SBOS165B September   2000  – April 2024 OPA627 , OPA637

PRODMIX  

  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: OPA627
    5. 5.5 Thermal Information: OPA637
    6. 5.6 Electrical Characteristics: OPA627BU, OPA627AU
    7. 5.7 Electrical Characteristics: OPA627AM, OPA627BM, OPA627SM
    8. 5.8 Electrical Characteristics: OPA637
    9. 5.9 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Offset Voltage Adjustment
      2. 6.3.2 Noise Performance
      3. 6.3.3 Input Bias Current
      4. 6.3.4 Phase-Reversal Protection
      5. 6.3.5 Output Overload
      6. 6.3.6 Capacitive Loads
      7. 6.3.7 Input Protection
      8. 6.3.8 EMI Rejection Ratio (EMIRR)
        1. 6.3.8.1 EMIRR IN+ Test Configuration
      9. 6.3.9 Settling Time
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 TINA-TI™ Simulation Software (Free Download)
        2. 8.1.1.2 Analog Filter Designer
        3. 8.1.1.3 TI Reference Designs
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.6 Electrical Characteristics: OPA627BU, OPA627AU

at TA = 25°C, VS = ±15V, VCM = VOUT = midsupply, and RL = 10kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage(1) OPA627BU  ±25 ±125 μV
OPA627AU    ±280 ±500
dVOS/dT Input offset voltage drift(1) TA = –25°C to +85°C  OPA627BU ±0.3 ±1.3 μV/°C
OPA627AU ±2.5
PSRR
Power supply rejection ratio(1)
 		 VS = ±4.5V to ±18V OPA627BU 105 117 dB
OPA627AU 100 116
INPUT BIAS CURRENT
IB Input bias current(2) OPA627BU ±0.2 ±5 pA
OPA627AU ±2 ±10
TA = –25°C to +85°C OPA627BU ±0.4 nA
OPA627AU ±2
–10V < VCM < +10V OPA627BU ±1 pA
OPA627AU ±2
IOS Input offset current(2) OPA627BU ±0.2 ±5 pA
OPA627AU ±1 ±10
TA = –25°C to +85°C OPA627BU ±0.5 nA
OPA627AU ±2
NOISE
Input voltage noise f = 0.1Hz to 10Hz  0.34 μVPP
en Input voltage noise density f = 10Hz    7.5 nV/√Hz
f = 100Hz   4.8  
f = 1kHz   4
f = 10kHz 4
in Input current noise density f = 100Hz 2.5 fA/√Hz
Input current noise f = 0.1Hz to 10Hz 48 fAPP
INPUT VOLTAGE
VCM Common-mode voltage ±11 ±11.5 V
TA = –25°C to +85°C ±10.5 ±11
CMRR Common-mode rejection ratio –10.5V ≤ VCM ≤ +10.5V OPA627BU 103 108 dB
OPA627AU 100 110
INPUT IMPEDANCE
ZID Differential 10 || 8 TΩ || pF
ZICM Common-mode 10 || 9 TΩ || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain –10V < VO < +10V
RL = 1kΩ		 OPA627BU 120 130 dB
OPA627AU 106 116
–10V < VO < +10V
RL = 1kΩ, 
TA = –25°C to +85°C		 OPA627BU 117
OPA627AU 100 110
FREQUENCY RESPONSE
GBW Gain-bandwidth product Gain = 1V/V, CL = 30pF    45 MHz
SR Slew rate 10V step, gain = –1V/V  150 V/μs
tS Settling time 10V step, gain = –1V/V, 
CL = 30pF 		 To 0.01% 120 ns
To 0.1% 110
THD+N Total harmonic distortion + noise Gain = 1V/V, f = 1kHz, VO = 3.5VRMS  0.00003 %
OUTPUT
VO Output voltage RL = 1kΩ ±11.5 ±12.3 V
TA = –25°C to +85°C ±11 ±11.5
IO Current output –10V < VO < +10V  ±30 mA
ISC Short-circuit current ±45 mA
RO Open-loop output impedance f = 1MHz  13.5 Ω
POWER SUPPLY
IQ Quiescent current per amplifier IO = 0mA 7 7.5 mA
(1) The offset voltage is measured when the device is fully warmed-up.
(2) High-speed test at TJ = 25°C. See Typical Characteristics for warmed-up performance.