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AD2S1200

Features: ·Complete monolithic R/D converter·Parallel and serial 12-bit data ports·System fault detection·Absolute position and velocity outputs·Differential inputs·±11 arc minutes of accuracy·1,000 rps maximum tracking rate, 12-bit resolution·Incremental encoder emulation (1,024 pulses/rev)·Progr...

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SeekIC No. : 004268695 Detail

AD2S1200: Features: ·Complete monolithic R/D converter·Parallel and serial 12-bit data ports·System fault detection·Absolute position and velocity outputs·Differential inputs·±11 arc minutes of accuracy·1,000...

AD2S1200 Data Sheet

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Part Number:
AD2S1200
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Complete monolithic R/D converter
·Parallel and serial 12-bit data ports
·System fault detection
·Absolute position and velocity outputs
·Differential inputs
·±11 arc minutes of accuracy
·1,000 rps maximum tracking rate, 12-bit resolution
·Incremental encoder emulation (1,024 pulses/rev)
·Programmable sinusoidal oscillator on-board
·Compatible with DSP and SPI® interface standards
·204.8 kHz square wave output
·Single-supply operation (5.00 V ± 5%)
·−40°C to +125°C temperature rating
·44-lead LQFP package
·4 kV ESD protection




Application

·Electric power steering
·Electric vehicles
·Integrated starter generator/alternator
·Encoder emulation
·Automotive motion sensing and control




Pinout

AD2S1200 Diagram




Specifications

Supply Voltage (VDD)................−0.3 V to +7.0 V
Supply Voltage (AVDD)..............−0.3 V to + 7.0 V
Input Voltage ................ −0.3 V to VDD + 0.3 V
Output Voltage Swing ........... −0.3 V to VDD + 0.3 V
Operating Temperature Range (Ambient) ..−40°C to +125°C
Storage Temperature Range ..........−65°C to +150°C
Lead Temperature Soldering
Vapor Phase (60 sec).................... 215°C
Infrared (15 sec) ....................... 220°C

Resolution (Bits) 12bit
Package 44LQFP
Max Track Rate (+/- rps) 1000
Accuracy (arcmin) 22/11
Temp_Range (C) -40 to +125
Ref Freq (Hz) 10k-20k
Vel o/p Yes
Vel Lnrty (+/- FSR max) 2lsb
Power (mW) 50mW
Interface Parallel/Serial
Encoder Emulation Yes
Supplies (V) +5V





Description

The AD2S1200 is a complete 12-bit resolution tracking resolverto- digital converter, integrating an on-board programmable sinusoidal oscillator that provides sine wave excitation for resolvers. An external 8.192 MHz crystal is required to provide a precision time reference. This clock is internally divided to generate a 4.096 MHz clock to drive all the peripherals.

The converter AD2S1200 accepts 3.6 V p-p ± 10% input signals, in the range of 10 kHz to 20 kHz on the Sin and Cos inputs. A Type II servo loop is employed to track the inputs and convert the input Sin and Cos information into a digital representation of the input angle and velocity. The bandwidth of the converter is set internally to 1.7 kHz with an external 8.192 MHz crystal. The maximum tracking rate is 1,000 rps.






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