SBOSA02 August   2021 OPA397

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Low Operating Voltage
      2. 7.3.2 Low Input Bias Current
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 TINA-TI™ Simulation Software (Free Download)
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

at TA = 25°C, VS = 1.7 V to 5.5 V (single-supply) or VS = ±0.85 V to ±2.75 V (dual-supply), RL = 10 kΩ connected to VS / 2,
VCM = VS / 2, and VOUT = VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VOS Input offset voltage VS = 5.0 V ±10 ±60 μV
VCM = (V+) – 200 mV ±20 ±100
TA = –40°C to +125°C ±200
VCM = (V–), TA = –40°C to 125°C ±125
dVOS/dT Input offset voltage drift VS = 5.0 V TA = 0°C to 85°C ±0.16 μV/°C
TA = –40°C to +125°C ±1
VCM = 5.0 V, 
TA = –40°C to +125°C		 ±0.18 ±1.5
PSRR Power supply rejection ratio VCM = (V–) ±30 μV/V
TA = –40°C to +125°C ±80
INPUT BIAS CURRENT
IB Input bias current ±0.01 ±1 pA
TA = –40°C to +85°C ±10
TA = –40°C to +125°C ±50
IOS Input offset current ±0.01 ±0.8 pA
TA = –40°C°C to +85°C ±5
TA = –40°C to +125°C ±30
NOISE
Input voltage noise f = 0.1 Hz to 10 Hz 2.0 μVPP
VCM = (V+) – 0.3   3.2
eN Input voltage noise density f = 10 Hz   42   nV/√Hz
VCM = (V+) – 0.3 80
f = 1 kHz 6.5
VCM = (V+) – 0.3   10.4  
f = 10 kHz   4.4
VCM = (V+) – 0.3 5.8
iN Input current noise f = 1 kHz   70   fA/√Hz
INPUT VOLTAGE
VCM Common-mode voltage range (V–) (V+) V
CMRR Common-mode rejection ratio (V–) < VCM < (V+) – 1.5 V 75 120 dB
TA = –40°C to +125°C 113
(V–) < VCM < (V+), 
TA = –40°C to +125°C		 66 97
VS = 5.5 V 88 111
INPUT CAPACITANCE
ZID Differential 1013 || 2.8 Ω || pF
ZICM Common-mode 1013 || 3.5 Ω || pF
OPEN-LOOP GAIN
AOL Open-loop voltage gain VS = 5.5 (V–) + 50 mV < VOUT <
(V+) – 50 mV, RL = 10 kΩ		 115 132 dB
(V–) + 100 mV < VOUT <
(V+) – 100 mV, RL = 2 kΩ		 110 128
(V–) + 100 mV < VOUT <
(V+) – 100 mV, RL = 2 kΩ,
TA = –40°C to +125°C		 100
VS = 1.7 (V–) + 50 mV < VOUT <
(V+) – 50 mV, RL = 10 kΩ,
VCM = (V+) – 1.15 V		 106 124
(V–) + 100 mV < VOUT <
(V+) – 100 mV, RL = 2 kΩ,
VCM = (V+) – 1.15 V		 106 124
(V–) + 100 mV < VOUT <
(V+) – 100 mV, RL = 2 kΩ,
VCM = (V+) – 1.15 V,
TA = –40°C to +125°C		 100
FREQUENCY RESPONSE
GBW Gain-bandwidth product AV = 1000 V/V 13 MHz
SR Slew rate 4-V step, gain = +1 falling 4.5 V/μs
rising 3.5 V/μs
Phase margin CL = 100 pF 45 °
tS Settling time To 0.1%, 2-V step, gain = +1 0.75 μs
To 0.01%, 2-V step, gain = +1 1
Overload recovery time VIN × gain > VS 0.45 μs
THD+N Total harmonic distortion + noise VOUT = 1 VRMS, gain = +1, f = 1 kHz, RL = 10 kΩ,
VCM = (V–) + 1.5 V		 –112 dB
0.00025 %
OUTPUT
Voltage output swing from both rails VS = 1.7 V RL = 10 kΩ 20 mV
RL = 2 kΩ 30
VS = 5.5 V RL = 10 kΩ 20
RL = 2 kΩ 35
ISC Short-circuit current Sinking, VS = 5.5 V –55 mA
Sourcing, VS = 5.5 V 65
RO Open-loop output impedance f = 1 MHz 120 Ω
POWER SUPPLY
IQ Quiescent current per amplifier IO = 0 mA 1.22 1.4 mA
IO = 0 mA, TA = –40°C to +125°C 1.5