ZHCSEI8C January   2016  – March 2018 OPA197 , OPA2197 , OPA4197

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      OPA197 应用于高压多路复用数据采集系统
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions: OPA197
    2.     Pin Functions: OPA2197 and OPA4197
  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: OPA197
    5. 6.5 Thermal Information: OPA2197
    6. 6.6 Thermal Information: OPA4197
    7. 6.7 Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V)
    8. 6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V)
    9. 6.9 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 Protection Circuitry
      2. 7.3.2 EMI Rejection
      3. 7.3.3 Phase Reversal Protection
      4. 7.3.4 Thermal Protection
      5. 7.3.5 Capacitive Load and Stability
      6. 7.3.6 Common-Mode Voltage Range
      7. 7.3.7 Electrical Overstress
      8. 7.3.8 Overload Recovery
    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 16-Bit Precision Multiplexed Data-Acquisition System
        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 Slew Rate Limit for Input Protection
      3. 8.2.3 Precision Reference Buffer
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 TINA-TI（免费软件下载）
        2. 11.1.1.2 TI 高精度设计
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 相关链接
    4. 11.4 接收文档更新通知
    5. 11.5 社区资源
    6. 11.6 商标
    7. 11.7 静电放电警告
    8. 11.8 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

D and DGK Packages: OPA197
8-Pin SOIC and VSSOP
Top View
OPA197 OPA2197 OPA4197 po_so-8_sbos737.gif
D and DGK Packages: OPA2197
8-Pin SOIC and VSSOP
Top View
OPA197 OPA2197 OPA4197 po_vssop-8_bos516.gif
DBV Package: OPA197
5-Pin SOT
Top View
OPA197 OPA2197 OPA4197 po_sot23-5_bos516.gif
D and PW Packages: OPA4197
14-Pin SOIC and TSSOP
Top View
OPA197 OPA2197 OPA4197 po_so-14_bos516.gif

Pin Functions: OPA197

PIN I/O DESCRIPTION
NAME OPA197
D (SOIC),
DGK (VSSOP)		 DBV (SOT)
+IN 3 3 I Noninverting input
–IN 2 4 I Inverting input
NC 1, 5, 8 — — No internal connection (can be left floating)
OUT 6 1 O Output
V+ 7 5 — Positive (highest) power supply
V– 4 2 — Negative (lowest) power supply

Pin Functions: OPA2197 and OPA4197

PIN I/O DESCRIPTION
NAME OPA2197 OPA4197
D (SOIC),
DGK (VSSOP)		 D (SOIC),
PW (TSSOP)
+IN A 3 3 I Noninverting input, channel A
+IN B 5 5 I Noninverting input, channel B
+IN C — 10 I Noninverting input, channel C
+IN D — 12 I Noninverting input, channel D
–IN A 2 2 I Inverting input, channel A
–IN B 6 6 I Inverting input, channel B
–IN C — 9 I Inverting input,,channel C
–IN D — 13 I Inverting input, channel D
OUT A 1 1 O Output, channel A
OUT B 7 7 O Output, channel B
OUT C — 8 O Output, channel C
OUT D — 14 O Output, channel D
V+ 8 4 — Positive (highest) power supply
V– 4 11 — Negative (lowest) power supply
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