JAJSI19D October   2019  – January 2023 LMH32401

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics: Gain = 2 kΩ
    6. 6.6 Electrical Characteristics: Gain = 20 kΩ
    7. 6.7 Electrical Characteristics: Both Gains
    8. 6.8 Electrical Characteristics: Logic Threshold and Switching Characteristics
    9. 6.9 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Switched Gain Transimpedance Amplifier
      2. 7.3.2 Clamping and Input Protection
      3. 7.3.3 ESD Protection
      4. 7.3.4 Differential Output Stage
    4. 7.4 Device Functional Modes
      1. 7.4.1 Ambient Light Cancellation (ALC) Mode
      2. 7.4.2 Power-Down Mode (Multiplexer Mode)
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  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
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 ドキュメントの更新通知を受け取る方法
    4. 11.4 サポート・リソース
    5. 11.5 Trademarks
    6. 11.6 静電気放電に関する注意事項
    7. 11.7 用語集
  12. 12Mechanical, 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
  • Y|0
サーマルパッド・メカニカル・データ
発注情報

Typical Characteristics

At VDD = 3.3 V, VOCM = open, VOD = 0 V, CPD = 1 pF, EN = 0 V (enabled), IDC_EN = 3.3 V (disabled), RL = 100 Ω (differential load between OUT+ and OUT–), and TA = 25°C (unless otherwise noted).

GUID-A951E9A6-D286-4927-BA24-67BA04362B0E-low.gif
Gain = 2 kΩ, VOUT = 100 mVPP
Figure 6-1 Small Signal Response vs Input Capacitance
GUID-48048D22-2148-4C6E-8D8A-17740DFBCE46-low.gif
Gain = 2 kΩ, VOUT = 1 VPP
Figure 6-3 Large Signal Response vs Input Capacitance
GUID-F56352EF-8A01-429F-A198-AF53D01B4B39-low.gif
Gain = 2 kΩ, VOUT = 100 mVPP
Figure 6-5 Small Signal Response vs Load Capacitance
GUID-F985305F-5A7D-4ED2-900A-6C87A00A31FB-low.gif
Gain = 2 kΩ, CIN = PCB
Figure 6-7 Small Signal Response vs Ambient Temperature
GUID-A17B3302-1630-4C51-B8B9-EEAA0D0B464A-low.gif
IDC_IN = 100 µA
Figure 6-9 Low-side Frequency Response vs Ambient Light Cancellation
GUID-C57CE110-8B26-4558-9DBD-AD6C50D671AB-low.gif
Gain = 2 kΩ
Figure 6-11 Input Noise Density vs Input Capacitance
GUID-6FAF7D6A-5617-43E4-AE87-99C9310A9AAA-low.gif
Gain = 2 kΩ
Figure 6-13 Input Noise Density vs Load Capacitance
GUID-7373E897-5BAF-4138-BFA4-9858CF2AC5CD-low.gif
Gain = 2 kΩ
Figure 6-15 Input Noise Density vs Ambient Light DC Current
GUID-42BBD3E3-8D52-48D4-A2D4-B1D9DC49A6A5-low.gif
Gain = 20 kΩ
Figure 6-17 Input Noise Density vs Ambient Temperature
GUID-D046E099-2280-425E-845C-F66BFF50395A-low.gif
Gain = 2 kΩ
Figure 6-19 Pulse Response vs Output Swing
GUID-162AB22E-3ED2-4A27-A8B6-97D1C553875D-low.gif
Gain = 2 kΩ
Figure 6-21 Overloaded Pulse Response
GUID-84492B16-971F-425F-AC34-3410115DF85F-low.gif
Gain = 2 kΩ
Figure 6-23 Turn-On Time
GUID-741902A3-5647-46A1-ACE3-D5B9810F7569-low.gif
Gain = 2 kΩ, VOD = 0.5 V
Figure 6-25 Turn-Off Time
GUID-178D7BAC-6B05-48EF-B9F8-50F599B3D49F-low.gif
Gain = 2 kΩ, IDC_IN = 0 µA → 100 µA (1)
Figure 6-27 Ambient Loop Cancellation Settling Time
GUID-1C173C69-9C7B-4247-858B-4B461AD86261-low.gif
Gain = 20 kΩ, IDC_IN = 0 µA → 100 µA1
Figure 6-29 Ambient Loop Cancellation Settling Time
GUID-7941D051-35E9-4EF8-9950-1509E1D1AE6B-low.gif
Gain = 2 kΩ, positive current is sinking current into the photodiode's cathode
Figure 6-31 Transimpedance Gain vs Input Current
GUID-507138E4-A832-4BF9-9E79-A44FFBF56B88-low.gif
Gain = 2 kΩ
Figure 6-33 Transimpedance Gain vs Ambient Temperature
GUID-2DB63992-EF5F-4ADE-BA60-176EA993CAE3-low.gif
Figure 6-35 Input Bias Voltage vs Supply Voltage
GUID-4C5A55F1-2FCD-4257-A5A2-71EE5C569085-low.gif
Figure 6-37 Quiescent Current vs Ambient Temperature
GUID-60ECA1D4-CE23-4176-A60E-FB90F1D54B64-low.gif
VOD = 0.75 V, VOCM = 1.4 V
Figure 6-39 High-side Swing vs Input Current
GUID-6D3E95A8-5AE4-48DC-9BA3-0159CA42932D-low.gif
Figure 6-41 Differential Output Offset Gain
GUID-FBC99214-0BD4-4B66-AF2F-CEA39938E65B-low.gif
Logic switching demonstrated using EN pin. IDC_EN and gain pins behave similarly.
Figure 6-43 Logic Threshold vs Ambient Temperature
GUID-2EB516FE-107E-4C90-AA60-E94DBDD6B407-low.gif
Figure 6-45 Transimpedance Gain (Low) Distribution
GUID-7A559C2C-4C3D-4862-991C-7FDE084C27A0-low.gif
Figure 6-47 Output Common-Mode Voltage (VOCM) Distribution
GUID-203505A2-4DFE-47EA-B99F-D6B0FE19EFE2-low.gif
Amplifier Enabled
Figure 6-49 Differential Output Impedance (ZOUT) Distribution
GUID-3323626A-BC36-48CC-BDCA-F447B55522E2-low.gif
Gain = 20 kΩ, VOUT = 100 mVPP
Figure 6-2 Small Signal Response vs Input Capacitance
GUID-F4F159F5-6CC9-4EBA-AB78-736CBD36B928-low.gif
Gain = 20 kΩ, VOUT = 1 VPP
Figure 6-4 Large Signal Response vs Input Capacitance
GUID-50EDC4DE-EF51-4FC4-A3C9-664D9BF7D38A-low.gif
Gain = 20 kΩ, VOUT = 100 mVPP
Figure 6-6 Small Signal Response vs Load Capacitance
GUID-54C15ECD-957B-44F9-A300-E9354C20B0BC-low.gif
Gain = 20 kΩ, CIN = PCB
Figure 6-8 Small Signal Response vs Ambient Temperature
GUID-E176B4C0-3D10-4A99-831A-B3E9A8B97FE2-low.gif
Gain = 2 kΩ
Figure 6-10 Closed-loop Output Impedance vs Frequency
GUID-DDBE1A62-291B-4A75-B699-B50BD852CED3-low.gif
Gain = 20 kΩ
Figure 6-12 Input Noise Density vs Input Capacitance
GUID-2AA5AF55-51B2-41EC-B35E-14EBE39F780C-low.gif
Gain = 20 kΩ
Figure 6-14 Input Noise Density vs Load Capacitance
GUID-0B681C5F-50E5-4CF6-88E3-FA852E173D8F-low.gif
Gain = 20 kΩ
Figure 6-16 Input Noise Density vs Ambient Light DC Current
GUID-2BD13CEA-D208-4F22-906F-8390EB001EAD-low.gif
Gain = 20 kΩ
Figure 6-18 Output Noise Density vs Output Configuration
GUID-1C6C56C6-958B-4148-9AA7-888EC54F4743-low.gif
Gain = 20 kΩ
Figure 6-20 Pulse Response vs Output Swing
GUID-0F6F4122-2372-4DCA-89FF-FF48086B6D21-low.gif
Gain = 20 kΩ
Figure 6-22 Overloaded Pulse Response
GUID-D1640947-14E0-472A-B002-55FA8499352A-low.gif
Gain = 20 kΩ
Figure 6-24 Turn-On Time
GUID-60C32C24-7370-4D08-B1D7-2282C3034749-low.gif
Gain = 20 kΩ, VOD = 0.5 V
Figure 6-26 Turn-Off Time
GUID-4C36CC4E-39F4-45D9-BF4D-349E05240CA7-low.gif
Gain = 2 kΩ, IDC_IN = 100 µA → 0 µA1
Figure 6-28 Ambient Loop Cancellation Settling Time
GUID-B862B643-73B4-45FD-BD56-29E361C61CE9-low.gif
Gain = 20 kΩ, IDC_IN = 100 µA → 0 µA1
Figure 6-30 Ambient Loop Cancellation Settling Time
GUID-83079F7B-33F3-4F75-8B3E-E9940A8B6753-low.gif
Gain = 20 kΩ, positive current is sinking current into the photodiode's cathode
Figure 6-32 Transimpedance Gain vs Input Current
GUID-02DE7303-E2E0-446E-9843-778E4391D2AD-low.gif
Gain = 20 kΩ
Figure 6-34 Transimpedance Gain vs Ambient Temperature
GUID-B621F37C-14FE-48EF-AF2A-DAB6D171B63A-low.gif
Gain = 20 kΩ
Figure 6-36 Input Bias Voltage vs Ambient Temperature
GUID-B2EDEB86-2980-475B-89D2-8665E1FF3EFD-low.gif
Figure 6-38 Quiescent Current vs Supply Voltage
GUID-2B4D51DB-764C-4FCA-8C76-9923297073D6-low.gif
VOD = 0.75 V, VOCM = 0.8 V
Figure 6-40 Low-side Swing vs Input Current
GUID-26D085AE-84FB-445D-A726-CFE67787FAFC-low.gif
Figure 6-42 Ambient Light Cancellation Range vs Ambient Temperature
GUID-228E15C8-AC5B-462E-A7ED-8AD044CB1F6C-low.gif
Figure 6-44 Quiescent Current Distribution
GUID-B651DEF1-2621-433E-9488-7700895A08FF-low.gif
Gain = 20 kΩ
Figure 6-46 Transimpedance Gain (High) Distribution
GUID-AEE2F164-D9F4-4298-9CBC-8FCD3C6E8387-low.gif
Figure 6-48 Differential Output Offset Voltage (VOD) Distribution
GUID-A9D81B44-ECA5-4EA8-8E46-A4983003B546-low.gif
Amplifier Disabled
Figure 6-50 Differential Output Impedance (ZOUT) Distribution
Current due to ambient light transitions at t = 0 in.