SBOSAG3A March   2024  – December 2024 PGA849

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Gain Control
      2. 7.3.2 Input Protection
      3. 7.3.3 Using the Output Difference Amplifier to Shape Noise
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Linear Operating Input Range
      2. 8.1.2 Current Consumption with Differential Inputs
    2. 8.2 Typical Applications
      1. 8.2.1 Driving a Single-Ended Input SAR ADC
        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. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
        1. 9.1.1.1 PSpice® for TI
        2. 9.1.1.2 TINA-TI™ Simulation Software (Free Download)
    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

6.6 Typical Characteristics

at TA = 25°C, VS = VSOUT = ±15V, VICM = VREF = 0V, RL = 10kΩ connected to ground, and G =1V/V (unless otherwise noted)

PGA849 Distribution of Offset Voltage (RTI)
N = 1767Mean = –165.34µVStd. dev. = 600.90µV
G = 0.125V/V
Figure 6-1 Distribution of Offset Voltage (RTI)
PGA849 Distribution of Offset Voltage (RTI)
N = 1767Mean = –37.55µVStd. dev. = 48.69µV
G = 16V/V
Figure 6-3 Distribution of Offset Voltage (RTI)
PGA849 Offset Voltage (RTI) vs Temperature
N = 581 wafer lot
G = 1V/V
Figure 6-5 Offset Voltage (RTI) vs Temperature
PGA849 Distribution of Offset Voltage Drift (RTI)
N = 58Mean = –1.23μV/°CStd. dev. = 2μV/°C
G = 0.125V/V
Figure 6-7 Distribution of Offset Voltage Drift (RTI)
PGA849 Distribution of Offset Voltage Drift (RTI)
N = 58Mean = –0.17μV/°CStd. dev. = 0.13μV/°C
G = 16V/V
Figure 6-9 Distribution of Offset Voltage Drift (RTI)
PGA849 PSRR Distribution
N = 1767Mean = 0.11μV/VStd. dev. = 0.47μV/V
G = 0.125V/V
Figure 6-11 PSRR Distribution
PGA849 PSRR Distribution
N = 1767Mean = 0.10μV/VStd. dev. = 0.06μV/V
G = 16V/V
Figure 6-13 PSRR Distribution
PGA849 Negative PSRR vs Frequency
Typical unit shown
G = 1V/V
Figure 6-15 Negative PSRR vs Frequency
PGA849 CMRR Distribution
N = 1767Mean = –1.55μV/VStd. dev = 19.92μV/V
G = 1V/V
Figure 6-17 CMRR Distribution
PGA849 CMRR vs Frequency (RTI)
Typical unit shown
Figure 6-19 CMRR vs Frequency (RTI)
PGA849 CMRR vs Temperature
Typical unit shown
Figure 6-21 CMRR vs Temperature
PGA849 Distribution of Input Bias Current
N = 58Mean = –0.265nAStd. dev. = 0.11nA
TA = 85°CG = 1V/V
Figure 6-23 Distribution of Input Bias Current
PGA849 Input Bias Current vs VICM
Typical unit shown
G = 1V/V
Figure 6-25 Input Bias Current vs VICM
PGA849 Input Offset Current vs Temperature
N = 581 wafer lot
G = 1V/V
Figure 6-27 Input Offset Current vs Temperature
PGA849 0.1Hz to 10Hz Voltage Noise (RTI)
Typical unit shown
G = 0.125V/V
Figure 6-29 0.1Hz to 10Hz Voltage Noise (RTI)
PGA849 0.1Hz to 10Hz Voltage Noise (RTI)
Typical unit shown
G = 16V/V
Figure 6-31 0.1Hz to 10Hz Voltage Noise (RTI)
PGA849 0.1Hz to 10Hz Current Noise
Typical unit shown
G = 1V/V
Figure 6-33 0.1Hz to 10Hz Current Noise
PGA849 Distribution of Gain Error
N = 10032 Mean = –0.0016% Std. dev. = 0.0025%
G = 1V/V
Figure 6-35 Distribution of Gain Error
PGA849 Gain Error vs Temperature
Typical unit shown
G = 1V/V
Figure 6-37 Gain Error vs Temperature
PGA849 Gain Nonlinearity
VOUT = ±10V G = 16V/V
Typical unit shown
Figure 6-39 Gain Nonlinearity
PGA849 Negative Output Voltage vs Output Current
VS = ±18VVOUT = ±15VG = 16V/V
Figure 6-41 Negative Output Voltage vs Output Current
PGA849 Output Short-Circuit Current vs Temperature
Short to VSOUT/ 2
G = 1V/V
Figure 6-43 Output Short-Circuit Current vs Temperature
PGA849 Large-Signal Step Response
G = 1V/V
Figure 6-45 Large-Signal Step Response
PGA849 Small-Signal Step Response
G = 0.125V/V
Figure 6-47 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 0.5V/V
Figure 6-49 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 2V/V
Figure 6-51 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 8V/V
Figure 6-53 Small-Signal Step Response
PGA849 Gain Switching Transient Response
VIN = 250mVPP
Figure 6-55 Gain Switching Transient Response
PGA849 Total Harmonic Distortion + Noise vs Frequency
10Hz to 500kHz band-pass filterVOUTDIFF > 2.5VPP
Figure 6-57 Total Harmonic Distortion + Noise vs Frequency
PGA849 3rd Harmonic Distortion vs Frequency
10Hz to 500kHz band-pass filterVOUTDIFF > 2.5VPP
Figure 6-59 3rd Harmonic Distortion vs Frequency
PGA849 Overshoot vs Capacitive Load
G = 1V/V
Figure 6-61 Overshoot vs Capacitive Load
PGA849 Distribution of Offset Voltage (RTI)
N = 1767Mean = –22.56µVStd. dev. = 78.45µV
G = 1V/V
Figure 6-2 Distribution of Offset Voltage (RTI)
PGA849 Offset Voltage (RTI) vs Temperature
N = 581 wafer lot
G = 0.125V/V
Figure 6-4 Offset Voltage (RTI) vs Temperature
PGA849 Offset Voltage (RTI) vs Temperature
N = 581 wafer lot
G = 16V/V
Figure 6-6 Offset Voltage (RTI) vs Temperature
PGA849 Distribution of Offset Voltage Drift (RTI)
N = 58Mean = –0.14μV/°CStd. dev. = 0.26μV/°C
G = 1V/V
Figure 6-8 Distribution of Offset Voltage Drift (RTI)
PGA849 Offset Voltage (RTI) vs VICM
Typical unit shown
Figure 6-10 Offset Voltage (RTI) vs VICM
PGA849 PSRR Distribution
N = 1767Mean = 0.14μV/VStd. dev. = 0.09μV/V
G = 1V/V
Figure 6-12 PSRR Distribution
PGA849 Positive PSRR vs Frequency
Typical unit shown
G = 1V/V
Figure 6-14 Positive PSRR vs Frequency
PGA849 CMRR Distribution
N = 1767Mean = –12.21μV/VStd. dev. = 159.35μV/V
G = 0.125V/V
Figure 6-16 CMRR Distribution
PGA849 CMRR Distribution
N = 1767Mean = –0.17μV/VStd. dev = 1.25μV/V
G = 16V/V
Figure 6-18 CMRR Distribution
PGA849 CMRR vs Frequency (Unbalanced)
Typical unit shown
G = 1V/V
Figure 6-20 CMRR vs Frequency (Unbalanced)
PGA849 Distribution of Input Bias Current
N = 1767Mean = –0.35nAStd. dev. = 0.181nA
G = 1V/V
Figure 6-22 Distribution of Input Bias Current
PGA849 Input Bias Current vs Temperature
N = 581 wafer lot
 G = 1V/V
Figure 6-24 Input Bias Current vs Temperature
PGA849 Distribution of Input Offset Current
N = 1767Mean = –0.006nAStd. dev = 0.139nA
G = 1V/V
Figure 6-26 Distribution of Input Offset Current
PGA849 Voltage Noise Spectral Density (RTI) vs Frequency
Typical unit shown
Figure 6-28 Voltage Noise Spectral Density (RTI) vs Frequency
PGA849 0.1Hz to 10Hz Voltage Noise (RTI)
Typical unit shown
G = 1V/V
Figure 6-30 0.1Hz to 10Hz Voltage Noise (RTI)
PGA849 Current Noise Spectral Density vs Frequency
G = 1V/V
Figure 6-32 Current Noise Spectral Density vs Frequency
PGA849 Distribution of Gain Error
N = 1767Mean = –0.0017%Std. dev. = 0.0074%
G = 0.125V/V
Figure 6-34 Distribution of Gain Error
PGA849 Distribution of Gain Error
N = 1767Mean = 0.0124%Std. dev. = 0.0098%
G = 16V/V
Figure 6-36 Distribution of Gain Error
PGA849 Gain Nonlinearity
VOUT = ±10V G = 1V/V
Typical unit shown
Figure 6-38 Gain Nonlinearity
PGA849 Positive Output Voltage vs Output Current
VS = ±18VVOUT = ±15VG = 16V/V
Figure 6-40 Positive Output Voltage vs Output Current
PGA849 Overload Recovery
G = 16V/V
Figure 6-42 Overload Recovery
PGA849 Gain vs Frequency
Figure 6-44 Gain vs Frequency
PGA849 Large-Signal Step Response vs Frequency
G = 1V/V
Figure 6-46 Large-Signal Step Response vs Frequency
PGA849 Small-Signal Step Response
G = 0.25V/V
Figure 6-48 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 1V/V
Figure 6-50 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 4V/V
Figure 6-52 Small-Signal Step Response
PGA849 Small-Signal Step Response
G = 16V/V
Figure 6-54 Small-Signal Step Response
PGA849 Total Harmonic Distortion + Noise vs Frequency
10Hz to 22kHz band-pass filterVOUTDIFF > 2.5VPP
Figure 6-56 Total Harmonic Distortion + Noise vs Frequency
PGA849 2nd Harmonic Distortion vs Frequency
10Hz to 500kHz band-pass filterVOUTDIFF > 2.5VPP
Figure 6-58 2nd Harmonic Distortion vs Frequency
PGA849 Closed-Loop Output Impedance vs Frequency
G = 1V/V
Figure 6-60 Closed-Loop Output Impedance vs Frequency
PGA849 Quiescent Current vs Temperature
Input stage
G = 1V/V
Figure 6-62 Quiescent Current vs Temperature