
austriamicrosystems AG
General Description
The AS1545 is a dual, 12-bit, 6-channel, 1 MSPS, high speed, successive approximation (SAR) analog-to-digital converters (ADCs). The AS1545 is designed to operate with a single +2.7V to +5.25V supply and a sampling rate of up to 1 MSPS.
KEY FEATUREs
Sampling Rate: 1MSPS per ADC
Dual 12-bit serial interface
Software Configurable Analog Input Types:
- 12-Channel Single-Ended
- 6-Channel Pseudo-Differential
- 6-Channel Fully Differential
Internal +2.5V Reference or External: 1V to VDD
Rail to Rail Common Mode Input Range
Low-Power Consumption
- 15mW max. at 1MSPS with 2.7V supplies
- 37mW max. at 1MSPS with 5.25V supplies
Dual conversion with read at 20 MHz SCLK
Single-Supply Operation: +2.7V to +5.25V
Motor Control Registers: Difference of Inputs, Quadrature Signal Phases, Direction and Step Down Counter
32-lead TQFN Package
APPLICATIONs
The device is ideal for motor control like encoder feed back or current sense, motion control such as robotics, sonar, or for any other radio frequency identification.