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

5.8 Electrical Characteristics: OPA637

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) OPA637AU ±280 ±500 μV
OPA637AM ±130 ±250
OPA637BM, OPA637SM ±40 ±100
dVOS/dT Input offset voltage drift(1) TA = –25°C to +85°C OPA637AU ±2.5 μV/°C
OPA637AM ±1.2 ±2
OPA637BM ±0.4 ±0.8
TA = –55°C to +125°C OPA637SM ±0.4 ±0.8
PSRR
Power supply rejection ratio(1)
 		 VS = ±4.5V to ±18V OPA637AU, OPA637AM 100 116 dB
OPA637BM, OPA637SM 106 120
INPUT BIAS CURRENT
IB Input bias current(2) OPA637AU, OPA637AM ±2 ±10 pA
OPA637BM, OPA637SM ±1 ±5
TA = –25°C to +85°C OPA637AU, OPA637AM ±2 nA
OPA637BM ±1
TA = –55°C to +125°C OPA637SM ±50
–10V ≤ VCM ≤ +10V OPA637AU, OPA637AM ±2 pA
OPA637BM, OPA637SM ±1
IOS Input offset current(2) OPA637AU, OPA637AM ±1 ±10 pA
OPA637BM, OPA637SM ±0.5 ±5
TA = –25°C to +85°C OPA637AU, 
OPA637AM		 ±2 nA
OPA637BM ±1
TA = –55°C to +125°C OPA637SM ±50
NOISE
Input voltage noise f = 0.1Hz to 10Hz OPA637AU, OPA637AM   0.8 μVPP
OPA637BM, OPA637SM 0.6 1.6
en Input voltage noise density f = 10Hz OPA637AU, OPA637AM 20 nV/√Hz
OPA637BM, OPA637SM 15 40
f = 100Hz OPA637AU, OPA637AM 10
OPA637BM, OPA637SM 8 20
f = 1kHz OPA637AU, OPA637AM 5.6
OPA637BM, OPA637SM 5.2 8
f = 10kHz OPA637AU, OPA637AM 4.8
OPA637BM, OPA637SM 4.5 6
in Input current noise density f = 100Hz OPA637AU, OPA637AM 2.5 fA/√Hz
OPA637BM, OPA637SM 1.6 2.5
Input current noise f = 0.1Hz to 10Hz OPA637AU, OPA637AM 48 fAPP
OPA637BM, OPA637SM 30 60
INPUT VOLTAGE
VCM Common-mode voltage ±11 ±11.5 V
TA = –25°C to +85°C OPA637AU, OPA637AM,
OPA637BM		 ±10.5 ±11
TA = –55°C to +125°C OPA637SM ±10.5 ±11
CMRR Common-mode rejection ratio –10.5V ≤ VCM ≤ +10.5V OPA637AU, OPA637AM 100 110 dB
OPA637BM, OPA637SM 106 116
INPUT IMPEDANCE
ZID Differential 10 || 8 TΩ || pF
ZICM Common-mode 10 || 7 TΩ || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain –10V < VO < +10V
RL = 1kΩ		 OPA637AU, OPA637AM 106 116 dB
OPA637BM, OPA637SM 112 120
–10V < VO < +10V
RL = 1kΩ, TA = –25°C to +85°C		 OPA637AU, OPA637AM 100 110
OPA637BM 106 117
–10V < VO < +10V
RL = 1kΩ, TA = –55°C to +125°C		 OPA637SM 100 114
FREQUENCY RESPONSE
GBW Gain-bandwidth product Gain = 10V/V 80 MHz
SR Slew rate 10V step, gain = –4V/V 100 135 V/μs
tS Settling time 10V step, gain = –4V/V, To 0.01% 450 ns
To 0.1% 300
OUTPUT
VO Output voltage RL = 1kΩ ±11.5 ±12.3 V
RL = 1kΩ, TA = –25°C to +85°C OPA637AU, 
OPA637AM,
OPA637BM		 ±11 ±11.5
RL = 1kΩ, TA = –55°C to +125°C OPA637SM ±11 ±11.5
ISC Current output –10V < VO < +10V ±45 mA
ISC Short-circuit current ±35 ±70/–55 ±100 mA
RO Open-loop output impedance f = 1MHz 55 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.