MAX4074MAX4078 19-1526 Rev 1 10/99 Micropower, SOT23, Rail-to-Rail, Fixed-Gain, GainAmp/Open-Loop Op Amps General Description Features The MAX4074MAX4078 GainAmp op amp family Internal Gain-Setting Resistors in SOT23 combines low-cost Rail-to-Rail op amps with precision Packages (MAX4074) internal gain-setting resistors. Factory-trimmed on-chip 0.1% Gain Accuracy (R /R ) (MAX4074/75) F G resistors decrease design size, cost, and layout, and provide 0.1% gain accuracy. Fixed inverting gains from 54 Standard Gains Available (MAX4074/75) -0.25V/V to -100V/V or noninverting gains from +1.25V/V Open-Loop, Unity-Gain-Stable Op Amps to +101V/V are available. These devices operate from a single +2.5V to +5.5V supply and consume just 34A. (MAX4076/77/78) GainAmp amplifiers are optimally compensated for each Rail-to-Rail Outputs Drive 1k Load (MAX4074/75) gain version, achieving gain bandwidth (GBW) products +2.5V to +5.5V Single Supply up to 4MHz (A = +25V/V to +101V/V). High-voltage V fault protection withstands 17V at either input without 34A Supply Current (MAX4074/75) damage or excessive current draw (MAX4074/MAX4075 only). Up to 4MHz GBW Product Two versions are available in this amplifier family. The Fault-Protected Inputs Withstand 17V MAX4076/MAX4077/MAX4078 are single/dual/quad (MAX4074/75) open-loop, unity-gain-stable op amps, and the 200pA max Input Bias Current (MAX4076/77/78) MAX4074/MAX4075 are single/dual fixed-gain op amps. The input common-mode voltage range of the Stable with Capacitive Loads up to 100pF open-loop amplifiers extends from 150mV below the with No Isolation Resistor negative supply to within 1.2V of the positive supply. The GainAmp outputs can swing rail-to-rail and drive a Ordering Information 1k load while maintaining excellent DC accuracy (MAX4074/MAX4075 only). The amplifiers are stable for PIN- TOP PART TEMP. RANGE capacitive loads up to 100pF. PACKAGE MARK For space-critical applications, the MAX4074/MAX4076 MAX4074 EUK-T -40C to +70C 5 SOT23-5 ** are available in space-saving SOT23-5 packages. MAX4074 ESA -40C to +70C 8 SO Applications Ordering Information continued at end of data sheet. Note: Insert the desired gain code in the blank to complete the Portable Battery-Powered Equipment part number (see the Gain Selector Guide). Instruments, Terminals, and Bar-Code Readers **See the Gain Selector Guide for a list of preferred gains and top marks. Keyless Entry Photodiode Preamps Smart-Card Readers Pin Configurations/ Infrared Receivers for Remote Controls Functional Diagrams Low-Side Current-Sense Amplifiers TOP VIEW MAX4074 OUT 1 5 V CC R F V 2 EE Gain Selector Guide appears at end of data sheet. R G Typical Operating Circuit appears at end of data sheet. 3 4 IN- IN+ P. SOT23-5 GainAmp is a trademark of Maxim Integrated Products. Pin Configurations continued at end of data sheet. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. Maxim Integrated Products 1 For free samples & the latest literature: Micropower, SOT23, Rail-to-Rail, Fixed-Gain, GainAmp/Open-Loop Op Amps ABSOLUTE MAXIMUM RATINGS Supply Voltages (V to V ) ..................................-0.3V to +6V 8-Pin MAX (derate 4.1mW/C above +70C) ..............330mW CC EE Voltage Inputs (IN ) 8-Pin SO (derate 5.88mW/C above +70C).................471mW MAX4076/MAX4077/MAX4078 .....(V + 0.3V) to (V - 0.3V) 14-Pin SO (derate 8.33mW/C above +70C)...............667mW CC EE MAX4074/MAX4075..........................................................17V Operating Temperature Range ...........................-40C to +85C Output Short-Circuit Duration to Either Supply (OUT ) Continuous Junction Temperature......................................................+150C Continuous Power Dissipation (T = +70C) Storage Temperature Range .............................-65C to +150C A 5-Pin SOT23 (derate 7.1mW/C above +70C) ............571mW Lead Temperature (soldering, 10sec) .............................+300C 14-Pin TSSOP (derate 6.3mW/C above +70C) ..........500mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICSMAX4074/MAX4075 (V = +2.5V to +5.5V, V = 0, V = V = V /2, R = to V /2, T = T to T , unless otherwise noted. Typical values CC EE IN+ IN- CC L CC A MIN MAX are at V = +5V and T = +25C.) (Note 1) CC A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Supply Voltage Range V Guaranteed by PSRR test 2.5 5.5 V CC V = 5V 37 55 CC Supply Current (per amplifier) I A CC V = 3V 34 50 CC Input Offset Voltage V R = 1M 0.2 3.5 mV OS L Input Offset Voltage Drift 0.3 V/C Input Bias Current (Note 2) I 0.8 1000 pA IN+ A < +25V/V 300 V Inverting Input Resistance R k IN A +25V/V 80 V Noninverting Input Resistance R 1000 M IN + V-V - EE CC Positive Input Voltage Range IN + Guaranteed by functional test (Note 3) V 0.15 1.2 Negative Input Voltage Range IN - Guaranteed by functional test (Note 3) 15 V Power-Supply Rejection Ratio PSRR V = 2.5V to 5.5V 70 96 dB CC Closed-Loop Output Impedance R 0.2 OUT Shorted to V 5 CC Output Short-Circuit Current mA Shorted to V -22 EE V - V 0.5 2.5 CC OH R = 1M L V - V 0.4 2.5 OL EE V - V 25 150 CC OH Output Voltage Swing (Note 4) mV R = 10k L V - V 11 80 OL EE V - V 300 1000 CC OH R = 1k L V - V 100 600 OL EE 2 MAX4074MAX4078