SBOSAD5D December   2022  – November 2024 INA351

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Comparison Table
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Gain-Setting
        1. 7.3.1.1 Gain Error and Drift
      2. 7.3.2 Input Common-Mode Voltage Range
      3. 7.3.3 EMI Rejection
      4. 7.3.4 Typical Specifications and Distributions
      5. 7.3.5 Electrical Overstress
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Reference Pin
      2. 8.1.2 Input Bias Current Return Path
    2. 8.2 Typical Applications
      1. 8.2.1 Resistive-Bridge Pressure Sensor
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 PSpice® for TI
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

at TA = 25°C, VS = (V+) – (V–) = 5.5 V, VIN = (VIN+) – (VIN–) = 0 V, RL = 10 kΩ, CL = 10 pF, VREF = VS / 2, VCM = [(VIN+) + (VIN–)] / 2 = VS / 2, VOUT = VS / 2 and G = 10 (unless otherwise noted)

INA351 Typical Distribution of Input Referred Offset Voltage
G = 10, 20, 30, 50 N = 36 μ = 23 μV σ = 0.180 mV
Figure 6-1 Typical Distribution of Input Referred Offset Voltage
INA351 Typical Distribution of Input Bias Current
TA = 25°C N = 72 μ = 0.33 pA σ = 0.43 pA
Figure 6-3 Typical Distribution of Input Bias Current
INA351 Typical Distribution of Input Bias Current
TA = 85°C N = 72 μ = 3.3 pA σ = 0.53 pA
Figure 6-5 Typical Distribution of Input Bias Current
INA351 Typical Distribution of CMRR
G = 10 N = 36 μ = -0.30 μV/V σ = 7.10 μV/V
Figure 6-7 Typical Distribution of CMRR
INA351 Typical Distribution of CMRR
G = 30 N = 36 μ = –1.23 μV/V σ = 7.52 μV/V
Figure 6-9 Typical Distribution of CMRR
INA351 Typical Distribution of Gain
                        Error
G = 10 N = 36 μ = 0.002 % σ = 0.02 %
Figure 6-11 Typical Distribution of Gain Error
INA351 Typical Distribution of Gain Error
G = 30 N = 36 μ = 0.0067 % σ = 0.011 %
Figure 6-13 Typical Distribution of Gain Error
INA351 Input
                        Referred Offset Voltage vs Temperature
G = 10, 20, 30, 50
Figure 6-15 Input Referred Offset Voltage vs Temperature
INA351 Input
                        Offset Current vs TemperatureFigure 6-17 Input Offset Current vs Temperature
INA351 Shutdown Quiescent Current vs TemperatureFigure 6-19 Shutdown Quiescent Current vs Temperature
INA351 Gain
                        Error vs TemperatureFigure 6-21 Gain Error vs Temperature
INA351 Input
                        Referred Offset Voltage vs Input Common-Mode Voltage
V+ = 2.75 V and V– = –2.75 V
Figure 6-23 Input Referred Offset Voltage vs Input Common-Mode Voltage
INA351 Input
                        Bias Current vs Input Common-Mode Voltage
V+ = 2.75 V and V– = –2.75 V
Figure 6-25 Input Bias Current vs Input Common-Mode Voltage
INA351 Quiescent Current vs Input Common-Mode Voltage
V+ = 2.75 V and V– = –2.75 V
Figure 6-27 Quiescent Current vs Input Common-Mode Voltage
INA351 Quiescent Current vs Supply Voltage
 
Figure 6-29 Quiescent Current vs Supply Voltage
INA351 Output Voltage vs Output Current (Sinking)Figure 6-31 Output Voltage vs Output Current (Sinking)
INA351 CMRR
                        (Referred to Input) vs FrequencyFigure 6-33 CMRR (Referred to Input) vs Frequency
INA351 PSRR–
                        (Referred to Input) Vs FrequencyFigure 6-35 PSRR– (Referred to Input) Vs Frequency
INA351 0.1
                        Hz to 10 Hz Voltage Noise in Time DomainFigure 6-37 0.1 Hz to 10 Hz Voltage Noise in Time Domain
INA351 Maximum Output Voltage vs FrequencyFigure 6-39 Maximum Output Voltage vs Frequency
INA351 THD + N Frequency
VS = 5.5 V BW = 80 kHz VCM = 2.75 V
RL = 100 kΩ VOUT = 1 VRMS
Figure 6-41 THD + N Frequency
INA351 Small-Signal Overshoot vs
                        Capacitive Load
VS = 5.5 V G = 10 VOUT = 100 mVPP
Figure 6-43 Small-Signal Overshoot vs Capacitive Load
INA351 Small-Signal Overshoot vs Capacitive Load
VS = 5.5 V G = 30 VOUT = 100 mVPP
Figure 6-45 Small-Signal Overshoot vs Capacitive Load
INA351 Large
                        Signal Step Response
V+ = 2.75 V V– = –2.75 V G = 10 VOUT = 2 VPP
Figure 6-47 Large Signal Step Response
INA351 Large Signal Settling Time
                        (Rising Edge)
V+ = 2.75 V V– = –2.75 V G = 10 VOUT = 2 VPP
Figure 6-49 Large Signal Settling Time (Rising Edge)
INA351 Small-Signal Step
                        Response
V+ = 2.75 V V– = –2.75 V G = 10 VOUT = 0.1 VPP
Figure 6-51 Small-Signal Step Response
INA351 Over-Load Recovery (Rising Edge)
V+ = 2.75 V V– = –2.75 V G = 10 VIN = 1 VPP
Figure 6-53 Over-Load Recovery (Rising Edge)
INA351 No
                        Phase Reversal
V+ = 2.75 V V– = –2.75 V G = 10 VIN = 0.6 VPP
Figure 6-55 No Phase Reversal
INA351 Disable Response
V+ = +2.75 V V– = –2.75 V G = 10
Figure 6-57 Disable Response
INA351 Input
                        Common-Mode Voltage vs Output Voltage (High CMRR Region)
VS = 5.5 V G = 10, 20, 30, 50 VREF = VS / 2
Figure 6-59 Input Common-Mode Voltage vs Output Voltage (High CMRR Region)
INA351 Input
                        Common-Mode Voltage vs Output Voltage (High CMRR Region)
VS = 5.5 V G = 10, 20, 30, 50 VREF = 0 V
Figure 6-61 Input Common-Mode Voltage vs Output Voltage (High CMRR Region)
INA351 Input
                        Common-Mode Voltage vs Output Voltage
VS = 5.5 V G = 10, 20, 30, 50 VREF = VS / 2
Figure 6-63 Input Common-Mode Voltage vs Output Voltage
INA351 Input Common-Mode Voltage vs
                        Output Voltage
VS = 5.5 V G = 10, 20, 30, 50 VREF = 0 V
Figure 6-65 Input Common-Mode Voltage vs Output Voltage
INA351 Typical Distribution of Input Referred Offset Drift
G = 10, 20, 30, 50 N = 36 μ = 0.23 μV/°C σ = 0.36 μV/°C
Figure 6-2 Typical Distribution of Input Referred Offset Drift
INA351 Typical Distribution of Input Offset Current
TA = 25°C N = 36 μ = –0.40 pA σ = 0.47 pA
Figure 6-4 Typical Distribution of Input Offset Current
INA351 Typical Distribution of Input Offset Current
TA = 85°C N = 36 μ = 0.05 pA σ = 0.30 pA
Figure 6-6 Typical Distribution of Input Offset Current
INA351 Typical Distribution of CMRR
G = 20 N = 36 μ = -0.27 μV/V σ = 7.20 μV/V
Figure 6-8 Typical Distribution of CMRR
INA351 Typical Distribution of CMRR
G = 50 N = 36 μ = –1.16 μV/V σ = 7.62 μV/V
Figure 6-10 Typical Distribution of CMRR
INA351 Typical Distribution of Gain Error
G = 20 N = 36 μ = -0.02 % σ = 0.02 %
Figure 6-12 Typical Distribution of Gain Error
INA351 Typical Distribution of Gain Error
G = 50 N = 36 μ = 0.0035 % σ = 0.012 %
Figure 6-14 Typical Distribution of Gain Error
INA351 Input
                        Bias Current vs TemperatureFigure 6-16 Input Bias Current vs Temperature
INA351 Quiescent Current vs TemperatureFigure 6-18 Quiescent Current vs Temperature
INA351 Short
                        Circuit Current vs TemperatureFigure 6-20 Short Circuit Current vs Temperature
INA351 CMRR
                        vs TemperatureFigure 6-22 CMRR vs Temperature
INA351 Input
                        Referred Offset Voltage vs Input Common-Mode Voltage
V+ = 1.65 V and V– = –1.65 V
Figure 6-24 Input Referred Offset Voltage vs Input Common-Mode Voltage
INA351 Input
                        Offset Current vs Input Common-Mode Voltage
V+ = 2.75 V and V– = –2.75 V
Figure 6-26 Input Offset Current vs Input Common-Mode Voltage
INA351 Input
                        Referred Offset Voltage vs Supply Voltage
G =  10
Figure 6-28 Input Referred Offset Voltage vs Supply Voltage
INA351 Output Voltage vs Output Current (Sourcing)Figure 6-30 Output Voltage vs Output Current (Sourcing)
INA351 Closed-Loop Gain vs FrequencyFigure 6-32 Closed-Loop Gain vs Frequency
INA351 PSRR+
                        (Referred to Input) vs FrequencyFigure 6-34 PSRR+ (Referred to Input) vs Frequency
INA351 Input
                        Referred Voltage Noise Spectral Density Figure 6-36 Input Referred Voltage Noise Spectral Density
INA351 Closed-Loop Output Impedance vs FrequencyFigure 6-38 Closed-Loop Output Impedance vs Frequency
INA351 THD +
                        N Frequency
VS = 5.5 V BW = 80 kHz VCM = 2.75 V
RL = 10 kΩ VOUT = 0.5 VRMS
Figure 6-40 THD + N Frequency
INA351 Electromagnetic Interference
                        Rejection Ratio Referred to Noninverting Input (EMIRR+) vs FrequencyFigure 6-42 Electromagnetic Interference Rejection Ratio Referred to Noninverting Input (EMIRR+) vs Frequency
INA351 Small-Signal Overshoot vs
                        Capacitive Load
VS = 5.5 V G = 20 VOUT = 100 mVPP
Figure 6-44 Small-Signal Overshoot vs Capacitive Load
INA351 Small-Signal Overshoot vs Capacitive Load
VS = 5.5 V G = 50 VOUT = 100 mVPP
Figure 6-46 Small-Signal Overshoot vs Capacitive Load
INA351 Large Signal Settling Time
                        (Falling Edge)
V+ = 2.75 V V– = –2.75 V G = 10 VOUT = 2 VPP
Figure 6-48 Large Signal Settling Time (Falling Edge)
INA351 Large Signal Step
                        Response
V+ = 2.75 V V– = –2.75 V G = 50 VOUT = 2 VPP
Figure 6-50 Large Signal Step Response
INA351 Small-Signal Step Response
V+ = 2.75 V V– = –2.75 V G = 50 VOUT = 0.1 VPP
Figure 6-52 Small-Signal Step Response
INA351 Over-Load Recovery (Falling Edge)
V+ = 2.75 V V– = –2.75 V G = 10 VIN = 1 VPP
Figure 6-54 Over-Load Recovery (Falling Edge)
INA351 Enable Response
V+ = +2.75 V V– = –2.75 V G = 10
Figure 6-56 Enable Response
INA351 Input
                        Common-Mode Voltage vs Output Voltage (High CMRR Region)
VS = 3.3 V G = 10, 20, 30, 50 VREF = VS / 2
Figure 6-58 Input Common-Mode Voltage vs Output Voltage (High CMRR Region)
INA351 Input
                        Common-Mode Voltage vs Output Voltage (High CMRR Region)
VS = 3.3 V G = 10, 20, 30, 50 VREF = 0 V
Figure 6-60 Input Common-Mode Voltage vs Output Voltage (High CMRR Region)
INA351 Input
                        Common-Mode Voltage vs Output Voltage
VS = 3.3 V G = 10, 20, 30, 50 VREF = VS / 2
Figure 6-62 Input Common-Mode Voltage vs Output Voltage
INA351 Input Common-Mode Voltage vs
                        Output Voltage
VS = 3.3 V G = 10, 20, 30, 50 VREF = 0 V
Figure 6-64 Input Common-Mode Voltage vs Output Voltage