LMH32404 Multiplexed Transimpedance Amplifier Datasheet


Texas Instruments
Part Number LMH32404
Manufacturer Texas Instruments (https://www.ti.com/)
Title Amplifier IC Development Tools 250-MHz, quad-channel, differential output transimpedance amplifier evaluation module
Description The LMH32404 is a quad-channel, single-ended-input to differential-output transimpedance amplifier (TIA) for light detection and ranging (LIDAR) applications and laser distance measurement systems. The LMH32404 has an integrated 100-mA clamp on each channel that protects the amplifier and allows t...
• Gain: 20 kΩ
• Performance, CPD = 1 pF:
  – Bandwidth: 350 MHz
  – Input-referred noise: 56 nARMS
  – Rise, fall time: 1.25 ns
• Quiescent current: 28 mA/channel
• Standby mode: 10 mA/channel
• Low power mode: 2.5 mA (4 channels)
• Channel switching time: 10 ns
• Integrated ambient light cancellation
• Integrated 100-mA protection clamp
• 4 Input channels and 4 differential output channels
• Integrated multiplexer enables flexible configurability between optical sensor and ADC/TDC
• Multiple LMH32404s can be combined in parallel to create a wider field-of-view (FoV)
• Package: 28-pin VQFN
  – Bare d...

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Texas Instruments
Part Number LMH32401
Manufacturer Texas Instruments
Title Differential Output Transimpedance Amplifier
Description The LMH32401 device is a programmablegain, single-ended, input-to-differential output transimpedance amplifier for light detection and ranging (L.
• Integrated programmable gain: 2 kΩ or 20 kΩ
• Performance, gain = 2 kΩ, CPD = 1 pF:
  – Bandwidth: 450 MHz
  – Input-referred noise: 250 nARMS
  – Rise, fall time: 0.8 ns
• Performance, gain = 20 kΩ, CPD = 1 pF:
  – Bandwidth: 275 MHz
  – Input-referred noise: 49 nARMS
  – Rise, fall time: 1.3 ns
• Integrated.

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