GENERAL DESCRIPTION

The AD2S1210-EP is a complete 10-bit to 16-bit resolution tracking resolver-to-digital converter, integrating an on-board programmable sinusoidal oscillator that provides sine wave excitation for resolvers.

The converter accepts 3.15 V p-p ± 27% input signals, in the range of 2 kHz to 20 kHz on the sine and cosine inputs. A Type II servo loop is employed to track the inputs and convert the input sine and cosine information into a digital representation of the input angle and velocity. The maximum tracking rate is 3125 rps.

FEATURES

Complete monolithic resolver-to-digital converter

3125 rps maximum tracking rate (10-bit resolution)

±2.5 arc minutes of accuracy

10-/12-/14-/16-bit resolution, set by user

Parallel and serial 10-bit to 16-bit data ports

Absolute position and velocity outputs

System fault detection

Programmable fault detection thresholds

Differential inputs

Incremental encoder emulation

Programmable sinusoidal oscillator on board

Compatible with DSP and SPI interface standards

5 V supply with 2.3 V to 5 V logic interface

Support defense and aerospace applications (AQEC)

Military temperature range ( −55°C to +125°C)

Controlled manufacturing baseline

One assembly/test site

One fabrication site

Enhanced product change notification

Qualification data available upon request

APPLICATIONS

DC and ac servo motor control

Encoder emulation

Electric power steering

Electric vehicles

Integrated starter generators/alternators

Automotive motion sensing and control