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The AD7770ACPZ is an 8-channel synchronous sampling ADC. Eight complete Σ-Δ type ADCs are integrated on-chip. The AD7770ACPZ offers a low input current, allowing for direct connection to sensors. Each input channel has a programmable gain stage with gains of 1, 2, 4 and 8, which can map the low-amplitude sensor output to the full-scale ADC input range, thereby maximizing the dynamic range of the signal chain.

The AD7770ACPZ has the following main parameters:

Digit number: 24

Sampling rate (per second) : 32k

Input number: 8

Input type: Differential, single-ended

Data interface: SPI

Configuration: MUX-PGA-ADC

Ratio -S /H:ADC: 1:1

Number of A/D converters: 8

Architecture: Triangular integral

Reference types: External, Internal

Voltage - Power supply, simulation: 2.2V to 3.6V

Voltage - Power supply, number: -

Feature: PGA, Synchronous Sampling

Operating temperature: -40°C to 125°C

Package/Shell: 64-LFCSP

Installation type: Surface mount type

Application scenarios

The AD7770ACPZ is suitable for applications that require high-precision analog-to-digital conversion, especially in fields such as sensor signal processing, industrial automation, and medical equipment, where it is widely used. Its high precision, low noise and programmable gain characteristics make it excel in precision measurement and control systems ‌.

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