ZHCSJ65A December   2018  – December 2019 OPA462

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      OPA462 方框图
      2.      最大输出电压与频率间的关系
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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: Table of Graphs
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Status Flag Pin
      2. 7.3.2 Thermal Protection
      3. 7.3.3 Current Limit
      4. 7.3.4 Enable and Disable
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 High DAC Gain Stage for Semiconductor Test Equipment
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Improved Howland Current Pump for Bioimpedance Measurements in Multiparameter Patient Monitors
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Thermally-Enhanced PowerPAD Package
      2. 10.1.2 PowerPAD Integrated Circuit Package Layout Guidelines
      3. 10.1.3 Pin Leakage
      4. 10.1.4 Thermal Protection
      5. 10.1.5 Power Dissipation
      6. 10.1.6 Heat Dissipation
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 TINA-TI™（免费软件下载）
        2. 11.1.1.2 TI 高精度设计
        3. 11.1.1.3 WEBENCH滤波器设计器
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 支持资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

at TA = 25°C, VS = ±90V  RL = 10 kΩ to mid-supply, VCM = VOUT = mid-supply (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage IO = 0 mA ±0.2 ±3.4 mV
dVOS/dT Input offset voltage drift At TA = –40°C to +85°C ±4 ±20 µV/°C
PSRR Power supply rejection ratio VS = ±6 V to ±90 V 0.03 0.3 µV/V
VS = ±6 V to ±90 V
At TA = –40°C to +85°C		 0.3 1.5 µV/V
INPUT BIAS CURRENT
IB Input bias current VS = ±50V ±30 ±100 pA
At TA = –40°C to +85°C ±2.2 nA
IOS Input offset current ±30 ±100 pA
At TA = –40°C to +85°C ±1.1 nA
NOISE
en Input voltage noise density f = 1 kHz 33 nV/√Hz
f = 10 kHz 23 nV/√Hz
Input voltage noise f = 0.1 Hz to 10 Hz 12.5 µVPP
in Current noise density f = 1 kHz 40 fA/√Hz
f = 10 kHz 450 fA/√Hz
INPUT VOLTAGE
VCM Common-mode voltage Linear operation (V–) + 1 (V+) – 3 V
CMRR Common-mode rejection Common-mode rejection –85 V ≤ VCM ≤ 85 V 120 128 dB
CMRR Common-mode rejection –85 V ≤ VCM ≤ 85 V
At TA = –40°C to +85°C		 116 120 dB
INPUT IMPEDANCE
Differential 1013 || 6 Ω || pF
Common-mode 1013 || 3.5 Ω || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain (V–) + 3 V < VO < (V+) – 3 V 126 135 dB
(V–) + 3 V < VO < (V+) – 3 V
At TA = –40°C to +85°C		 120 134 dB
(V–) + 5 V < VO < (V+) – 5 V, RL = 5kΩ 126 135 dB
(V–) + 5 V < VO < (V+) – 5 V, RL = 5kΩ
At TA = –40°C to +85°C		 120 130 dB
FREQUENCY RESPONSE
GBW Gain-bandwidth product Small-signal 6.5 MHz
SR Slew rate G = ±1 V/V, VO = 80-V step,
RL = 3.27 kΩ		 32 V/µs
Full-power bandwidth 25 kHz
tS Settling time To ±0.01%, G = ±5 V/V or ±10 V/V,
VO = 120-V step		 5.2 µs
THD+N Total harmonic distortion + noise G = +10 V/V,
f = 1 kHz, VO = 150 VPP 		0.0009 %
G = +10 V/V,
f = 1 kHz, VO = 150 VPP, RL = 5 kΩ		 0.0012 %
G = +20 V/V,
f = 1 kHz, VO = 150 VPP 		0.0015 %
G = +20 V/V,
f = 1 kHz, VO = 150 VPP, RL = 5 kΩ		 0.0025 %
OUTPUT
Overload recovery G = –10 V/V 150 ns
VO Output voltage swing RL = 10 kΩ, (V–) + 3 (V+) – 1.5 V
RL = 5 kΩ, (V–) + 5 (V+) – 3 V
ISC Short-circuit current VS = ±45 V, At TA = –40°C to +85°C ±45 mA
CLOAD Capacitive load drive 200 pF
ZO Open-loop output impedance f = 1 MHz 90 Ω
Output impedance Output disabled 160 kΩ
Output capacitance Output disabled 36 pF
STATUS FLAG PIN (Referenced to E/D Com)
Status Flag delay Enable → Disable, 10 kΩ pull-up to 5 V 3.5 µs
Disable → Enable, 10 kΩ pull-up to 5V 11 µs
Overcurrent delay, 10 kΩ pull-up to 5V 1 µs
Overcurrent recovery delay, 10 kΩ pull-up to 5 V 9 µs
Device thermal shutdown Alarm (Status Flag high) 150 °C
Return to normal operation
(Status Flag low)		 130 °C
Status Flag output voltage Normal operation See typical curves V
E/D (ENABLE/DISABLE) PIN
VSD High (output enabled) Pin open or forced high E/D Com + 0.8 E/D Com + 5.5 V
Low (output disabled) Pin forced low E/D Com E/D Com + 0.35 V
Output disable time 4 µs
Output enable time 2.5 µs
E/D COM PIN
Pin voltage VS ≥ 106 V (V–) (V–) +100 V
VS < 106 V (V–) (V+) – 6 V
POWER SUPPLY
IQ Quiescent current IO = 0 mA 3.2 3.7 mA
Quiescent current in Shutdown mode IO = 0 mA, VE/D = 0.65 V 1.5 2 mA