參數(shù)資料
型號(hào)： RDC-19222S-312T
廠商： DATA DEVICE CORP
元件分類： 位置變換器
英文描述： SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, PQCC44
封裝： PLASTIC, J LEAD PACKAGE-44
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 266K
代理商： RDC-19222S-312T
RDC-19220/2S
16-BIT MONOLITHIC TRACKING
RESOLVER-TO-DIGITAL CONVERTER
FEATURES
Accuracy up to 2.3 Arc Minutes
Internal Synthesized Reference
+5 Volt Only Option
Programmable:
- Resolution: 10-, 12-, 14-,
or 16-Bit
- Bandwidth
- Tracking
Differential Resolver Input Mode
Velocity Output Eliminates
Tachometer
Built-In-Test (BIT) Output,
No 180° Hangup
-55° to +125°C Operating
Temperature
SIN
-S
+S
COS
-C
+C
+5C
+CAP
-CAP
-5C
A GND
+5 V
GND
-5 V
CONTROL
TRANSFORMER
-5 V
INVERTER
DATA
LATCH
GAIN
DEMODULATOR
16-BIT
UP/DOWN
COUNTER
HYSTERESIS
+REF -REF
BIT
R
1
VCO
&
TIMING
-
+
-
+
AB
INH
EM
BIT 1
THRU
BIT 16
EL
AB
CB
E
RS
RC
RV
RB
CBW
C BW
10
-VSUM
VEL
-VCO
INTEGRATOR
SYNTHESIZED REFERENCE
REFERENCE CONDTIONER
DESCRIPTION
The RDC-19220/2S is a low-cost ver-
satile state-of-the-art 16-bit monolithic
Resolver-to-Digital Converter. This sin-
gle chip converter offers programmable
features such as resolution, bandwidth
and velocity output scaling.
Resolution programming allows selec-
tion of 10, 12, 14, or 16 bits, with accu-
racies to 2.3 minutes. This feature com-
bines the high tracking rate of a 10-bit
converter with the precision and low-
speed velocity resolution of a 16-bit
converter in one package.
The internal Synthesized Reference
section eliminates errors due to quad-
rature voltage. Previously, a 6 degree
phase shift caused problems for a 16-
bit converter. The synthesized refer-
ence capability ensures operation with
a phase shift up to 45 degrees.
The velocity output (VEL) from the
RDC-19220/2S, which can be used to
replace a tachometer, is a 4 V signal
referenced to ground. The full-scale
value of VEL is set by the user with a
single resistor.
RDC-19220/2S converter is available
with operating temperature ranges of
0° to +70°C, -40° to +85°C, and -55° to
+125°C.
APPLICATIONS
With its low cost, small size, high accu-
racy, and versatile performance, the
RDC-19220/2S converter is ideal for
use in modern high performance indus-
trial control systems. Typical applica-
tions include motor control, radar
antenna positioning, machine tool con-
trol, robotics, and process control.
FIGURE 1. RDC-19220/2S BLOCK DIAGRAM
1999 Data Device Corporation
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