ADA4352-2
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ADA4352-2

Dual-Channel, Precision, Programmable Gain Transimpedance Amplifier (PGTIA) with Integrated Gain Resistors

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Part Details
Part Models 3
1ku List Price
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Features
  • Small, dual-channel, complete PGTIA and AFE solution
    • Small size package: 16-lead LFCSP, 3 mm × 3 mm
    • Integrated four internal gains per channel
    • Range 0, internal RF = 315 Ω
    • Range 1, internal RF = 3.5 kΩ
    • Range 2, internal RF = 40.2 kΩ
    • Range 3, internal RF = 450 kΩ
  • Wide input current dynamic ranges from 100 picoamps to milliamps
  • Excellent DC precision
    • Low offset voltage: ±100 μV maximum, 25°C
    • Low offset voltage drift: ±0.85 μV/°C maximum, −40°C to +125°C
    • Low switch integrated switch impedance 19Ω maximum, −40°C to +125°C
  • Excellent dynamic performance
    • Range 0 settling time 1 µs
    • Range 1 settling time 2 µs
    • Range 2 settling time 5 µs
    • Range 3 settling time 10 µs
  • Kelvin-connected architecture eliminates gain error due to switch resistance over temperature.
  • Single-supply operation: +2.7 V to +5.5 V (dual-supply operation: ±1.85 V to ±2.75 V)
  • Wide gain bandwidth product: 8.5 MHz
  • Wide operating temperature range: −40°C to +125°C
Additional Details
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The ADA4352-2 is a compact, monolithic, dual-channel, precision, programmable gain transimpedance amplifier (PGTIA). The ADA4352-2 is a breakthrough solution for precisely measuring small currents over a wide dynamic range. The precision of the ADA4352-2 over a wide temperature range of −40°C to +125°C enables users to perform one calibration of the end equipment at room temperature, thereby saving test time and cost. The ADA4352-2 integrates four current-to-voltage gain selections per channel, and the gain is programmable using two logic pins per channel to provide a flexible, fully functional compact PGTIA solution. Additionally, with its robust output stage and low noise, the ADA4352-2 can directly drive 16-bit precision analog-to-digital converters (ADCs, such as AD4696), providing a complete analog front-end (AFE) to address the most challenging precision current measurement applications.

The ADA4352-2 is offered in a 3 mm × 3 mm LFCSP, reducing the printed circuit board (PCB) area by up to 10 times relative to a discrete design using standalone operational amplifiers (op amps) and switches.

Applications

  • Precision current to voltage (I to V) conversion
  • Programmable gain TIAs
  • Photodetector interface and amplification
  • Optical networking equipment
  • Optical power measurement
  • Instrumentation—spectroscopy and chromatography
  • Precision data acquisition systems (DAQ)
Part Models 3
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADA4352-2ACPZ
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ADA4352-2ACPZ-R7
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ADA4352-2ACPZ-RL
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Software & Part Ecosystem

Software & Part Ecosystem

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