SLOS884B September   2014  – December 2018 OPA2320-Q1 , OPA320-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Zero Crossover Distortion: Low Offset Voltage
  4. 4 Revision History
  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
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Input and ESD Protection
      2. 7.3.2 Feedback Capacitor Improves Response
      3. 7.3.3 EMI Susceptibility And Input Filtering
      4. 7.3.4 Output Impedance
      5. 7.3.5 Capacitive Load and Stability
      6. 7.3.6 Overload Recovery Time
    4. 7.4 Device Functional Modes
      1. 7.4.1 Rail-to-Rail Input
      2. 7.4.2 Phase Reversal
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Transimpedance Amplifier
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Optimizing The Transimpedance Circuit
        3. 8.2.1.3 Application Curves
      2. 8.2.2 High-Impedance Sensor Interface
      3. 8.2.3 Driving ADCs
      4. 8.2.4 Active Filter
  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
    2. 11.2 Related Links
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community 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:

VS = 1.8 to 5.5 V or ±0.9 V to ±2.75 V; at TA = 25°C, R(L) = 10 kΩ connected to VS / 2, V(CM) = VS / 2, VO = VS / 2 (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OFFSET VOLTAGE
VIO Input offset voltage 40 150 µV
Input offset voltage versus temperature VS = 5.5 V, TA = –40°C to +125°C 1.5 5 µV/°C
Input offset voltage versus power supply VS = 1.8 to 5.5 V 5 20 µV/V
VS = 1.8 to 5.5 V, TA = –40°C to +125°C 15
Input offset-voltage channel separation At 1 kHz 130 dB
INPUT VOLTAGE
V(CM) Common-mode voltage range V(V–) – 0.1 V(V+) + 0.1 V
CMRR Common-mode rejection ratio VS = 5.5 V, V(V–) – 0.1 V < V(CM) < V(V+) + 0.1 V 100 114 dB
Common-mode rejection ratio, over temperature VS = 5.5 V, V(V–) – 0.1 V < V(CM) < V(V+) + 0.1 V,
TA = –40°C to 125°C		 96 dB
INPUT BIAS CURRENT
IIB Input bias current ±0.2 ±0.9 pA
Input bias current, over temperature TA = –40°C to 85°C ±50 pA
TA = –40°C to 125°C ±400
IIO Input offset current ±0.2 ±0.9 pA
Input offset current, over temperature TA = –40°C to 85°C ±50 pA
TA = –40°C to 125°C ±400
NOISE
VI(n) Input voltage noise f = 0.1 to 10 Hz 2.8 µVPP
Input voltage noise density f = 1 kHz 8.5 nV/√Hz
f = 10 kHz 7
Input current noise density f = 1 kHz 0.6 fA/√Hz
INPUT CAPACITANCE
Differential 5 pF
Common-mode 4 pF
OPEN-LOOP GAIN
A(OL) Open-loop voltage gain 0.1 V < VO < V(V+) – 0.1 V, R(L) = 10 kΩ 114 132 dB
0.1 V < VO < V(V+) – 0.1 V, R(L) = 10 kΩ, TA = –40°C to 125°C 100 130
0.2 V < VO < V(V+) – 0.2 V, R(L) = 2 kΩ 108 123
0.2 V < VO < V(V+) – 0.2 V, R(L) = 2 kΩ, TA = –40°C to 125°C 96 130
PM Phase margin VS = 5 V, C(L) = 50 pF 47 °
FREQUENCY RESPONSE (VS = 5 V, C(L) = 50 pF)
GBP Gain bandwidth product Unity gain 20 MHz
SR Slew rate G = 1 10 V/µs
ts Settling time To 0.1%, 2-V step, G = 1 0.25 µs
To 0.01%, 2-V step, G = 1 0.32
To 0.0015%, 2-V step, G = 1(2) 0.5
Overload recovery time VI × G > VS 100 ns
THD+N Total harmonic distortion + noise(1) VO = 4 VPP, G = 1, f = 10 kHz, R(L) = 10 kΩ 0.0005%
VO = 4 VPP, G = 1, f = 10 kHz, R(L) = 600 kΩ 0.0011%
OUTPUT
VO Voltage output swing from both rails R(L) = 10 kΩ 10 20 mV
R(L) = 10 kΩ, TA = –40°C to 125°C 30
R(L) = 2 kΩ 25 35
R(L) = 2 kΩ, TA = –40°C to 125°C 45
I(SC) Short-circuit current VS = 5.5 V ±65 mA
C(L) Capacitive load drive See Typical Characteristics
Open-loop output resistance IO = 0 mA, f = 1MHz 90 Ω
POWER SUPPLY
VS Specified voltage range 1.8 5.5 V
IQ Quiescent current per amplifier IO = 0 mA, VS = 5.5V 1.45 1.6 mA
IO = 0 mA, VS = 5.5V, TA = –40°C to 125°C 1.7
Power-on time V(V+) = 0 to 5 V, to 90% IQ level 28 µs
TEMPERATURE
Specified range –40 125 °C
Operating range –40 150 °C
(1) Third-order filter; bandwidth = 80 kHz at –3 dB.
(2) Based on simulation.