●Product Details
●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.
●The output data rate of the AD7171 is 125 Hz, whereas the settling time is 24 ms. The AD7171 has one differential input and a gain of 1. This is useful in applications where the user needs to use an external amplifier to implement system-specific filtering or gain requirements.
●The AD7171 operates with a power supply from 2.7 V to 5.25 V. It is available in a 10-lead LFCSP.
●The AD7170 is a 12-bit version of the AD7171. It has the same feature set as the AD7171 and is pin-for-pin compatible.
●Applications
● Weigh scales
● Pressure measurement
● Industrial process control
● Portable instrumentation
●### Features and Benefits
● 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
