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

7.7 Typical Characteristics

at TA = 25°C, VS = ±18 V, VCM = VOUT = VS / 2, RL = 10 kΩ, REF pin connected to ground, G = 1/2 (unless otherwise noted)

Table 7-1 Table of Graphs
DESCRIPTION FIGURE
Typical Distribution of Offset Voltage (RTO) G= 1/2, VS = ±2.25 V Figure 7-1
Typical Distribution of Offset Voltage (RTO) G= 2, , VS = ±2.25 V Figure 7-2
Typical Distribution of Offset Voltage (RTO) G= 1/2, , VS = ±18 V Figure 7-3
Typical Distribution of Offset Voltage (RTO) G= 2, VS = ±18 V Figure 7-4
Typical Distribution of Offset Voltage Drift (RTO) G = 1/2 Figure 7-5
Typical Distribution of Offset Voltage Drift (RTO) G = 2 Figure 7-6
Output Offset Voltage vs Temperature G = 1/2 Figure 7-7
Output Offset Voltage vs Temperature G = 2 Figure 7-8
Offset Voltage vs Common-Mode Voltage G = 1/2 Figure 7-9
Offset Voltage vs Common-Mode Voltage G = 2 Figure 7-10
Input Bias Current vs Temperature G = 1/2 and G = 2 Figure 7-11
Input Offset Current vs Temperature Figure 7-12
Input Bias Current vs Common Mode Voltage G = 1/2 Figure 7-13
Input Bias Current vs Common Mode Voltage G = 2 Figure 7-14
Typical CMRR Distribution G= 1/2, Vs = ±2.25 V Figure 7-15
Typical CMRR Distribution G = 2, Vs = ±2.25 V Figure 7-16
Typical CMRR Distribution G= 1/2, Vs = ±18 V Figure 7-17
Typical CMRR Distribution G = 2, Vs = ±18 V Figure 7-18
CMRR vs Temperature G= 1/2 Figure 7-19
CMRR vs Temperature G= 2 Figure 7-20
Common-Mode Rejection Ratio vs Frequency (RTI) G = 1/2 and 2 Figure 7-21
Maximum Output Voltage vs Frequency Figure 7-22
PSRR vs Temperature G = 1/2 Figure 7-23
PSRR vs Temperature G = 2 Figure 7-24
PSRR vs Frequency (RTI) G = 1/2 Figure 7-25
PSRR vs Frequency (RTI) G = 2 Figure 7-26
Typical Distribution of Gain Error G = 1/2, VS = ±2.25 V Figure 7-27
Typical Distribution of Gain Error G = 2, VS = ±2.25 V Figure 7-28
Gain Error vs Temperature G = 1 /2 Figure 7-29
Gain Error vs Temperature G = 2 Figure 7-30
Closed-Loop Gain vs Frequency G = 1/2 Figure 7-31
Closed-Loop Gain vs Frequency G = 2 Figure 7-32
Voltage Noise Spectral Density vs Frequency (RTI) G = 1/2 Figure 7-33
Voltage Noise Spectral Density vs Frequency (RTI) G = 2 Figure 7-34
0.1-Hz to 10-Hz RTI Voltage Noise G = 1/2 Figure 7-35
0.1-Hz to 10-Hz RTI Voltage Noise G = 2 Figure 7-36
Integrated Output Voltage Noise vs Noise Bandwidth G = 1/2 Figure 7-37
Integrated Output Voltage Noise vs Noise Bandwidth G = 2 Figure 7-38
Positive Output Voltage vs Output Current (sourcing) G = 1/2 Figure 7-39
Positive Output Voltage vs Output Current (sourcing) G = 2 Figure 7-40
Negative Output Voltage vs Output Current (sinking) G = 1/2 Figure 7-41
Negative Output Voltage vs Output Current (sinking) G = 2 Figure 7-42
Settling Time G = 1/2 Figure 7-43
Settling Time G = 2 Figure 7-44
Large Signal Step Response G = 1/2 Figure 7-45
Large Signal Step Response G =2 Figure 7-46
Slew Rate over Temperature Figure 7-47
Overload Recovery (Normalized to 0V) Figure 7-48
Small-Signal Overshoot vs Capacitive Load G = 1/2 Figure 7-49
Small-Signal Overshoot vs Capacitive Load G = 2 Figure 7-50
Small-Signal Step Response G = 1/2 Figure 7-51
Small-Signal Step Response G = 2 Figure 7-52
THD+N vs Frequency G = 1/2 Figure 7-53
THD+N vs Frequency G = 2 Figure 7-54
THD+N Ratio vs Output Amplitude G = 1/2 Figure 7-55
THD+N Ratio vs Output Amplitude G = 2 Figure 7-56
Supply Current vs Temperature G = 1/2 Figure 7-57
Supply Current vs Temperature G = 2 Figure 7-58
Supply Current vs Supply Voltage G = 1/2 Figure 7-59
Supply Current vs Supply Voltage G = 2 Figure 7-60
Short Circuit Current vs Temperature G = 1/2 Figure 7-61
Short Circuit Current vs Temperature G = 2 Figure 7-62
Differential-Mode EMI Rejection Ratio G = 1/2 Figure 7-63
Differential-Mode EMI Rejection Ratio G = 2 Figure 7-64
Common-Mode EMI Rejection Ratio G = 1/2 Figure 7-65
Common-Mode EMI Rejection Ratio G = 2 Figure 7-66
Input Common-Mode Voltage vs Output Voltage G = 1/2, Bipolar Supply Figure 7-67
Input Common-Mode Voltage vs Output Voltage G= 2, Bipolar Supply Figure 7-68
Input Common-Mode Voltage vs Output Voltage G = 1/2, 5-V Supply Figure 7-69
Input Common-Mode Voltage vs Output Voltage G = 2, 5-V Supply Figure 7-70
Input Common-Mode Voltage vs Output Voltage G = 1/2, 36-V Supply Figure 7-71
Input Common-Mode Voltage vs Output Voltage G = 2, 36-V Supply Figure 7-72
Closed-Loop Output Impedance vs Frequency Figure 7-73
GUID-F3BF312C-8F0E-457D-9238-6CDB0C89AC08-low.gif
N = 470 Mean = 0.82 μV Std. Dev. = 2.91 μV
G = 1/2 VS = ±2.25 V VCM = –3 V
Figure 7-1 Typical Distribution of Offset Voltage (RTO)
GUID-75298C78-3366-4030-8DD5-5A859E081888-low.gif
N = 470 Mean = –5.22 μV Std. Dev. = 8.38 μV
G = 1/2
Figure 7-3 Typical Distribution of Offset Voltage (RTO)
GUID-91D19334-32CC-4687-8EEE-6A6D5F43645B-low.gif
N = 30 Mean = –0.075 μV/°C Std. Dev. = 0.502 μV/°C
G = 1/2
Figure 7-5 Typical Distribution of Offset Voltage Drift (RTO)
GUID-2ADD4124-E109-40C7-9136-9E707165C804-low.gif
G = 1/2 30 units
Figure 7-7 Output Offset Voltage vs Temperature
GUID-711817E9-58FA-4729-B3DA-2335554D7045-low.gif
G = 1/2 12 units
Figure 7-9 Offset Voltage vs Common-Mode Voltage
GUID-F88E95BC-4ECD-45A1-9DBF-45B55A73A559-low.gifFigure 7-11 Input Bias Current vs Temperature
GUID-C0071B4D-032E-4250-AA4D-F459262B2453-low.gif
G = 1/2
Figure 7-13 Input Bias Current vs Common-Mode Voltage
GUID-0F28040D-538C-4D49-B020-82113E80F051-low.gif
N = 470 Mean = 6.01 μV/V Std. Dev. = 4.85 μV/V
G = 1/2 VS = ±2.25 V
Figure 7-15 Typical CMRR Distribution
GUID-2D3BA723-7059-40F1-8B9A-B9A72CE75ED6-low.gif
N = 470 Mean = 4.86 μV/V Std. Dev. = 4.75 μV/V
G = 1/2
Figure 7-17 Typical CMRR Distribution
GUID-D282DE3D-3B52-4AB2-9AC8-D20B54A6F4CE-low.gif
G = 1/2 24 units
Figure 7-19 CMRR vs Temperature
GUID-A826612A-7B01-4046-B0AA-C7F21A9CA278-low.gif
G = 1/2 and G = 2
Figure 7-21 Common-Mode Rejection Ratio vs Frequency, Referred-to-Input
GUID-3A9F814A-36C4-48D9-89E0-46419E21148E-low.gif
G = 1/2 24 units
Figure 7-23 PSRR vs Temperature
GUID-90F98166-59D4-4325-B534-21F089A6337F-low.gif
G = 1/2
Figure 7-25 PSRR vs Frequency (RTI)
GUID-9A780DF6-DC59-4777-B126-3874C7A3365B-low.gif
N = 470 Mean = 0.0085% Std. Dev. = 0.0014%
G = 1/2
Figure 7-27 Typical Distribution of Gain Error
GUID-14CC54FB-DDE6-4B5D-A938-2958CB14DA0A-low.gif
G = 1 /2 30 units
Figure 7-29 Gain Error vs Temperature
GUID-20BB40B0-E13F-4C89-A81D-B027A244CA4B-low.gif
G = 1/2
Figure 7-31 Closed-Loop Gain vs Frequency
GUID-06FA26FA-F100-4842-9F58-66A50345906A-low.gif
G = 1/2
Figure 7-33 Voltage Noise Spectral Density vs Frequency (RTI)
GUID-B78D304A-7BE2-4860-887C-7B7CFE813998-low.gif
G = 1/2
Figure 7-35 0.1-Hz to 10-Hz RTI Voltage Noise
GUID-2140432C-9E9E-4C95-91A3-C1DAE3D62376-low.gif
G = 1/2
Figure 7-37 Integrated Output Voltage Noise vs Noise Bandwidth
GUID-6CB49E30-983F-4D69-952B-C519AF779881-low.gif
G = 1/2
Figure 7-39 Positive Output Voltage vs Output Current (Sourcing)
GUID-EE748B76-4C27-41C4-BCB6-A0DD7E90DF0A-low.gif
G = 1/2
Figure 7-41 Negative Output Voltage vs Output Current (Sinking)
GUID-64F3A48B-3F25-4ADD-BCAB-0D9E6557A517-low.gif
G = 1/2
Figure 7-43 Settling Time
GUID-E9CBF161-0956-455F-BD36-DB892D3E7951-low.gif
 
G = 1/2
Figure 7-45 Large-Signal Step Response
GUID-ABB003BB-735D-4B81-BF0C-A4C626654085-low.gif
 
Figure 7-47 Slew Rate Over Temperature
GUID-63E4ADF3-8A9B-49C1-AF15-72AC9FAAA085-low.gif
G = 1/2
Figure 7-49 Small-Signal Overshoot vs Capacitive Load
GUID-A4CE9331-4B80-4421-BF83-B49F15D636CA-low.gif
G = 1/2
Figure 7-51 Small-Signal Step Response
GUID-34989F1E-1D13-49EC-8070-898D14240BA1-low.gif
G = 1/2 VOUT = 3.5 VRMS
Figure 7-53 THD+N vs Frequency
GUID-15D89BE1-F22F-489B-9AEA-D04A9BFC0C03-low.gif
G = 1/2
Figure 7-55 THD+N Ratio vs Output Amplitude
GUID-75F542D1-C505-4E74-BAE9-76AB3B431D27-low.gif
G = 1/2 30 units
Figure 7-57 Supply Current vs Temperature
GUID-F13AD3E2-2AA5-415D-A2B1-6D652C2664D6-low.gif
G = 1/2 30 units
Figure 7-59 Supply Current vs Supply Voltage
GUID-7B7B593C-9FC4-4D09-95A4-6A394A398C4B-low.gif
G = 1/2 30 units
Figure 7-61 Short Circuit Current vs Temperature
GUID-E399D456-E521-4BCC-8DA8-207A56FB36E8-low.gif
G = 1/2
Figure 7-63 Differential-Mode EMI Rejection Ratio
GUID-99807A0B-4197-407E-8A58-CAE7322E447E-low.gif
G = 1/2
Figure 7-65 Common-Mode EMI Rejection Ratio
GUID-A5AEB329-97CB-412D-8804-BA7B0BBCB51C-low.gif
G = 1/2 Bipolar supply VREF = 0 V
Figure 7-67 Input Common-Mode Voltage vs Output Voltage
GUID-40DC0282-E208-4462-B4C7-8FADACA56010-low.gif
G = 1/2 5-V supply VREF = 0 V
Figure 7-69 Input Common-Mode Voltage vs Output Voltage
GUID-AF371F14-9E36-4996-991A-6F41A5BA1931-low.gif
G = 1/2 36-V supply VREF = 0 V
Figure 7-71 Input Common-Mode Voltage vs Output Voltage
GUID-B00D6086-25D2-4BFB-A7A9-9DBA5E4BEA07-low.gifFigure 7-73 Closed-Loop Output Impedance vs Frequency
GUID-9C8056F4-1922-4DCC-8EC3-AB8BD5DC4F08-low.gif
N = 470 Mean = 1.64 μV Std. Dev. = 5.82 μV
G = 2 VS = ±2.25 V VCM = –3 V
Figure 7-2 Typical Distribution of Offset Voltage (RTO)
GUID-EA6F341B-156B-470B-B864-B0444541407B-low.gif
N = 470 Mean = –10.43 μV Std. Dev. = 16.77 μV
G = 2
Figure 7-4 Typical Distribution of Offset Voltage (RTO)
GUID-E92BB49A-7614-4068-B1E5-A9A2CE9916A1-low.gif
N = 30 Mean = –0.325 μV/°C Std. Dev. = 0.887 μV/°C
G = 2
Figure 7-6 Typical Distribution of Offset Voltage Drift (RTO)
GUID-EDE08ECB-CADF-4E2A-8F36-B6F33D377FCC-low.gif
G = 2 30 units
Figure 7-8 Output Offset Voltage vs Temperature
GUID-7EAC563B-EF96-4DE2-BFBF-92F1A7E1799A-low.gif
G = 2 12 units
Figure 7-10 Offset Voltage vs Common-Mode Voltage
GUID-C844C91E-452F-4473-82B9-771D944A4175-low.gifFigure 7-12 Input Offset Current vs Temperature
GUID-01804972-68CD-4DD8-BA56-07AD75EFB2B2-low.gif
G = 2
Figure 7-14 Input Bias Current vs Common-Mode Voltage
GUID-5B710DDB-CB85-4F45-B9BB-EE2596C90004-low.gif
N = 470 Mean = –6.22 μV/V Std. Dev. = 10.74 μV/V
G= 2 VS = ±2.25 V
Figure 7-16 Typical CMRR Distribution
GUID-5DBD5EA6-1DDA-4011-BB80-BEEA910A10C8-low.gif
N = 470 Mean = –8.64 μV/V Std. Dev. = 9.70 μV/V
G = 2
Figure 7-18 Typical CMRR Distribution
GUID-70C0DA81-116F-45B7-9DA9-CE8F449D56AC-low.gif
G = 2 24 units
Figure 7-20 CMRR vs Temperature
GUID-A04E53F2-AFE8-4381-A29A-BB8272A8B7D1-low.gif
 
Figure 7-22 Maximum Output Voltage vs Frequency
GUID-7B3CE656-2916-43C3-8FDB-1B31431F8F97-low.gif
G = 2 24 units
Figure 7-24 PSRR vs Temperature
GUID-A1AE3F7E-10D5-40B0-AE30-AC086494108E-low.gif
G = 2
Figure 7-26 PSRR vs Frequency (RTI)
GUID-5E31479E-46E4-41B4-86E4-55973AF5CD0F-low.gif
N = 470 Mean = –0.0076% Std. Dev. = 0.0015%
G = 2
Figure 7-28 Typical Distribution of Gain Error
GUID-EBEA3CF8-A5F4-4E1C-9560-A2DD1817A5AC-low.gif
G = 2 30 units
Figure 7-30 Gain Error vs Temperature
GUID-9005437D-A86C-4B3B-8988-B333E4AD564E-low.gif
G = 2
Figure 7-32 Closed-Loop Gain vs Frequency
GUID-5B1ADDB8-0B97-4DC6-ACC2-3A10766C1B94-low.gif
G = 2
Figure 7-34 Voltage Noise Spectral Density vs Frequency (RTI)
GUID-D6D89BF5-0F55-491C-A1A2-7849887D026D-low.gif
G = 2
Figure 7-36 0.1-Hz to 10-Hz RTI Voltage Noise
GUID-86BF7986-2214-4E84-89FD-C798A02AC2CF-low.gif
G = 2
Figure 7-38 Integrated Output Voltage Noise vs Noise Bandwidth
GUID-AFA7E524-B1C7-4602-BD29-2A22BB7D485E-low.gif
G = 2
Figure 7-40 Positive Output Voltage vs Output Current (Sourcing)
GUID-8F773053-87C7-41F3-A907-5CEFCF9857D6-low.gif
G = 2
Figure 7-42 Negative Output Voltage vs Output Current (Sinking)
GUID-FC0FA6BE-8969-46D6-B9E5-078C828E7282-low.gif
G = 2
Figure 7-44 Settling Time
GUID-5B602DA6-2B62-4DF9-8A95-FD996C309DCD-low.gif
G = 2
Figure 7-46 Large-Signal Step Response
GUID-5FA9F4DA-8FEC-4200-B7CE-1CD02F33D32D-low.gif
 
Figure 7-48 Overload Recovery (Normalized to 0 V)
GUID-63E4ADF3-8A9B-49C1-AF15-72AC9FAAA085-low.gif
G = 2
Figure 7-50 Small-Signal Overshoot vs Capacitive Load
GUID-5EE95F21-26ED-4420-A48C-EBE0A5A059FD-low.gif
G = 2
Figure 7-52 Small-Signal Step Response
GUID-941BC8AD-94BE-4F90-A64C-7F2AD8DE5333-low.gif
G = 2 VOUT = 3.5 VRMS
Figure 7-54 THD+N vs Frequency
GUID-72983CFB-7BDD-4707-B2F5-5F03F8C36C23-low.gif
G = 2
Figure 7-56 THD+N Ratio vs Output Amplitude
GUID-53FCEF36-DD69-4C92-8DAC-CE91B741CB29-low.gif
G = 2 30 units
Figure 7-58 Supply Current vs Temperature
GUID-96F3DE21-9D82-43D2-81A6-2F49D5B87768-low.gif
G = 2 30 units
Figure 7-60 Supply Current vs Supply Voltage
GUID-1996DA79-6950-4C2C-9F87-44A64481AE7A-low.gif
G = 2 30 units
Figure 7-62 Short Circuit Current vs Temperature
GUID-C7B150EA-0A73-4BD3-B05F-0341333004B0-low.gif
G = 2
Figure 7-64 Differential-Mode EMI Rejection Ratio
GUID-69F504B3-96D0-4B40-94D4-2534720C0915-low.gif
G = 2
Figure 7-66 Common-Mode EMI Rejection Ratio
GUID-C52E0001-56FF-450E-A1E8-1E6C842F26C4-low.gif
G = 2 Bipolar supply VREF = 0 V
Figure 7-68 Input Common-Mode Voltage vs Output Voltage
GUID-65982F98-7DC4-41D3-8E66-446B9BFEF6B7-low.gif
G = 2 5-V supply VREF = 0 V
Figure 7-70 Input Common-Mode Voltage vs Output Voltage
GUID-4C488A24-347B-4A84-B8FB-4D5D8EFF1B53-low.gif
G = 2 36-V supply VREF = 0 V
Figure 7-72 Input Common-Mode Voltage vs Output Voltage