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| 型號(hào)： | AD2S83 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Variable Resolution, Monolithic Resolver-to-Digital Converters(可變分辨率,單片解算-數(shù)字變換器) |
| 中文描述： | 可變分辨率，單片分解到數(shù)字轉(zhuǎn)換器（可變分辨率，單片解算-數(shù)字變換器） |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | AD2S83 |
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REV. D
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Variable Resolution,
Resolver-to-Digital Converter
AD2S83
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 dy-
namic 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 paral-
lel natural binary digital word using a ratiometric tracking con-
version 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 allow-
ing 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 distor-
tion on the reference and input signals.
Dynamic Performance Set by the User.
By selecting exter-
nal resistor and capacitor values the user can determine band-
width, 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.
FUNCTIONAL BLOCK DIAGRAM
FEATURES
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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1998
A3
RIPPLE
CLOCK
R4
VCO
I/P
TRACKING
R6
VELOCITY
INTEGRATOR
BANDWIDTH
R3
C3
REFERENCE
HF FILTER
R2
C2
C1
R1
DEMOD
INTE O/P
DIRECTION
BUSY
DIG
DAT16
SC1 SC2
DATA
LOAD
BYTE
+5V
+12V
–12V
GND
COS
SIG
SIN
AC ERROR O/P
O/P
C7
AD2S83
R7
3K3
C6
390pF
R8
–12V
+12V
OFFSET ADJUST
R9
R5
C4
C5
R – 2R DAC
SPHASE
VCO + DATA
16-BIT UP/DOWN COUNTER
SEGMENT
OUTPUT DATA LATCH
A2
A1
ENABLE
INHIBIT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD2S90 | Low Cost, Complete 12-Bit Resolver-to-Digital Converter |
| AD2S90AP | Low Cost, Complete 12-Bit Resolver-to-Digital Converter |
| AD2S93 | Low Cost LVDT-to-Digital Converter |
| AD2S93AP | Aluminum Electrolytic Capacitor; Capacitor Type:Industrial Grade; Voltage Rating:350VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +85 C; Capacitance:160uF RoHS Compliant: Yes |
| AD2S93BP | Aluminum Electrolytic Capacitor; Capacitor Type:Industrial Grade; Voltage Rating:150VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +85 C; Capacitance:16uF RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD2S83AP | 制造商:Analog Devices 功能描述:Resolver to Digital 16-Bit Parallel ±8arcmin 44-Pin PLCC 制造商:Analog Devices 功能描述:RESOLVER TO DGTL CNVRTR 44PLCC - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:8 ARC MIN 44PLCC -40/85C - Bulk 制造商:Analog Devices 功能描述:IC R/D CONVERTER 10-16 BIT |
| AD2S83APZ | 功能描述:IC R/D CONV TRACKING 44PLCC RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| AD2S83APZ-REEL | 功能描述:IC CONV R/D MONO VAR RES 44PLCC RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測(cè)器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| AD2S83IP | 制造商:Analog Devices 功能描述:Resolver to Digital 16-Bit Parallel 制造商:Analog Devices 功能描述:RESOLVER TO DGTL CNVRTR 44PLCC - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:8 ARC MIN 44PLCC -40/85C - Bulk |
| AD2S83IP-REEL | 制造商:Analog Devices 功能描述:Resolver to Digital 16-Bit Parallel 制造商:Rochester Electronics LLC 功能描述:8 ARC MIN 44PLCC -40/85C - Tape and Reel |
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