SBOSAI7B November   2023  – July 2024 OPA2891 , OPA891

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information - OPA891
    5. 5.5 Thermal Information - OPA2891
    6. 5.6 Electrical Characteristics - RL = 150Ω
    7. 5.7 Electrical Characteristics - RL = 1kΩ
    8. 5.8 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Offset Nulling
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Driving a Capacitive Load
      2. 7.1.2 Low-Pass Filter Configurations
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Selection of Multiplexer
        2. 7.2.2.2 Signal Source
        3. 7.2.2.3 Driving Amplifier
        4. 7.2.2.4 Driving Amplifier Bandwidth Restriction
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 General PowerPAD™ Integrated Circuit Package Design Considerations
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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5.8 Typical Characteristics

at TA = 25°C, VCC = ±15V, gain = +1V/V, RL = 150Ω, and RF = 300Ω (unless otherwise noted)

OPA891 OPA2891 Frequency Response vs Feedback Resistance
VCC = ±15V, RL = 150Ω, VOUT = 200mVPP
Figure 5-1 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Frequency Response vs Feedback Resistance
VCC = ±5V, RL = 150Ω, VOUT = 200mVPP
Figure 5-3 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Frequency Response vs Feedback Resistance
Gain = +2V/V, VOUT = 400mVPP
Figure 5-5 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Large-signal Frequency Response
VCC = ±15V
Figure 5-7 Large-signal Frequency Response
OPA891 OPA2891 Closed-loop Output Impedance
 
Figure 5-9 Closed-loop Output Impedance
OPA891 OPA2891 Power-supply Rejection Ratio vs Frequency
 
Figure 5-11 Power-supply Rejection Ratio vs Frequency
OPA891 OPA2891 Input-Referred Voltage Noise vs Frequency
 
Figure 5-13 Input-Referred Voltage Noise vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Frequency
VCC = ±15V, gain = +2V/V, RL = 1kΩ, VOUT = 2VPP
Figure 5-15 Harmonic Distortion vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Frequency
VCC = ±15V, gain = +2V/V, RL = 150Ω, VOUT = 2VPP
Figure 5-17 Harmonic Distortion vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Peak‑to‑Peak Output Voltage
VCC = ±15V, gain = +5V/V, RL = 1kΩ, f = 1MHz
Figure 5-19 Harmonic Distortion vs Peak‑to‑Peak Output Voltage
OPA891 OPA2891 OPA2891 Crosstalk vs Frequency
VCC = ±15V, gain = +2V/V
Figure 5-21 OPA2891 Crosstalk vs Frequency
OPA891 OPA2891 4V Step Response
VCC = ±5V, gain = –1V/V, RF = 430Ω
Figure 5-23 4V Step Response
OPA891 OPA2891 Input Offset Voltage vs Ambient Temperature
3 typical units
Figure 5-25 Input Offset Voltage vs Ambient Temperature
OPA891 OPA2891 Input Offset Current vs Ambient Temperature
3 typical units
Figure 5-27 Input Offset Current vs Ambient Temperature
OPA891 OPA2891 Offset Voltage vs Output Voltage
 
Figure 5-29 Offset Voltage vs Output Voltage
OPA891 OPA2891 Output Swing vs Load Current
 
Figure 5-31 Output Swing vs Load Current
OPA891 OPA2891 THD+N vs Frequency
VCC = ±5V, VOUT = 1VRMS, BW = 80kHz
Figure 5-33 THD+N vs Frequency
OPA891 OPA2891 THD+N vs Frequency
VCC = ±18V, VOUT = 3VRMS, BW = 80kHz
Figure 5-35 THD+N vs Frequency
OPA891 OPA2891 Intermodulation Distortion vs Amplitude
Gain = +1V/V, SMPTE/DIN two-tone 4:1 (60Hz and 7kHz),
RL = 2kΩ, BW = 80kHz
Figure 5-37 Intermodulation Distortion vs Amplitude
OPA891 OPA2891 Distortion Harmonics vs Frequency
Gain = +1V/V, VCC = ±5V, VOUT = 1VRMS
RL = 2kΩ, BW = 80kHz
Figure 5-39 Distortion Harmonics vs Frequency
OPA891 OPA2891 Distortion Harmonics vs Frequency
Gain = +1V/V, VCC = ±18V, VOUT = 3VRMS,
RL = 2kΩ, BW = 80kHz
Figure 5-41 Distortion Harmonics vs Frequency
OPA891 OPA2891 1kHz Output Spectrum
Gain = +1V/V, VCC = ±15V, VOUT = 3VRMS, RL = 2kΩ
Figure 5-43 1kHz Output Spectrum
OPA891 OPA2891 Frequency Response vs Feedback Resistance
VCC = ±15V, RL = 1kΩ, VOUT = 200mVPP
Figure 5-2 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Frequency Response vs Feedback Resistance
VCC = ±5V, RL = 1kΩ, VOUT = 200mVPP
Figure 5-4 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Frequency Response vs Feedback Resistance
VCC = ±5V, gain = +2V/V, VOUT = 400mVPP
Figure 5-6 Frequency Response vs Feedback Resistance
OPA891 OPA2891 Large-signal Frequency Response
VCC = ±5V
Figure 5-8 Large-signal Frequency Response
OPA891 OPA2891 Open-loop Gain and Phase Response
 
Figure 5-10 Open-loop Gain and Phase Response
OPA891 OPA2891 Common-mode Rejection Ratio vs Frequency
 
Figure 5-12 Common-mode Rejection Ratio vs Frequency
OPA891 OPA2891 Input-Referred Current Noise vs Frequency
 
Figure 5-14 Input-Referred Current Noise vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Frequency
VCC = ±5V, gain = +2V/V, RL = 1kΩ, VOUT = 2VPP
Figure 5-16 Harmonic Distortion vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Frequency
VCC = ±5V, gain = +2V/V, RL = 150Ω, VOUT = 2VPP
Figure 5-18 Harmonic Distortion vs Frequency
OPA891 OPA2891 Harmonic Distortion vs Peak‑to‑Peak Output Voltage
VCC = ±15V, gain = +5V/V, RL = 150Ω, f = 1MHz
Figure 5-20 Harmonic Distortion vs Peak‑to‑Peak Output Voltage
OPA891 OPA2891 1V Step Response
Gain = +2V/V
Figure 5-22 1V Step Response
OPA891 OPA2891 20V Step Response
Gain = +2V/V
Figure 5-24 20V Step Response
OPA891 OPA2891 Voltage Offset Distribution
μ = 0.209mV, σ = 0.0911mV
Figure 5-26 Voltage Offset Distribution
OPA891 OPA2891 Input Offset Current vs Ambient Temperature
μ = 0.0179nA, σ = 0.0317nA
Figure 5-28 Input Offset Current vs Ambient Temperature
OPA891 OPA2891 Maximum Output Voltage Swing vs Ambient Temperature
 
Figure 5-30 Maximum Output Voltage Swing vs Ambient Temperature
OPA891 OPA2891 Supply Current vs Ambient Temperature
 
Figure 5-32 Supply Current vs Ambient Temperature
OPA891 OPA2891 THD+N vs Frequency
VCC = ±15V, VOUT = 3VRMS, BW = 80kHz
Figure 5-34 THD+N vs Frequency
OPA891 OPA2891 THD+N Ratio vs Output Amplitude
Gain = +1V/V, RL = 2kΩ, f = 1kHz, BW = 80kHz
Figure 5-36 THD+N Ratio vs Output Amplitude
OPA891 OPA2891 Intermodulation Distortion vs Amplitude
Gain = +2V/V, SMPTE/DIN two-tone 4:1 (60Hz and 7kHz),
RL = 2kΩ, BW = 80kHz
Figure 5-38 Intermodulation Distortion vs Amplitude
OPA891 OPA2891 Distortion Harmonics vs Frequency
Gain = +1V/V, VCC = ±15V, VOUT = 3VRMS,
RL = 2kΩ, BW = 80kHz
Figure 5-40 Distortion Harmonics vs Frequency
OPA891 OPA2891 Distortion Harmonics vs Supply Voltage
Gain = +1V/V, VOUT = 3VRMS,
RL = 2kΩ, f = 1kHz, BW = 80kHz
Figure 5-42 Distortion Harmonics vs Supply Voltage
OPA891 OPA2891 20kHz Output Spectrum
Gain = +1V/V, VCC = ±5V, VOUT = 1VRMS, RL = 2kΩ
Figure 5-44 20kHz Output Spectrum