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The ADA4352-2ACPZ is a compact, dual-channel, complete programmable gain transpump-amplifier and AFE solution, available in a 3 mm x 3 mm 16-pin LFCSP package. Rapid prototyping design can be achieved.

Its main features include:

Precise current-to-voltage (I to V) conversion

Programmable Gain TIA

Photodetector interface and amplification

Optical network equipment

Optical power measurement

Instruments - Spectroscopy and chromatography

Precision Data Acquisition System (DAQ)

Characteristics

Small, dual-channel, complete PGTIA and AFE solutions

Small size package: 16-pin LFCSP, 3mm × 3mm

Each channel integrates 4 internal gains

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 range, minimum 100 picoamperes to milliamperes

Outstanding DC accuracy

Low offset voltage: up to ±100 μV at 25°C

Low offset voltage drift: ±0.85 μV/°C maximum value, -40 °C to +125°C

The maximum impedance of the low-switch integrated switch is 19Ω, ranging from -40 °C to +125°C

Outstanding dynamic performance

Range 0, stabilization time 1 μs

Range 1 stabilization time: 2 μs

The establishment time of Range 2 is 5 μs

Range 3 stabilization time: 10 μs

The Kelvin connection architecture eliminates gain errors as the switching resistance varies with temperature.

Single power supply: + 2.7V to + 5.5V (Dual power supply: +± 1.85V to ± 2.75V)

Wide gain bandwidth product: 8.5 MHz

Wide operating temperature range: -40 °C to +125°C

Explanation

The ADA4352-2ACPZ is a compact single-chip dual-channel, precise, programmable gain transpedance amplifier (PGTIA). This product is a breakthrough solution that can precisely measure small currents over a wide dynamic range. The ADA4352-2ACPZ offers accuracy within a wide temperature range from -40 °C to 125°C, enabling users to calibrate terminal devices at room temperature once, thereby saving testing time and costs. The ADA4352-2ACPZ integrates four current-voltage gain options for each channel, and the gain can be programmed using the two logic pins of each channel to provide a flexible and fully functional compact PGTIA solution. In addition, with its robust output stage and low noise, the ADA4352-2ACPZ can directly drive 16-bit precision analog-to-digital converters (ADCs, such as the AD4696), providing a complete analog front end (AFE) to meet the most challenging precision current measurement applications.

The ADA4352-2ACPZ is available in a 3mm × 3mm LFCSP package. Reducing the area of the printed circuit board (PCB) by up to 10 times compared to using an independent discrete design, the performance of operational amplifiers (op amps) and switches is reduced.

Application field

The ADA4352-2ACPZ is widely used in various fields that require high-precision current measurement, including:

Precision current-to-Voltage Conversion ‌ : ADA4352-2ACPZ converts tiny current signals to voltage signals for measurement.

Photodetector interface and amplification ‌ : ADA4352-2ACPZ for signal amplification and processing in photodetectors such as photodiodes.

Optical network equipment ‌ : Measuring optical power in optical communication systems.

Instrument spectroscopy and chromatography ‌ : For precise measurement and analysis in scientific instruments.

Precision Data acquisition system ‌ : provides stable signal amplification and processing in applications requiring high-precision data acquisition.

Performance parameters

Number of channels: 2 channels

GBP- Gain Bandwidth product: 8.5 MHz

SR - Conversion rate: 8.2 V/us

The output current of each channel: 20 mA

Ib - Input bias: 0.12 nA

Vos - Input bias voltage: 20 uV

Power supply voltage - Maximum: 5.5V

Power supply voltage - minimum: 2.7V

Working power supply current: 3.3 mA

Minimum operating temperature: -40 ° C

Maximum operating temperature: + 125 ° C

Installation style: SMD/SMT

Package/Box: LFCSP-16

If you want to purchase ADA4352-2ACPZ amplifier, please visit the website (www.hkmjd.com) to contact Mingjiada electronics online.