AD2S1200

更新时间： 2024-11-08 22:38:59

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
24页	383K
描述
12-Bit R/D Converter with Reference Oscillator

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中文翻译

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AD2S1200 数据手册

12-Bit R/D Converter

with Reference Oscillator

AD2S1200

GENERAL DESCRIPTION

FEATURES

Complete monolithic R/D converter

Parallel and serial 12-bit data ports

System fault detection

The AD2S1200 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 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.

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 5ꢀ)

−40°C to +125°C temperature rating

44-lead LQFP package

The converter accepts 3.6 V p-p 10ꢀ 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.

4 kV ESD protection

FUNCTIONAL BLOCK DIAGRAM

CLKIN

(8.192MHz)

XTALOUT

REFBYP

REFOUT

FS1

FS2

INTERNAL

VOLTAGE

REFERENCE

AD2S1200

(4.096MHz)

CLOCK

GENERATOR

REFERENCE

OSCILLATOR

(DAC)

EXC

(204.8kHz)

CLOCK

CPO

DIVIDER

SYNTHETIC

REFERENCE

DOS

LOT

FAULT

INDICATORS

SinLO

Sin

ADC

MONITOR

ERROR

CALCULATION/

SIGNAL

DEMODULATOR

ANGLE θ

ERROR

MONITOR

CosLO

Cos

ADC

DIGITAL

FILTER

ANGLE φ

ENCODER

POSITION

VELOCITY

DIR

EMULATION

INTEGRATOR

POSITION REGISTER

VELOCITY REGISTER

SAMPLE

MULTIPLEXER

DATA BUS OUTPUT

RESET

RDVEL

SOE

DB11

DB10

SCLK

DB9–DB0

Figure 1.

Rev. 0

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...24

中文翻译

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与AD2S1200相关器件

型号	品牌	获取价格	描述	数据表
AD2S1200WST	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
AD2S1200WSTZ	ADI	获取价格	暂无描述
AD2S1200YST	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
AD2S1200YSTZ	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
AD2S1205	ADI	获取价格	12-Bit R/D Converter with Reference Oscillator
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

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