SBOS385B August   2019  – April 2021 INA597

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: G = 1/2
    6. 7.6 Electrical Characteristics: G = 2
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Basic Power-Supply and Signal Connections
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Operating Voltage
          2. 9.2.1.2.2 Offset Voltage Trim
          3. 9.2.1.2.3 Input Voltage Range
          4. 9.2.1.2.4 Capacitive Load Drive Capability
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Precision Instrumentation Amplifier
      3. 9.2.3 Low Power, High-Output Current, Precision, Difference Amplifier
      4. 9.2.4 Pseudoground Generator
      5. 9.2.5 Differential Input Data Acquisition
      6. 9.2.6 Precision Voltage-to-Current Conversion
      7. 9.2.7 Additional Applications
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

7.6 Electrical Characteristics: G = 2

at VS = ±2.25 V to ±18 V, TA = 25°C, VCM = VOUT = VS / 2, RL = 10 kΩ connected to ground, and REF pin connected to ground (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE (RTO)
VOS Input offset voltage G = 2, RTO, TA = 25°C, VS = ±2.25 V to ±3 V ,    VCM =  –1.5V ±28 ±400 µV
G = 2, RTO, TA = 25°C, VS = ±3 V to ±18 V,      VCM = VS / 2 ±28 ±400 µV
dVOS/dT Input offset voltage drift ±1.4 ±10 µV/°C
PSRR Power-supply rejection ratio VS = ±2.25 V to ±18 V ±1 ±5 µV/V
INPUT VOLTAGE
VCM Common-mode voltage VOUT = 0 V 3/2[(V–)–0.1]–0.5VREF 3/2(V+)–0.5VREF V
CMRR Common-mode rejection ratio RTO, 1.5 [(V−) – 0.1 V)] ≤ VCM ≤ 1.5 [(V+) – 3 V)] TA = 25°C 82 94 dB
TA = –40°C to +125°C 80 84 dB
RTO, 1.5 [(V+) - 1.5 V)] ≤ VCM ≤ 1.5 [(V+))] TA = 25°C 82 94 dB
TA = –40°C to +125°C 65 84 dB
INPUT IMPEDANCE
zid Differential VO = 0 V 12 kΩ
zic Common-mode 9 kΩ
GAIN
G Initial 2 V/V
GE Gain error VOUT = –10 V to +10 V, VS = ±15 V ±0.01 ±0.03 %
Gain error drift (1) ±0.25 ±0.5 ppm/°C
Gain nonlinearity VOUT = –10 V to +10 V, VS = ±15 V 1 ppm
OUTPUT
VO Output voltage swing Positive rai 130 180 mV
Negative rail 140 180 mV
ISC Short-circuit current ±65 mA
NOISE
Vn Output voltage noise f = 0.1 Hz to 10 Hz, RTO 6 μVpp
Output voltage noise density f = 1 kHz, RTO 36 nV/√Hz
FREQUENCY RESPONSE
GBW Small signal bandwidth Amplitude = –3 dB 0.8 MHz
SR Slew rate 18 V/µs
tS Settling time To 0.1% VOUT = 10-V step 1.0 µs
To 0.01% VOUT = 10-V step 1.7 µs
THD+N Total harmonic distortion + noise f = 1 kHz, VOUT = 2.8 VRMS 0.00066 %
Noise floor, RTO 80-kHz bandwidth, VOUT = 3.5 VRMS –110 dB
tDR Overload recovery time 200 ns
POWER SUPPLY
IQ Quiescent current IOUT = 0 mA TA = 25°C 1.1 1.2 mA
TA = –40°C to +125°C 1.5 mA
(1) Specified by wafer test to 95% confidence level.