JAJSS86 November   2023 OPA891

PRODMIX  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Pin Configuration and Functions
  6. 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 = 150 Ω
    7. 5.7 Electrical Characteristics: RL = 1 kΩ
    8. 5.8 Typical Characteristics
  7. 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. 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™ Design Considerations
      2. 7.4.2 Layout Example
  9. 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 サポート・リソース
    4. 8.4 Trademarks
    5. 8.5 静電気放電に関する注意事項
    6. 8.6 用語集
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Electrical Characteristics: RL = 150 Ω

at TA = 25°C, VCC = ±15 V, and RL = 150 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DYNAMIC PERFORMANCE
BW Small-signal bandwidth (–3 dB)
Gain = –1 or 2


VCC = ±15 V
 
140 MHz
VCC = ±5 V 135
Bandwidth for 0.1-dB flatness Gain = –1 or 2 VCC = ±15 V 9
VCC = ±5 V 9
SR Slew rate(1) Gain = –1
VCC = ±15 V, 20-V step
 
105 V/μs

VCC = ±5 V, 5-V step

90
tS Settling time to 0.1% Gain = –1 VCC = ±15 V, 5-V step 70 ns
VCC = ±5 V, 2.5-V step 55
Settling time to 0.01%
Gain = –1

VCC = ±15 V, 5-V step 90 ns
VCC = ±5 V, 2.5-V step 80
AUDIO PERFORMANCE
THD+N Total harmonic distortion + noise Gain = 1, RL = 600 Ω, f = 1 kHz,
BW = 80 kHz
VCC = ±15 V, VO=3 VRMS –137 dB
0.000014 %
VCC = ±5 V, VO=1 VRMS –130 dB
0.00003 %
Gain = 2, RL = 600 Ω, f = 1 kHz,
BW = 80 kHz
VCC = ±15 V, VO=3 VRMS –133 dB
0.000022 %
VCC = ±5 V, VO=1 VRMS –124 dB
0.00006 %
IMD Intermodulation distortion G = 1, RL = 600 Ω, SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz) VCC = ±15 V, VO=3 VRMS –130 dB
0.000032 %
VCC = ±5 V, VO=1 VRMS –126 dB
0.00005 %
G = 2, RL = 600 Ω, SMPTE/DIN two-tone, 4:1 (60 Hz and 7 kHz) VCC = ±15 V, VO=3 VRMS –126 dB
0.00005 %
VCC = ±5 V, VO=1 VRMS –120 dB
0.0001 %
NOISE/DISTORTION PERFORMANCE
THD Total Harmonic Distortion G =2, VCC = ±5 V or ±15 V, f = 1 MHz VO(pp) = 2 V –91 dBc
Vn Input voltage noise VCC = ±5 V or ±15 V, f > 10 kHz 0.95 nV/√Hz
In Input current noise VCC = ±5 V or ±15 V, f > 10 kHz 2.3 pA/√Hz
Channel-to-channel crosstalk
(OPA2891 only)
VCC = ±5 V or ±15 V, f = 1 MHz –80 dBc
DC PERFORMANCE
VOS Input offset voltage VCC = ±5 V or ±15 V TA = 25°C 0.2 1 mV
Offset voltage drift VCC = ±5 V or ±15 V TA = full range 1 μV/°C
IIB Input bias current VCC = ±5 V or ±15 V TA = 25°C 9 20 μA
TA = full range 33
IOS Input offset current VCC = ±5 V or ±15 V TA = 25°C 30 250 nA
TA = full range 400
INPUT CHARACTERISTICS
VICR Common-mode input voltage range VCC = ±15 V ±13.8 ±14.3 V
VCC = ±5 V ±3.8 ±4.3 V
CMRR Common-mode rejection ratio VCC = ±15 V, VICR = ±12 V TA = 25°C 85 104 dB
TA = full range 80 dB
VCC = ±5 V, VICR = ±2.5 V TA = 25°C 90 106 dB
TA = full range 85 dB
Input impedance Common-mode 10 || 1.2 MΩ || pF
Differential-mode 6 || 1.8 kΩ || pF
OUTPUT CHARACTERISTICS
VO Output voltage swing VCC = ±15 V RL = 250 Ω ±12 ±12.9 V
VCC = ±5 V ±3 ±3.5 V
IO Output current(2) RL = 10 Ω VCC = ±15 V 160 200 mA
VCC = ±5 V 120 160 mA
RO Output resistance Open loop 5
POWER SUPPLY
VCC Supply voltage operating range Dual supply Dual supply ±4.5 ±18 V
Single supply Single supply 9 36 V
ICC Supply current (each amplifier) VCC = ±15 V TA = 25°C 7.5 10 mA
TA = full range 11 mA
VCC = ±5 V TA = 25°C 6.5 9 mA
TA = full range 10 mA
PSRR Power-supply rejection ratio VCC = ±5 V or ±15 V TA = 25°C 90 105 dB
VCC = ±5 V or ±15 V TA = full range 85 dB
Slew rate is measured from an output level range of 25% to 75%.
Keep junction temperature less than the absolute maximum rating when the output is heavily loaded or shorted; see also Section 5.1