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Texas Instruments

LMH32401YR

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SKU: LMH32401YR
$0.00

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Texas Instruments LMH32401 High-Speed Transimpedance Amplifier is a programmable-gain, single-ended, input-to-differential output transimpedance amplifier. The device is ideal for light detection and ranging (LIDAR) applications and laser distance measurement systems. The Texas Instruments LMH32401 device can be configured in a gain of 2kΩ or 20kΩ. The LMH32401 device has 1.5VPP of output swing and is designed to drive a 100Ω load.

The LMH32401 device has an integrated 100mA clamp that protects the amplifier and allows it to recover rapidly from an overloaded input condition. The LMH32401 device also features an integrated ambient light cancellation circuit that can be used instead of AC coupling between the photodiode and the amplifier to save board space in addition to reducing system cost. The ambient light cancellation circuit can be disabled in cases where DC coupling is required.

The LMH32401 device can be placed in low-power mode using the EN pin to conserve power when the amplifier is not being used. Putting the amplifier in low-power mode places its output pins in a high-impedance state. This feature allows several LMH32401 amplifiers to be multiplexed to a single ADC with the EN control pin serving as the multiplexer select function.