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Overview

The AD7173-8BCPZ is a high-precision, low-power, multichannel sigm-δ analog-to-digital converter (ADC) available in 8-channel fully differential or 16-channel single-ended input configurations ‌. With an integrated precision analog front end, 24-bit resolution and flexible configuration options, the AD7173-8BCPZ is ideal for industrial and medical applications where noise suppression and dynamic performance are critical ‌.

Core performance parameter

Resolution and sampling rate ‌ : AD7173-8BCPZ provides 24-bit code-free resolution with a maximum sampling rate of 31.25 kS/s, taking into account high precision and fast response ‌.

Input type ‌ : AD7173-8BCPZ supports fully differential or single-ended inputs with an input range of ± 2.5V and an integrated programmable gain amplifier (PGA) ‌.

Interface and power consumption ‌ : AD7173-8BCPZ adopts SPI compatible interface and supports 3-wire communication; Operating voltage range 2 V to 5.5 V, typical power consumption as low as 28 mW, suitable for low power system design ‌.

Environmental adaptability ‌ : The AD7173-8BCPZ operates from -40°C to +105°C and is packaged as LFCSP-40 with industrial-grade reliability ‌.

Functional characteristics

The AD7173-8BCPZ improves system performance by:

Integrated Precision reference source ‌ : The AD7173-8BCPZ has a built-in 2.5V low drift (3.5ppm /°C) bandgap reference voltage source, reducing the need for external components ‌.

Configurable digital filter ‌ : AD7173-8BCPZ supports a variety of filter modes such as Sinc5+Sinc1, Sinc3, etc. Optimized noise suppression and channel switching speed ‌.

Diagnostic function ‌ : AD7173-8BCPZ integrates CRC check, temperature sensor, cross point multiplexer, etc. to enhance system security and maintainability ‌.

Application scenario

Industrial automation ‌ : AD7173-8BCPZ is widely used in PLC/DCS module, pressure/temperature/flow sensor signal acquisition ‌.

Medical equipment ‌ : AD7173-8BCPZ can be used for multi-channel physiological signal monitor, chromatographic analysis instrument ‌.

Precision measurement ‌ : AD7173-8BCPZ is suitable for high resolution data acquisition systems such as earthquake monitoring and chemical analysis ‌.

Energy management ‌ : AD7173-8BCPZ for current/voltage detection in battery management systems (BMS), smart meters ‌.

In summary, the AD7173-8BCPZ reduces system complexity through a highly integrated design (analog front end, reference source, diagnostic module), while meeting the demands of harsh environments with 24-bit accuracy and low power consumption ‌. Its multi-channel configuration and programmable filters further expand the application scenario and become a cost-effective solution for industrial, medical and scientific research ‌.