SBOS908A November   2017  – December 2017 OPA2333P

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: OPA2333P
    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 Operating Voltage
      2. 7.3.2 Input Voltage
      3. 7.3.3 Internal Offset Correction
      4. 7.3.4 Achieving Output Swing to the Op Amp Negative Rail
      5. 7.3.5 Specified Start-Up Performance
      6. 7.3.6 WSON Package
    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 Bidirectional Current-Sensing
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 High-Side Voltage-to-Current (V-I) Converter
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
      3. 8.2.3 Other Applications
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 General Layout Guidelines
      2. 10.1.2 WSON (DFN) 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 Documentation Support
      1. 11.2.1 Related Documentation
    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

1 Features

  • Low Offset Voltage: 10 μV (Maximum)
  • Zero Drift: 0.05 μV/°C (Maximum)
  • Specified Start-Up Time: 500 μs (Maximum)
  • 0.01-Hz to 10-Hz Noise: 1.1 μVPP
  • Quiescent Current: 17 μA
  • Single-Supply Operation
  • Supply Voltage: 1.8 V to 5.5 V
  • Rail-to-Rail Input/Output
  • microSize Package: 2-mm × 2-mm WSON

2 Applications

  • Smartphones
  • Wearables
  • Fitness and Healthcare Products
  • Electronic Scales
  • Medical Instrumentation
  • Battery-Powered Instruments
  • Handheld Test Equipment
  • Circuit Breakers

3 Description

The OPA2333P is a CMOS operational amplifier that uses a proprietary auto-calibration technique to simultaneously provide very low offset voltage (10 μV, maximum) and near-zero drift over time and temperature. This miniature, high-precision, low quiescent current amplifier offers high-impedance inputs that have a common-mode range 100 mV beyond the rails, and rail-to-rail output that swings within 50 mV of the rails. Single or dual supplies as low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V) can be used. This device is optimized for low-voltage, single-supply operation.

The OPA2333P also features a specified maximum start-up time. Specified start-up time ensures high-precision performance after 500 μs of powering the amplifier, allowing for reliable use in dynamic supply operation.

The OPA2333P offers excellent CMRR without the crossover associated with traditional complementary input stages. This design results in superior performance for driving analog-to-digital converters (ADCs) without degradation of differential linearity.

The OPA2333P is available in a 2-mm × 2-mm 8-pin WSON package and is specified for operation from –40°C to 125°C.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
OPA2333P WSON (8) 2.00 mm × 2.00 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Bidirectional, Low-Side Current Shunt Amplifier

OPA2333P schem_Isense_FrontPage2.gif

Offset Voltage vs Temperature

OPA2333P frontpage_Offset_vs_Temp.gif