SBOS073C September   1997  – August 2016 OPA2340 , OPA340 , OPA4340

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 - OPA340
    5. 6.5 Thermal Information - OPA2340
    6. 6.6 Thermal Information - OPA4340
    7. 6.7 Electrical Characteristics
    8. 6.8 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 Rail-to-Rail Input
      3. 7.3.3 Rail-to-Rail Output
      4. 7.3.4 Capacitive Load and Stability
      5. 7.3.5 Driving A/D Converters
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Single-Pole, Low-Pass Filter
        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 Two-Pole, Low-Pass Filter
        1. 8.2.2.1 Detailed Design Procedure
        2. 8.2.2.2 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™ (Free Software Download)
        2. 11.1.1.2 DIP Adapter EVM
        3. 11.1.1.3 Universal Operational Amplifier EVM
        4. 11.1.1.4 TI Precision Designs
        5. 11.1.1.5 WEBENCH Filter Designer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Related Links
    4. 11.4 Receiving Notification of Documentation Updates
    5. 11.5 Community Resources
    6. 11.6 Trademarks
    7. 11.7 Electrostatic Discharge Caution
    8. 11.8 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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订购信息

1 Features

  • Rail-to-Rail Input
  • Rail-to-Rail Output (Within 1 mV)
  • MicroSize Packages
  • Wide Bandwidth: 5.5 MHz
  • High Slew Rate: 6 V/µs
  • Low THD + Noise: 0.0007% (f = 1 kHz)
  • Low Quiescent Current: 750 µA/Channel
  • Single, Dual, and Quad Versions

2 Applications

  • Driving A/D Converters
  • PCMCIA Cards
  • Data Acquisition
  • Process Control
  • Audio Processing
  • Communications
  • Active Filters
  • Test Equipment

3 Description

The OPA340 series rail-to-rail CMOS operational amplifiers are optimized for low-voltage, single-supply operation. Rail-to-rail input and output and high-speed operation make them ideal for driving sampling analog-to-digital (A/D) converters. They are also well-suited for general purpose and audio applications as well as providing I/V conversion at the output of digital-to-analog (D/A) converters. Single, dual, and quad versions have identical specifications for design flexibility.

The OPA340 series operate on a single supply as low as 2.5 V with an input common-mode voltage range that extends 500 mV below ground and 500 mV above the positive supply. Output voltage swing is to within 1 mV of the supply rails with a 100-kΩ load. These devices offer excellent dynamic response
(BW = 5.5 MHz, SR = 6 V/µs), yet quiescent current is only 750 A. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

The single (OPA340) packages are the tiny 5-pin SOT-23 surface mount, 8-pin SOIC surface mount, and 8-pin DIP. The dual (OPA2340) comes in the miniature 8-pin VSSOP surface mount, 8-pin SOIC surface mount, and 8-pin PDIP packages. The quad (OPA4340) packages are the space-saving 16-pin SSOP surface mount and 14-pin SOIC surface mount. All are specified from –40°C to 85°C and operate from –55°C to 125°C. A SPICE macromodel is available for design analysis.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
OPA340 SOT-23 (5) 3.00 mm × 3.00 mm
OPA340, OPA2340 PDIP (8) 9.81 mm × 6.35 mm
SOIC (8) 4.90 mm × 3.91 mm
OPA2340 VSSOP (8) 3.00 mm × 3.00 mm
OPA4340 SOIC (14) 8.65 mm × 3.91 mm
SSOP (16) 4.90 mm × 3.90 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

OPA340 in Noninverting Configuration Driving ADS7816

OPA340 OPA2340 OPA4340 ai_noninvert_bos073.gif