General Description

The AS1536/AS1537 are low-power, 12-bit, 73ksps analog-to-digital (A/D) converters specifically designed for single-supply A/D applications. Superior AC characteristics, very low power consumption, and robust packaging make these ultra-small devices perfect for battery-powered analog-data collection devices.

Key Features

12-Bit Resolution with 7.5µs Conversion Time

Sampling Rate: 73ksps

Straight Binary (Unipolar) Data Format

Single-Supply Operation:+2.7V to +5.25V

Internal 2.5V Reference (AS1536)

Low Power-Consumption:

  - 4mW (73ksps, AS1536)

  - 3mW (73ksps, AS1537)

  - 66µW (1ksps, AS1537)

  - 1µW (Shutdown Mode)

Integrated Track/Hold Amplifier

Internal Clock

SPI/QSPI/Microwire 3-Wire Serial Interface

Operating Temperature Range: -40 to +85ºC

8-pin SOIC-150 Package

Applications

The devices are ideal for remote sensors, data-acquisition, data logging devices, lab instruments, or for any other space-limited A/D devices with low power consumption and single-supply requirements.