MAX40660
High-Bandwidth Automotive Transimpedance Amplifier with Fast Output Recovery and Input Current Clamp for LiDAR
High Bandwidth TIA with Low Power Mode for Automotive LiDAR Applications
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Overview
Features and Benefits
- AEC-Q100
- Enables ASIL Compliance (FMEDA Available UponRequest)
- MAX40660
- Optimized for CIN = 0.25pF to 5pF
- Bandwidth = 490MHz (Typ)
- MAX40661
- Optimized for CIN = 5pF to 12pF
- Bandwidth (CIN = 10pF) = 160MHz (Typ), 100MHz (Min)
- Low Noise
- Two Pin-Selectable Transimpedance Values
- 25kΩ
- 50kΩ
- Internal Clamp For Input Current Up To 2A (Transient)
- Fast Overload Recovery: 2ns at 100mA
- Offset Input Provides Offset Adjust Feature
- LP Input Reduces Power Dissipation Between Pulses
- 3.3V Operation
- 10-Pin TDFN (Side-Wettable) or Bare Die
Product Details
The MAX40660/MAX40661 are transimpedance amplifiers for optical distance measurement receivers in LiDAR applications. Low noise, high gain, low group delay, and fast recovery from overload make these TIAs ideal for distance-measurement applications. Important features include 2.1pA input-referred noise density (MAX40660), an internal input clamp, pin-selectable 25kΩ and 50kΩ transimpedance, and wide bandwidth (490MHz (typ) for the MAX40660 with 0.5pF input capacitance and 25kΩ transimpedance; 160MHz (typ) for the MAX40661 with 10pF input capacitance). An offset current input allows optional adjustment of input offset current. A low-power/standby control input reduces the supply current by better than 80% to help reduce average power supply current between pulses. The MAX40660/MAX40661 transimpedance amplifiers feature AEC-Q100 qualification over the -40°C to +125°C automotive operating temperature range and are available in a 3mm x 3mm, 10-lead TDFN package with side-wettable flanks, making them excellent choices for automotive LiDAR applications.
In addition to the TDFN package, the MAX40660 is available as bare die.
Applications
- Automotive Applications
- Autonomous Driving Systems
- Industrial Safety Systems
- LIDAR Receivers
- Optical Distance Measurement
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.