. | UNITS | | DC ACCURACY Resolution 8 Bits 0.2% FSR = %LSB J hs Nonlinearity (Note 2} _ 0.1% FSR = 4LSB K Phy LSB 0.05% FSR = @L SB L Phy Monotonicity Guaranteed i acerca ae yp, a EES ee 4058 | Gain Error (Note 2, 3) Digital Inputs = Vinu eee 4 ; % FSR pe MINA i Power Supply Rejection (Note 2) PSRR_ Vag. = +14V to +18V 1" = eae oes 0M MIN MAX ' QUT1, Digital Inputs = Vin i to Tae NO Output Leakage Current AIN MAX OE na OUT2, Digital Inputs = V Ta = 25C "50 INH Tain 10 Tyrax - 200 re T TO _ _ 1 Ly Veer Input Resistance Reece | Ty = +25C i 5 10 20 ko _ _ + {| --_ _ ._- 4 ' Veer Resistance - Tempco | | (Note 4) | 500 | ppm/*C : AC PERFORMANCE (Note 4) _ oS Output Current Settling Time : R, : 000, Digital Inputs = i | to Q. > 0.2% of FSR Vint to Vinn and Vine tO Vin Digital Inputs = Vig, Feedthrough Error Veer ~ 20Vp.p. 200 KHz a ; Digital Inputs = Vin Output Capacitance Cour ee | [ tall =V j Digital Inputs = Vine | DIGITAL INPUTS _ Logic HIGH Threshold VinH | Logic LOW Threshold Vine _ Input Leakage Current Digital inputs = OV or +15V _ Input Capacitance, {Note 4) | ee at Input Coding : Unipolar Operation (Table 1) | Bipolar Operation (Table 2) | POWER REQUIREMENTS i a i . : Accuracy not guaranteed Pawer Supply Range . Vpo over this range PC Power ver Supply Current lop Digital inputs - Ving OF Vine Note 1: Vouti, 2 may exceed the Absolute Maximum voltage rating if the current is limited to 30mMA or less. Note 2: Using internal feedback resistor (Rrg). Full scale range (FSR) = -(Vrer - Note 3: Maximum gain change from +25C to Twin or Taax iS 0.3% FSR. Note 4: Guaranteed by design bui not 100% tested. ts= Ty = 425C 450 ns iInH_ I min tO Tax 200 { _ Ty = 426C ths LSB Tun tO Tmax OuTt 4100 OUT2 30 OS pF OuT1 30 OuT2 100 eo _ Binary i | Offset set Binary bows te Tv 1 IE 1LSB) in unipolar mode. MAXI/VICMOS 8 Bit Multiplying D/A Converter 10k 10k!) 1Dk{) Ver 20k 20k $1 82 1 ' 1 1 LY 1 I 1 i: | { A L BIT) (MB) BIT 2 BIT 3 Figure 1. MX 7523 Functional Diagram +O +15 Rl 2kH 1 ui RZ Tkes af ree Yoo pas yy ss oun) > DATA INPUTS. | MAXIM Your Lap MX7525 gure , LSB 2 MIAXKI GND MAX400 3 R1. R? used only if gain adjustment ts required {__. Figure 2. Unipolar Binary Operation (2-Quadrant Multiplication} | 16 R2 Tks) _ pata Pavia OUT! y INPUTS ti) MX7523 gute our wld SB MAKI GNO MAX400 R5 100k!? R4 5kt) RE 10kK!! MA KIM MAX400 RGR4 match 0.1% or better R1. R2 used only if gain adjustment ts required R5 R7 used to adjust Vo.;; = OV at input code 10000000 L Figure 3. Bipolar (4-Quadrant) Operation MAXIM Table 1. Unipolar Binary Code Table DIGITAL INPUT | MSB LsB ANALOG OUTPUT 14444449 Veet (3) 10 0.0.0.0 0 11 -Vaer (EE) 0 0 00 0 0|-~Vace (432) ~ Re | 127 ) ! 1 4 4 7 4 4, Vege 1 | -VREe nm nN +> Oo ao oO s nm Ao a D ~ 4 Co 0 0 0 0 0 01 -Vpge ___| TO 1 Note: 1LSB = (28)(Vre-) = ec) (Veer) Table 2. Bipolar (Offset Binary) Code Table DIGITAL INPUT 10060000 0 0 | 0 | 1 oO 144 414 4 | +Vage (- ine 427 0 0 0 0 0 0 0 1! +VpeF (oo 128 0 0 0 0 0 0 0 Oj +Vaer (se Po . 1 Note: 1LSB = (27)(Vrer) = (G5g-) Ver) MSB LSB ANALOG OUTPUT | | Chip Topography ous7 (2.464mm) | ouT2 aut) <<? fre Veer Yoo i 7 0.086" (2.184mm] a a | BIT 5 BIT 6 BIT 7 BIT 8 ECSLXWMX7523 CMOS 8 Bit Multiplying D/A Converter Package Information E bin INCHES MILLIMETERS | MIN | MAX | MIN | MAX IK Soy TE tee Pe i i A3 A2 | 0.125 | 0.175 | 3.18 + 4.45 a A2 T t A3 | 0.055 | 0.080 | 140 | 2.03 | 1 ' B | 0.016 | 0.022 | 0.41 | 056 | _ Bt | 0.045 | 0.065 | 1144 | 1.65 1 i c | 0.008 | 0.012 | 020 | 0.30 Loony " 0 415 i pt | 0.005 | 0.080 | 0.13 | 2.03 Y_ ~ " E | 0300 | 0.925 | 7.62 | 8.26 Oo || colle [1 | 0.240 | 0310 | 610 | 7.87 | BI eA ' e_| 0.100 ~ 254 [| - B - ag eA | 0300 | ~ 7.62 - ~+ eB eB, - [ 0400} - | 1016 Lj} 0.115 | 0.150 | 292 | 3.81 . INCHES | MILLIMETERS Plastic DIP PKG.| om PINS WIN | MAX | MIN | MAX PLASTIC P [Dd | 8 {0.348 [0.390] 8.84 | 9.91 DUAL-IN-LINE P D 14 | 0.735 | 0.765 | 18.67 | 19.43 P| D | 16 [0.745 [0.765 | 18.92 | 19.43 PACKAGE P| oD | 18 Jo.8es [0.915 [22.48 | 23.24 | (6.300 in.) P [oD] a 015 | 1.045 | 25.78 | 26.54 | N | D_| 24 | 4.14 | 4.265 | 28.96 | 32.13 2141-00434 pin INCHES MILLIMETERS MIN [| max | MIN [ MAX <_ p _ | A | 0.093 | 0.104 | 2.35 | 2.65 1 Ai | 0.004 | 0.012 | 0140 | 030 or-8 | B | 0.014 | 0019 | 035 | 0.49 ay A 1 $ c | o0os | 0013 | 023 | 032 I T wi E | 0.291 | 0299 | 7.40 | 7.60 ele |= | ~-B A, Locesn.J {i 0.050 1.27 Cc Le 0.394 | 0.419 | 10.00 | 10.65 7 0.016 | 0.050 | 0.40 | 1.27 INCHES [MILLIMETERS | . DIM PINS MIN | MAX | MIN | MAX BH Wide SO D | 16 | 0.398 | 0.413 | 10.10 | 10.50 | SMALL-OUTLINE D | 18 | 0.447 [0.463 141.85 [11.75 WY ' PACKAGE D a 0.496 [0.512 13.00 . D | 24 [0.598 | 0.614 _ (0.300 in.) D | 28 | 0.697 [0.713 | 17.70 | 18.10 21-0042A wm cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are m reserves the right ta change the circuttry and specifications without notice at any time 4 Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 1995 Maxim Integrated Products Printed USA MAXIM js a registered trademark of Maxim Integrated Products