AD2S1205

更新时间： 2024-09-17 03:17:43

品牌	Logo	应用领域
亚德诺 - ADI		振荡器转换器
页数	文件大小	规格书
25页	352K
描述
12-Bit R/D Converter with Reference Oscillator

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中文翻译

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数据手册

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AD2S1205 数据手册

12-Bit R/D Converter

with Reference Oscillator

Preliminary Technical Data

AD2S1205

GENERAL DESCRIPTION

FEATURES

Complete monolithic R/D converter

Parallel and serial 12-bit data ports

System fault detection

Absolute position and velocity outputs

Differential inputs

The AD2S1205 is a complete 12-bit resolution tracking

resolver-to-digital converter, integrating an on-board

programmable sinusoidal oscillator that provides sine wave

excitation for resolvers. An external crystal is recommended to

provide a precision time reference.

11 arc minutes of accuracy

The converter accepts 3.15 V p-p 2ꢀ7 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 maximum tracking rate of the

converter is set internally by the input clock frequency. The

nominal clock frequency is 8.192MHz which allows a tracking

rate of 1,000rps. However by increasing the clock frequency to

10.24MHz a maximum tracking rate of 1,250 rps can be

achieved.

1,250 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 5ꢀ)

−40°C to +125°C temperature rating

44-lead LQFP package

4 kV ESD protection

FUNCTIONAL BLOCK DIAGRAM

REFERENCE

PINS

CRYSTAL

AD2S1205

INTERNAL

CLOCK

GENERATOR

REFERENCE

OSCILLATOR

(DAC)

VOLTAGE

REFERENCE

EXCITATION

OUTPUTS

SYNTHETIC

REFERENCE

ADC

FAULT

DETECTION

OUTPUTS

FAULT

DETECTION

INPUTS

FROM

RESOLVER

TYPE II TRACKING LOOP

POSITION REGISTER

VELOCITY REGISTER

ENCODER

EMULATION

OUTPUTS

ENCODER

EMULATION

MULTIPLEXER

DATA BUS OUTPUT

RESET

DATA I/O

Figure 1.

Rev. PrB_10/06

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...25

中文翻译

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与AD2S1205相关器件

型号	品牌	获取价格	描述	数据表
AD2S1205WSTZ	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
AD2S1205YSTZ	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
AD2S1210	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210ASTZ	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210BSTZ	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210CSTZ	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210DSTZ	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210SST-EP-RL7	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210WDSTZ	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator
AD2S1210WDSTZRL7	ADI	获取价格	Variable Resolution, 10-Bit to 16-Bit R/D Converter with Reference Oscillator

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