ZHCSQ83A March   2022  – October 2022 INA851

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Related Products
  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
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Adjustable Gain Setting
        1. 8.3.1.1 Gain Drift
      2. 8.3.2 Offset Voltage
      3. 8.3.3 Input Common-Mode Range
      4. 8.3.4 Input Protection
      5. 8.3.5 Output Clamping
      6. 8.3.6 Low Noise
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Output Common-Mode Pin
      2. 9.1.2 Output-Stage Gain Selection and Noise-Gain Shaping
      3. 9.1.3 Input Bias Current Return Path
      4. 9.1.4 Thermal Effects due to Power Dissipation
    2. 9.2 Typical Applications
      1. 9.2.1 Three-Pin Programmable Logic Controller (PLC)
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 应用曲线
      2. 9.2.2 20-Bit, 1-MSPS ADS8900B Driver Circuit With FDA Noise Filter
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Application Curves
      3. 9.2.3 24-Bit, 200 kSPS, Delta-Sigma ADS127L11 ADC Driver Circuit With FDA Noise Filter
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 PSpice® for TI
        2. 10.1.1.2 TINA-TI™ Simulation Software (Free Download)
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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订购信息

7.6 Typical Characteristics

at TA = 25°C, VS = ±15 V, VICM = VOCM = midsupply, VCLAMP+ = VS+, VCLAMP– = VS–, G = GIN = GOUT = 1 V/V, and RL = 10 kΩ (unless otherwise noted)

Table 7-1 Table of Graphs
DESCRIPTION FIGURE
Typical Distribution of Input Stage Offset Voltage Figure 7-1
Typical Distribution of Input Stage Offset Voltage Drift Figure 7-2
Typical Distribution of Output Stage Offset Voltage, G = 1 Figure 7-3
Typical Distribution of Output Stage Offset Voltage, G = 0.2 Figure 7-4
Typical Distribution of Output Stage Offset Voltage Drift Figure 7-5
Typical Distribution of Input Offset Current Figure 7-6
Typical Distribution of Input Bias Current, TA = 25°C Figure 7-7
Typical Distribution of Input Bias Current, TA = 90°C Figure 7-8
Typical CMRR Distribution, G = 1 Figure 7-9
Typical CMRR Distribution, G = 10 Figure 7-10
Typical Distribution of Gain Error, G = 0.2 Figure 7-11
Typical Distribution of Gain Error, G = 1 Figure 7-12
Typical Distribution of Gain Error, G = 10 Figure 7-13
Input Stage Offset Voltage vs Temperature Figure 7-14
Input Bias Current vs Temperature Figure 7-15
Input Offset Current vs Temperature Figure 7-16
Input-Referred Output Offset Voltage vs Temperature Figure 7-17
CMRR vs Temperature, G = 1 Figure 7-18
CMRR vs Temperature, G = 10 Figure 7-19
CMRR vs Frequency (RTI) Figure 7-20
CMRR vs Frequency (RTI, 1-kΩ source imbalance) Figure 7-21
Positive/Negative PSRR vs Frequency (RTI) Figure 7-22
PSRR vs Frequency of VCLAMP+ (RTI) Figure 7-23
Gain vs Frequency Figure 7-24
Voltage Noise Spectral Density vs Frequency (RTI) Figure 7-25
Current Noise Spectral Density vs Frequency (RTI) Figure 7-26
0.1-Hz to 10-Hz RTI Voltage Noise, G = 0.2 Figure 7-27
0.1-Hz to 10-Hz RTI Voltage Noise, G = 1 Figure 7-28
0.1-Hz to 10-Hz RTI Voltage Noise, G = 1000 Figure 7-29
Positive Input Bias Current vs Common-Mode Voltage Figure 7-30
Negative Input Bias Current vs Common-Mode Voltage Figure 7-31
Gain Error vs Temperature Figure 7-32
Quiescent Current vs Temperature Figure 7-33
Gain Nonlinearity, G = 1 Figure 7-34
Gain Nonlinearity, G = 10 Figure 7-35
Offset Voltage vs Negative Common-Mode Voltage Figure 7-36
Offset Voltage vs Positive Common-Mode Voltage Figure 7-37
Positive Output Voltage Swing vs Output Current Figure 7-38
Negative Output Voltage Swing vs Output Current Figure 7-39
Claw Curve of VCLAMP+ Figure 7-40
Short Circuit Current vs Temperature Figure 7-41
Large-Signal Frequency Response Figure 7-42
THD+N vs Frequency Figure 7-43
Overshoot vs Capacitive Loads Figure 7-44
Small-Signal Response with different Output Capacitors G = 1 V/V Figure 7-45
Small-Signal Response, G = 0.2 Figure 7-46
Small-Signal Response, G = 1 Figure 7-47
Small-Signal Response, G = 10 Figure 7-48
Small-Signal Response, G = 1000 Figure 7-49
Small-Signal Response of VOCM Amplifier Figure 7-50
Large Signal Step Response Figure 7-51
Closed-Loop Output Impedance Figure 7-52
Settling Time for G = 0.2 Figure 7-53
Settling Time for G = 1 Figure 7-54
Offset Warm-up for G = 1 Figure 7-55
Offset Warm-up for G = 100 Figure 7-56
N = 150 Mean = –2.32 µV Std. Dev. = 6.73 µV
Figure 7-1 Typical Distribution of
Input Stage Offset Voltage
N = 150 Mean = –27.84 µV Std. Dev. = 82.71 µV
G = 1 V/V
Figure 7-3 Typical Distribution of Output Offset Voltage
N = 82 Mean = –4.98 µV/°C Std. Dev. = 1.59 µV/°C
Figure 7-5 Typical Distribution of Output Stage Offset Voltage Drift
N = 107 Mean = –2.34 nA Std. Dev. = 0.78 nA
TA = 25°C
Figure 7-7 Typical Distribution of Input Bias Current
N = 150 Mean = –4.78 µV/V Std. Dev. = 8.67 µV/V
G = 1 V/V
Figure 7-9 Typical CMRR Distribution at G = 1 V/V
N = 293 Mean = –0.017% Std. Dev. = 0.005%
Figure 7-11 Typical Gain Error Distribution at G = 0.2 V/V
N = 297 Mean = –0.0048 % Std. Dev. = 0.0136%
G = 10 V/V
Figure 7-13 Typical Gain Error Distribution at G = 10 V/V
N = 54
Figure 7-15 Input Bias Current vs Temperature
N = 50
Figure 7-17 Input-Referred Output Offset Voltage vs Temperature
G = 10
Figure 7-19 CMRR vs Temperature
GUID-20221006-SS0I-BPNW-9XFS-HS19HRBGBJZS-low.png
1-kΩ source imbalance
Figure 7-21 CMRR vs Frequency (RTI) Imbalance
 
Figure 7-23 PSRR vs Frequency (RTI) of VCLAMP+
eN(RTI) = √[eNI2 + (eNO(G0.2 or G1) / GIN)2]
Figure 7-25 Voltage Noise Spectral Density vs Frequency (RTI)
G = 0.2 V/V
Figure 7-27 0.1-Hz to 10-Hz RTI Voltage Noise
G = 1000 V/V
Figure 7-29 0.1-Hz to 10-Hz RTI Voltage Noise
 
Figure 7-31 Negative Input Bias Current vs Common‑Mode Voltage
 
Figure 7-33 Quiescent Current vs Temperature
G = 10
Figure 7-35 Gain Nonlinearity, G = 10
 
Figure 7-37 Offset Voltage vs Positive Common-Mode Voltage
 
Figure 7-39 Negative Output Voltage Swing vs Output Current
 
Figure 7-41 Short Circuit Current vs Temperature
GUID-3C866EF7-C690-45D8-A5B9-CD444439C6DC-low.gif
500-kHz measurement bandwidth
1-VRMS output voltage 100-kΩ load
Figure 7-43 THD+N vs Frequency
G = 1 RL = 10 kΩ
Figure 7-45 Small-Signal Response with different Output Capacitors G = 1 V/V
G = 1 V/V RL = 10 kΩ CL = 100 pF
Figure 7-47 Small-Signal Response for G = 1 V/V
G = 1000 V/V RL = 10 kΩ CL = 100 pF
Figure 7-49 Small-Signal Response for G = 1000 V/V
 
Figure 7-51 Large Signal Step Response
G = 0.2 V/V
Figure 7-53 Settling Time for G = 0.2 V/V
G = 1 V/V
Figure 7-55 Offset Warm-up for G = 1 V/V
N = 82 Mean = 0.062 µV/°C Std. Dev. = 0.0738 µV/°C
Figure 7-2 Typical Distribution of Input Stage Offset Voltage Drift
N = 150 Mean = –97.17 μV Std. Dev. = 179.33 μV
G = 0.2 V/V
Figure 7-4 Typical Distribution of Output Offset Voltage
N = 53 Mean = –0.14 nA Std. Dev. = 0.50 nA
Figure 7-6 Typical Distribution of
Input Offset Current
N = 107 Mean = –2.2 nA Std. Dev. = 0.75 nA
TA = 90°C
Figure 7-8 Typical Distribution of Input Bias Current
N = 300 Mean = –0.62 µV/V Std. Dev. = 1.03 µV/V
G = 10 V/V
Figure 7-10 Typical CMRR Distribution at G = 10 V/V
N = 293 Mean = –0.0037% Std. Dev. = 0.0011%
G = 1 V/V
Figure 7-12 Typical Gain Error Distribution at G = 1 V/V
N = 52
 
Figure 7-14 Input Stage Offset Voltage vs Temperature
N = 54
Figure 7-16 Input Offset Current vs Temperature
 
Figure 7-18 CMRR vs Temperature
 
Figure 7-20 CMRR vs Frequency (RTI)
 
Figure 7-22 PSRR vs Frequency (RTI)
 
Figure 7-24 Gain vs Frequency
G = 1000 V/V 
Figure 7-26 Current Noise Spectral Density vs Frequency (RTI)
G = 1 V/V
Figure 7-28 0.1-Hz to 10-Hz RTI Voltage Noise
 
Figure 7-30 Positive Input Bias Current vs Common‑Mode Voltage
 
Figure 7-32 Gain Error vs Temperature
G = 1
Figure 7-34 Gain Nonlinearity, G = 1
 
Figure 7-36 Offset Voltage vs Negative Common-Mode Voltage
 
Figure 7-38 Positive Output Voltage Swing vs Output Current
 
Figure 7-40 Claw Curve of VCLAMP+/-
 
Figure 7-42 Large-Signal Frequency Response
 
Figure 7-44 Overshoot vs Capacitive Loads
G = 0.2 V/V RL = 10 kΩ CL = 100 pF
Figure 7-46 Small-Signal Response for G = 0.2 V/V
G = 10 V/V RL = 10 kΩ CL = 100 pF
Figure 7-48 Small-Signal Response for G = 10 V/V
 
Figure 7-50 Small-Signal Response of VOCM Amplifier
 
Figure 7-52 Closed-Loop Output Impedance
G = 1 V/V
Figure 7-54 Settling Time for G = 1 V/V
G = 100 V/V
Figure 7-56 Offset Warm-up for G = 100 V/V
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