SBOSAF0A april   2023  – august 2023 LMH32401-Q1

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Revision History
  6. Pin Configuration and Functions
  7. 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
  8. 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)
  9. 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
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Development Support
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

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, VVOD = 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 (current due to ambient light transitions at the lowest displayed value of the time axis)
Figure 6-27 Ambient Loop Cancellation Settling Time
GUID-1C173C69-9C7B-4247-858B-4B461AD86261-low.gif
Gain = 20 kΩ, IDC_IN = 0 µA → 100 µA (current due to ambient light transitions at the lowest displayed value of the time axis)
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 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
VVOD = 0.75 V, VVOCM = 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, VVOD = 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 µA (current due to ambient light transitions at the lowest displayed value of the time axis)
Figure 6-28 Ambient Loop-Cancellation Settling Time
GUID-B862B643-73B4-45FD-BD56-29E361C61CE9-low.gif
Gain = 20 kΩ, IDC_IN = 100 µA → 0 µA (current due to ambient light transitions at the lowest displayed value of the time axis)
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 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
VVOD = 0.75 V, VVOCM = 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