FEATURES FUNCTIONAL BLOCK DIAGRAM

Tracking R/D Converter

High Accuracy Velocity Output

High Max Tracking Rate 1040 RPS (10 Bits)

44-Lead PLCC Package

10-, 12-, 14-, or 16-Bit Resolution Set by User

Ratiometric Conversion

Stabilized Velocity Reference

Dynamic Performance Set by User

Industrial Temperature Range

APPLICATIONS

DC and AC Servo Motor Control

Process Control

Numerical Control of Machine Tools

Robotics

Axis Control

GENERAL DESCRIPTION

The AD2S83 is a monolithic 10-, 12-, 14-, or 16-bit tracking

resolver-to-digital converter.

The converter allows users to select their own resolution and dynamic

performance with external components. The converter allows users to

select the resolution to be 10, 12, 14, or 16 bits and to track

resolver signals rotating at up to 1040 revs per second (62,400 rpm)

when set to 10-bit resolution.

The AD2S83 converts resolver format input signals into a parallel

natural binary digital word using a ratiometric tracking conversion

method. This ensures high noise immunity and tolerance

of long leads allowing the converter to be located remote from

the resolver.

The position output from the converter is presented via 3-state

output pins which can be configured for operations with 8- or

16-bit bus. BYTE SELECT, ENABLE and INHIBIT pins

ensure easy data transfer to 8- and 16-bit data bus, and outputs

are provided to allow for cycle or pitch counting in external

counters.

A precise analog signal proportional to velocity is also available

and will replace a tachogenerator.

The AD2S83 operates over reference frequencies in the range

0 Hz to 20,000 Hz.

PRODUCT HIGHLIGHTS

High Accuracy Velocity Output. A precision analog velocity

signal with a typical linearity of ±0.1% and reversion error less

than ±0.3% is generated by the AD2S83. The provision of this

signal removes the need for mechanical tachogenerators used in

servo systems to provide loop stabilization and speed control.

Resolution Set by User. Two control pins are used to select

the resolution of the AD2S83 to be 10, 12, 14 or 16 bits allowing

optimum resolution for each application.

Ratiometric Tracking Conversion. This technique provides

continuous output position data without conversion delay. It

also provides noise immunity and tolerance of harmonic distortion

on the reference and input signals.

Dynamic Performance Set by the User. By selecting external

resistor and capacitor values the user can determine bandwidth,

maximum tracking rate and velocity scaling of the

converter to match the system requirements. The component

values are easy to select using the free component selection

software design aid.

MODELS AVAILABLE

Information on the models available is given in the Ordering

Guide.

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企业名：济南誉光微电电子科技有限公司

类型：贸易/代理/分销

电话： 0531-88891493
0531-88891493

手机：13173042570
13058041999

联系人：王小姐/于经理

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