Quad Transimpedance Amplifier with Input Current Clamp and Multiplexer for LiDAR

High-Bandwidth Quad TIA with Input Multiplexer for Automotive LIDAR Applications



The MAX40662 is a 4-channel transimpedance amplifier for optical distance measurement receivers in light detection and ranging (LiDAR) applications. Low noise, high gain, low group delay, and fast recovery from overload make this quad TIA ideal for time-of-flight distance-measurement applications. The four input transimpedance stages are multiplexed to a pair of differential outputs. Important features include 2.1pA/ input-referred noise density, an internal current input clamp (up to 2A for 10ns pulses), pin-selectable 25kΩ and 50kΩ transimpedance, and wide 440MHz bandwidth. An offset current input allows optional output offset adjustment to the output voltage. A low-power/standby mode can be used to help reduce average power supply current between pulses.

The MAX40662 is available in a 16-pin, 4mm x 4mm, TQFN package with side-wettable flanks and is specified over the -40°C to +125°C automotive operating temperature range.

MAX40662: Functional Diagram MAX40662: Functional Diagram 放大+


  • AEC-Q100
  • Enables ASIL Compliance (FMEDA Available upon Request)
  • Internal Multiplexer
  • Bandwidth = 440MHz (typ), 300MHz (min) 
  • Low Noise: 2.1pA/
  • Optimized for CIN = 0.5pF to 5pF
  • Two Pin-Selectable Transimpedance Values
    • 25kΩ
    • 50kΩ
  • OFFSET Input ​Enables DC Offset Cancellation from Photodiode at IN_ Input
  • LP Input Reduce Power Dissipation bBetween Pulses
  • Internal Clamps for Input Current Upto 2A For 10ns Pulses
  • 3.3V Operation
  • 16-Pin, 4mm x 4mm TQFN Package with Side-Wettable Flanks


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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX40662EVKIT: Evaluation Kit for the MAX40662


  • MAX40662 Orcad Library
  • 申请可靠性报告: MAX40662 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    30ns, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparator

    • Fast, 30ns Propagation Delay (10mV Overdrive)
    • Low-Power 100μA Supply Current (VDD = 3V)
    • Optimized for 3V and 5V Applications

    1V, Low-Power, Precision Operational Amplifier

    • Supply Voltage Range: 0.9V to 3.6V
    • Low 25.5µA Quiescent Current
    • Very Low 1μV (typ) Input Offset Voltage

    High-Speed Quad Driver with Integrated DACs, Cable-Droop Compensation, Slew-Rate Control, and VHH Fourth-Level Drive

  • Low Power at High-Speed Maximizes Driver Performance
    • 700mW per Channel
    • 2.57Gbps at +1V Programmed
    • 280ps Typical Rise/Fall Times at +2V (20% to 80%)
  • Integrated Functionality Provides Value-Added Features
    • Programmable Double Time Constant Cable-Droop Compensation
    • Digital Slew-Rate Control for EMI Sensitive Applications
    • Adjustable Output Resistance with 360mΩ Resolution

  • MAX40662
    Quad Transimpedance Amplifier with Input Current Clamp and Multiplexer for LiDAR

    • AEC-Q100
    • Enables ASIL Compliance (FMEDA Available upon Request)
    • Internal Multiplexer