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AD2S1205

Features: ·Complete monolithic resolver-to-digital converter (RDC)·Parallel and serial 12-bit data ports·System fault detection·±11 arc minutes of accuracy·Input signal range: 3.15 V p-p ± 27%·Absolute position and velocity outputs·1250 rps maximum tracking rate, 12-bit resolution·Incremental enco...

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SeekIC No. : 004268698 Detail

AD2S1205: Features: ·Complete monolithic resolver-to-digital converter (RDC)·Parallel and serial 12-bit data ports·System fault detection·±11 arc minutes of accuracy·Input signal range: 3.15 V p-p ± 27%·Absol...

AD2S1205 Data Sheet

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Part Number:
AD2S1205
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 resolver-to-digital converter (RDC)
·Parallel and serial 12-bit data ports
·System fault detection
·±11 arc minutes of accuracy
·Input signal range: 3.15 V p-p ± 27%
·Absolute position and velocity outputs
·1250 rps maximum tracking rate, 12-bit resolution
·Incremental encoder emulation (1024 pulses/rev)
·Programmable sinusoidal oscillator on board
·Single-supply operation (5.00 V ± 5%)
·−40°C to +125°C temperature rating
·44-lead LQFP
·4 kV ESD protection




Application

·Automotive motion sensing and control
·Hybrid-electric vehicles
·Electric power steering
·Integrated starter generator/alternator
·Industrial motor control
·Process control




Pinout

AD2S1205 Diagram




Specifications

Resolution (Bits) 12bit
Package 44LQFP
Max Track Rate (+/- rps) 1250
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


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




Description

The AD2S1205 is a complete 12-bit resolution tracking resolver-to-digital converter that contains an on-board programmable sinusoidal oscillator providing sine wave excitation for resolvers.

The converter AD2S1205 accepts 3.15 V p-p ± 27% input signals on the Sin and Cos inputs. A Type II tracking 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 maximum tracking rate is a function of the external clock frequency. The performance of the AD2S105 is specified across a frequency range of 8.192 MHz ± 25%, allowing a maximum tracking rate of 1250 rps.






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