JAJSQO6A August   2023  – December 2024 LOG200

PRODMIX  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 High Speed, Logarithmic Current-to-Voltage Conversion
      2. 6.3.2 Voltage and Current References
      3. 6.3.3 Adaptive Photodiode Bias
      4. 6.3.4 Auxiliary Operational Amplifier
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Logarithmic Transfer Function
        1. 7.1.1.1 Logarithmic Conformity Error
        2. 7.1.1.2 Error Analysis Example
    2. 7.2 Typical Application
      1. 7.2.1 Optical Current Sensing
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 サード・パーティ製品に関する免責事項
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 ドキュメントの更新通知を受け取る方法
    4. 8.4 サポート・リソース
    5. 8.5 Trademarks
    6. 8.6 静電気放電に関する注意事項
    7. 8.7 用語集
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • RGT|16
サーマルパッド・メカニカル・データ
発注情報

4 Pin Configuration and Functions

Figure 4-1 RGT Package, 16-Pin VQFN (Top View)
Figure 4-2 YBH Package, 16-Pin DSBGA (Top View)
Table 4-1 Pin Functions
PIN TYPE DESCRIPTION
NAME NO.
RGT (VQFN) YBH (DSBGA)
+IN 14 B4 Input Auxiliary op-amp voltage non-inverting input
–IN 13 A4 Input Auxiliary op-amp voltage inverting input
I1 1 D4 Input Current input for logarithm numerator
I2 3 D2 Input Current input for logarithm denominator
IBIAS 15 C4 Output Photodiode adaptive biasing current output
IREF 4 D1 Output Reference current output
REFA 10 B3 Input Logarithmic difference amplifier reference input
OUTA 11 A2 Output Logarithmic difference amplifier output
OUTB 12 A3 Output Auxiliary op-amp voltage output
REF165 9 B2 Output 1.65V voltage reference output
REF25 5 C2 Output 2.5V voltage reference output
REFGND 6 C1 Power Voltage reference negative potential
VCM 2 D3 Input Input common-mode voltage
VCM2 16 C3 Input Input common-mode voltage. Connect to VCM.
VS+ 8 A1 Power Positive supply voltage
VS– 7 B1 Power Negative supply voltage
Thermal Pad PAD N/A — Thermal Pad. Connect to VCM to minimize leakage on I1 pin.