深圳市中立信电子科技有限公司

AD7171BCPZ-500RL7

模数转换器 - ADC 1CH L/POWER 16-BIT SD GAIN 128 IC

16-Bit, Low Power, Sigma-Delta ADC

GENERAL DESCRIPTION AD7171BCPZ-500RL7

The AD7171 is a very low power, 16-bit, analog-to-digital

converter (ADC). It contains a precision, 16-bit, Σ-Δ ADC and

an on-chip oscillator. Consuming only 135 μA, the AD7171 is

particularly suitable for portable or battery operated products

where very low power is a requirement. The AD7171 also has a

power-down mode in which the device consumes 5 μA, thus

increasing the battery life of the product. 

For ease of use, dedicated pins control all of the features of the

AD7171. Each time a data read occurs, eight status bits are

appended to the 16-bit conversion. These status bits contain a

pattern sequence that can be used to confirm the validity of the

serial transfer.

FEATURES AD7171BCPZ-500RL7

Output data rate: 125 Hz

Pin-programmable power-down and reset

Status function

Internal clock oscillator

Current: 135 μA

Power supply: 2.7 V to 5.25 V

−40°C to +105°C temperature range

Package: 10-lead 3 mm × 3 mm LFCSP

INTERFACE

2-wire serial (read-only device)

SPI compatible

Schmitt trigger on SCLK

APPLICATIONS AD7171BCPZ-500RL7

Weigh scales

Pressure measurement

Industrial process control

Portable instrumentation