參數(shù)資料
型號: SDC-14579-422
廠商: DATA DEVICE CORP
元件分類: 位置變換器
英文描述: SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, QMA26
文件頁數(shù): 1/6頁
文件大小: 377K
代理商: SDC-14579-422
SDC-14570/75 SERIES
14- AND 16-BIT TRACKING S/D
CONVERTERS
DESCRIPTION
The SDC-14570/75 Series are small
low cost synchro- or resolver-to-digital
converters based upon a single chip
monolithic. A completely self-con-
tained 14- or 16-bit synchro converter
is housed in the SDC-14570/75
Series small 1.0" x 0.8" package. The
SDC-14570 is fixed at 14 bits, the
SDC-14575 is pin-programmable 14
or 16 bits.
The velocity output (VEL) from the
SDC-14570/75 Series, which can
be used to replace a tachometer, is
a 4 V signal referenced to ground
with a linearity of 1% of output volt-
age.
SDC-14570/75 Series converters
are available with operating temper-
ature ranges of 0°C to +70°C and -
55°C to +125°C, and MIL-PRF-
38534 processing is available.
APPLICATIONS
With its low cost, small size, high
accuracy, and versatile performance,
the SDC-14570/75 Series converters
are ideal for use in modern, high-per-
formance military and industrial posi-
tion control systems. Typical applica-
tions include radar antenna position-
ing, navigation and fire control sys-
tems, motor control, and robotics.
FEATURES
Fixed 14- or 14/16-Bit Resolution
BIT for ERROR or LOS
No 180° Hangup
Small Size 1.0" X 0.8" Package
Velocity Output Eliminates
Tachometer
High Reliability Single Chip
Monolithic
-55°C to +125°C Operating
Temperature Range
MIL-PRF-38534 Processing
Available
S1
S2
S3
INPUT OPTION
CONTROL
TRANSFORMER
GAIN
DEMODULATOR
+REF
-REF
RI
CI
VEL
INTEGRATOR
HYSTERESIS
VCO & TIMING
14/16-BIT
UP/DOWN
COUNTER
DATA LATCH
EM DATA
EL
8
INH
S4
BIT
DETECTOR
REFERENCE CONDITIONER
ERROR
BIT
R
LOS
E
A
CB
1991, 1999 Data Device Corporation
FIGURE 1. SDC-14570/75 BLOCK DIAGRAM
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