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Part: MAX4199EUA
Category:
Analog & Mixed-Signal Processing
Description: MAX4198, MAX4199 Micropower, Single-Supply, Rail-to-rail Precision Differential Amplifiers
Company: Maxim Integrated Products
Datasheet: Download MAX4199EUA datasheet File size : 560 kB
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19-1445; Rev 0; 4/99
Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers
General Description
The MAX4198/MAX4199 low-power, differential amplifiers are ideal for single-supply applications that benefit from a low 0.01% gain error. The MAX4198 is factory trimmed to a fixed gain of +1V/V, and the MAX4199 is trimmed to a fixed gain of +10V/V. Capable of operating from a single +2.7V to +7.5V supply or from dual ±1.35V to ±3.75V supplies, they consume only 42µA while achieving -3dB bandwidths of 175kHz (MAX4198) and 45kHz (MAX4199). These amplifiers feature a shutdown mode that reduces the supply current to 6.5µA. The MAX4198/MAX4199 can drive 5k loads to within 100mV from each rail. The standard differential amplifier configurations provide common-mode rejection of 90dB for the MAX4198 and 110dB for the MAX4199. T h e input common-mode voltage range for the MAX4198 extends 100mV Beyond-the-RailsTM. The MAX4198/MAX4199 are offered in a space-saving 8-pin µMAX package. For complete micropower, rail-tor a i l instrumentation amplifiers, see the MAX4194 MAX4197 data sheet. Rail-to-Rail® o Low 0.01% Gain Error o High Common-Mode Rejection: 110dB (MAX4199) o 10µV Input Offset Voltage (MAX4199) 30µV Input Offset Voltage (MAX4198) o +2.7V to +7.5V Single-Supply Operation o 42µA Supply Current o 175kHz (MAX4198) and 45kHz (MAX4199) -3dB Bandwidth o 6.5µA Shutdown Current o Rail-to-Rail Outputs Drive 5k Loads o Input Voltage Range Extends 100mV Beyond-theRails (MAX4198) o Available in Space-Saving 8-Pin µMAX Package
Features
MAX4198/MAX4199
Ordering Information
PART MAX4198EUA MAX4198ESA MAX4199EUA MAX4199ESA TEMP. RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PINPACKAGE 8 µMAX 8 SO 8 µMAX 8 SO GAIN (V/V) 1 1 10 10
Applications
Instrumentation Amplifier Building Block Differential Voltage Amplifiers Data-Acquisition Systems Portable/Battery-Powered Equipment Transducer Interface Current-Sense Amplifiers
Pin Configuration
TOP VIEW
7 VCC
Functional Diagram
IN- 2 25k 25k (250k)
5 FB 6 OUT 25k 25k (250k) 1 4 VEE
REF 1 IN- 2 IN+ 3
8 7
SHDN VCC OUT FB
MAX4198 MAX4199
IN+ 3
MAX4198 MAX4199
6 5
REF
VEE 4
( ) ARE FOR MAX4199 ONLY.
µMAX/SO
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. Beyond-the-Rails is a trademark of Maxim Integrated Products.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468.
Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers MAX4198/MAX4199
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VCC to VEE)........+8V All Other Pins to GND ....(VEE - 0.3V) to (VCC + 0.3V) Output Short Circuit Duration (to VCC or VEE) ...Continuous Continuous Power Dissipation (TA = +70°C) SO (derate 9.09mW/°C above +70°C) ..471mW µMAX (derate 4.1mW/°C above +70°C) .....330mW Operating Temperature Range ...-40°C to +85°C Junction Temperature ......+150°C Storage Temperature Range .... -65°C to +150°C Lead Temperature (soldering, 10sec) .....+300°C
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 CHARACTERISTICS--MAX4198 (+5V Supply)
(VCC = +5V, VEE = 0V, RL = 25k tied to VCC / 2, VREF = VCC / 2, V SHDN = VCC - 1.5V, typical values are at T A = +25°C, TA = TMIN to TMAX, unless otherwise noted.) (Note 1) PARAMETER Supply Voltage Range (Note 2) SYMBOL VCC Single supply Dual supply TA = +25°C, VCM = VCC / 2 TA = TMIN to TMAX, VCM = VCC / 2 MAX4198ESA MAX4198EUA IN+ differential-mode IN- differential-mode Common-mode Input Voltage Range DC Common-Mode Rejection AC Common-Mode Rejection Power-Supply Rejection VIN CMRDC CMRAC PSR Guaranteed by CMR test VCM = VEE - 0.1V to VCC + 0.1V MAX4198ESA MAX4198EUA VEE - 0.1 74 70 90 90 90 90 115 MAX4198ESA MAX4198EUA MAX4198ESA MAX4198EUA CONDITIONS MIN 2.7 ±1.35 ±30 ±100 TYP MAX 7.5 ±3.75 ±500 ±1000 ±750 ±2300 ±5 ±20 UNITS V
Input Offset Voltage
VOS
µV
Input Offset Voltage Drift
TCO
±0.5 ±1 50 25 50
µV/°C
Input Resistance
RIN
k VCC + 0.1 V dB dB dB nVHz µVRMS V mA ±0.1 % ±0.1 ±3 ppm/°C ±6 %
Input Noise Voltage
VCM = VEE - 0.1 to VCC + 0.1V, f = 60Hz, f = 120Hz +2.7V VCC +7.5V, VCM = +1.5V, VREF = +1.5V, RL = 25k to +1.5V f = 10Hz f = 100Hz f = 10kHz f = 0.1Hz to 10Hz RL = 25k, ±10mV input overdrive
Output Voltage Swing RL = 5k, ±10mV input overdrive Short-Circuit Current Sink/source VCM = VCC / 2, TA = +25°C VEE + 0.1V VOUT VCC 0.1V RL = 25k, VEE + 0.1V VOUT VCC - 0.1V RL = 5k, VEE + 0.2V VOUT VCC - 0.2V MAX4198ESA MAX4198EUA
120 60 58 7.8 VEE + 0.1 VEE + 0.03 to to VCC - 0.1 VCC - 0.03 VEE + 0.2 VEE + 0.1 to to VCC - 0.2 VCC - 0.1 ±5.5 ±0.01 ±0.01 ±0.2 ±0.65 ±0.0003
Gain Error
Gain Temperature Coefficient Nonlinearity 2
VEE + 0.1V VOUT VCC - 0.1V
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Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers
ELECTRICAL CHARACTERISTICS--MAX4198 (+5V Supply) (continued)
(VCC = +5V, VEE = 0V, RL = 25k tied to VCC / 2, VREF = VCC / 2, V SHDN = VCC - 1.5V, typical values are at T A = +25°C, TA = TMIN to TMAX, unless otherwise noted.) (Note 1) PARAMETER Capacitive Load Stability -3dB Bandwidth Slew Rate Settling Time to 0.1% Total Harmonic Distortion Supply Current Shutdown Supply Current Input Logic Voltage High (Note 3) Input Logic Voltage Low (Note 3) SHDN Input Bias Current Enable/Disable Settling Time Power-Up Delay tON/OFF SYMBOL CL BW-3dB SR ts THD ICC ISHDN VIH VIL V S HDN = VCC - 1.5V or V SHDN = VEE V S HDN = VCC - 2.5V to VCC - 1.5V, VOUT = 3.5V, settled to within 0.1% VOUT = 3.5V, settled to within 0.1% -0.1 28 800 VOUT 0.1Vp-p, VCM = VCC / 2 VOUT = 2Vp-p step VOUT = 2Vp-p step VOUT = 2Vp-p, f = 1kHz VCM = VCC / 2, VIN+ = VINV S HDN = VIL VCC - 1.5 VCC - 2.5 0.1 CONDITIONS MIN TYP 690 175 0.07 34 0.001 45 6.5 55 12 MAX UNITS pF kHz V/µs µs % µA µA V V µA µs µs
MAX4198/MAX4199
ELECTRICAL CHARACTERISTICS--MAX4198 (+3V Supply)
(VCC = +3V, VEE = 0V, RL = 25k tied to VCC / 2, VREF = VCC / 2, V S HDN = VCC - 1.5V, typical values are at TA = +25°C, TA = TMIN to TMAX, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS TA = +25°C, VCM = VCC / 2 TA = TMIN to TMAX, VCM = VCC / 2 MAX4198ESA MAX4198EUA MAX4198ESA MAX4198EUA MIN TYP ±35 ±100 MAX ±600 ±1100 ±850 ±2400 ±5.0 ±20 VCC + 0.1 UNITS
Input Offset Voltage
VOS
µV
Input Offset Voltage Drift Input Voltage Range DC Common-Mode Rejection
TCO VIN CMRDC
MAX4198ESA MAX4198EUA Guaranteed by CMR test MAX4198ESA VCM = VEE - 0.1 to VCC + 0.1 MAX4198EUA RL = 25k, ±10mV input overdrive
±0.5 ±1.0
µV/°C V dB
Output Voltage Swing RL = 5k, ±10mV input overdrive Short-Circuit Current Gain Error Sink/source RL = 25k, VEE + 0.1V VCM = VCC / 2, VOUT VCC - 0.1V TA = +25°C RL = 5k, VEE + 0.2V VOUT VCC - 0.2V VEE + 0.1V VOUT VCC 0.1V ICC I SHDN VIH VIL MAX4198ESA MAX4198EUA
VEE - 0.1 74 90 70 90 VEE + 0.1 VEE + 0.03 to to VCC - 0.1 VCC - 0.03 VEE + 0.2 VEE + 0.1 to to VCC - 0.2 VCC - 0.1 ±4.5 ±0.01 ±0.01 ±0.2 ±0.65 42 6.5 VCC - 1.5
V
mA %
±0.1 ±0.1 ±3 ppm/°C ±6 µA µA V VCC - 2.5 V 3
Gain Temperature Coefficient Supply Current Shutdown Supply Current Input Logic High Voltage (Note 3) Input Logic Low Voltage (Note 3)
VCM = VCC / 2, VDIFF = 0
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