SBOS973A June   2019  – September 2019 OPA2834

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      1-kHz FFT Plot (VOUT = 1 VRMS, RL = 100 kΩ, G = 1)
      2.      Low-Side, Current-Shunt Monitoring
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics: 3V to 5V
    6. 7.6 Typical Characteristics: Vs = 5 V
    7. 7.7 Typical Characteristics: VS = 3.0 V
    8. 7.8 Typical Characteristics: ±2.5-V to ±1.5-V Split Supply
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Input Common-Mode Voltage Range
      2. 8.3.2 Output Voltage Range
      3. 8.3.3 Low-Power Applications and the Effects of Resistor Values on Bandwidth
      4. 8.3.4 Driving Capacitive Loads
    4. 8.4 Device Functional Modes
      1. 8.4.1 Split-Supply Operation (±1.35 V to ±2.7 V)
      2. 8.4.2 Single-Supply Operation (2.7 V to 5.4 V)
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Noninverting Amplifier
      2. 9.1.2 Inverting Amplifier
    2. 9.2 Typical Applications
      1. 9.2.1 Low-Side Current Sensing
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
      2. 9.2.2 Field Transmitter Sensor Interface
      3. 9.2.3 Ultrasonic Flow Meters
      4. 9.2.4 Microphone Pre-Amplifier
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

7.5 Electrical Characteristics: 3V to 5V

VS = 3 V to 5 V, RF = 0 Ω, CL = 4 pF, RL = 5 kΩ referenced to mid-supply, G = 1 V/V, input and output VCM = mid-supply, and TA ≈ 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AC PERFORMANCE
SSBW Small-signal bandwidth VO = 20 mVPP, G = 1, < 1 dB peaking 50 MHz
VO = 20 mVPP, G = 2, RF = 3.65 kΩ 20
GBWP Gain-bandwidth product 20 MHz
LSBW Large-signal bandwidth VO = 2 VPP,VS = 5 V 6 MHz
VO = 1 VPP, VS = 3 V 9
Bandwidth for 0.1-dB flatness VO = 200 mVPP, G = 2, RF = 3.65 kΩ 9 MHz
SR Slew rate VS= 5V, VO = 2–V step, 20% to 80% 26 V/µs
VS= 3V, VO = 1–V step, 20% to 80% 17
tR, tF Rise, fall time VO = 200–mV step, input tR = 1 ns 16 ns
Settling time to 0.1% VO = 2–V step, input tR = 50 ns 88 ns
Settling time to 0.01% VO = 2–V step, input tR = 50 ns 110
Over/Under Shoot VO = 2–V step, input tR = 50 ns 0.6 %
Overdrive recovery time G = 2, 2x output overdrive 240 ns
HD2 Second-order harmonic distortion f = 10 kHz, VO = 2 VPP –131 dBc
HD3 Third-order harmonic distortion f = 10 kHz, VO = 2 VPP –143
eN Input voltage noise f > 10 kHz , 1/f corner at 150 Hz 12 nV/√Hz
iN Input current noise f > 10 kHz , 1/f corner at 900 Hz 0.2 pA/√Hz
Channel-to-channel crosstalk f = 100 kHz, VO = 2 VPP –130 dBc
DC PERFORMANCE
AOL Open-loop voltage gain VO = ±1 V 102 124 dB
VOS Input-referred offset voltage 0.35 1.9 mV
TA = –40°C to +125°C(1) 0.5 2.1
Input offset voltage drift TA = –40°C to +125°C(1) 1.2 5 µV/°C
Input bias current 50 90 nA
TA = –40°C to +125°C(1) 70 115
Input offset current 5 30 nA
INPUT
VICR Common-mode input range VS–– 0.2 VS+–1.1 V
TA = –40°C to +125°C(1)  VS–– 0.1 VS+–1.1
CMRR Common-mode rejection ratio VCM = VS- – 0.2V to VS+ – 1.1 V 86 104 dB
Common-mode input impedance 1050 || 1.1 MΩ||pF
Differential input impedance 1 || 0.2
OUTPUT
VOL Output voltage, low Vs–+0.02 Vs–+0.05 V
VOH Output voltage, high Vs+– 0.1 Vs––0.05
Linear output drive (sourcing/sinking) VO = ±1 V, ΔVOS < 1 mV , VS = 5 V 16 28 mA
VO = ±1 V, ΔVOS < 1 mV , VS = 3 V 11 13.5
ZO Closed-loop output impedance G = 1, IOUT = ±5 mA DC 1.1 mΩ
POWER SUPPLY
VS Specified operating voltage 2.7 5.4 V
IQ Quiescent current per amplifier 170 210 µA
TA = –40°C to +125°C(1) 220 290
PSRR Power-supply rejection ratio ΔVS = 0.3 V 86 103 dB
(1) Based on electrical characterization of 32 devices. Minimum and maximum values are not specified by final automated test equipment (ATE) nor by QA sample testing. Typical specifications are ±1 sigma.