器件名称: AD2S1210ASTZ
功能描述: Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
文件大小: 513.74KB 共36页
简 介:Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator AD2S1210
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 40°C to +125°C temperature rating
FUNCTIONAL BLOCK DIAGRAM
REFERENCE PINS CRYSTAL
EXCITATION OUTPUTS
REFERENCE OSCILLATOR (DAC)
VOLTAGE REFERENCE
INTERNAL CLOCK GENERATOR
SYNTHETIC REFERENCE ADC INPUTS FROM RESOLVER ADC
AD2S1210
TYPE II TRACKING LOOP
FAULT DETECTION
FAULT DETECTION OUTPUTS
POSITION REGISTER ENCODER EMULATION OUTPUTS
VELOCITY REGISTER
CONFIGURATION REGISTER
DATA I/O
APPLICATIONS
DC and ac servo motor control Encoder emulation Electric power steering Electric vehicles Integrated starter generators/alternators Automotive motion sensing and control
ENCODER EMULATION
MULTIPLEXER
DATA BUS OUTPUT
DATA I/O RESET
Figure 1.
GENERAL DESCRIPTION
The AD2S1210 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 conver……