TI OPA858IDSGT

The OPA858 is a low-noise operational amplifier with CMOS inputs, suitable for broadband transimpedance and voltage amplifier applications. When the device is configured as a transimpedance amplifier (TIA), its 5.5GHz gain-bandwidth product (GBWP) can support applications that require high closed-loop bandwidth at transimpedance gains ranging from tens to hundreds of kilohms. The OPA858 package features a feedback pin (FB), which simplifies the connection of the feedback network between the input and output. The OPA858 is optimized for optical time-of-flight (ToF) systems and can be paired with high-speed analog-to-digital converters (ADCs) and differential output amplifiers (such as the THS4541 or LMH5401) used to drive the ADCs in high-resolution lidar systems.

• High gain-bandwidth product: 5.5GHz decompensated, gain ≥7V/V (stable)
• Ultra-low bias current MOSFET input: 10pA
• Low input voltage noise: 2.5nV/√Hz
• Slew rate: 2000V/μs
• Low input capacitance:
  • Common-mode: 0.6pF
  • Differential: 0.2pF
• Wide input common-mode range: 1.4V from positive supply, including negative supply
• Output swing of 2.5VPP in TIA configuration
• Supply voltage range: 3.3V to 5.25V
• Quiescent current: 20.5mA
• 8-pin WSON package
• Temperature range: –40 to +125°C

• High-speed transimpedance amplifier
• Laser ranging
• LiDAR receiver
• Level transmitter (optical)
• Optical time-domain reflectometry (OTDR)
• Distributed temperature sensing
• 3D scanner
• Time-of-Flight (ToF) systems
• Autonomous driving systems