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參數(shù)資料
| 型號： | SD-14621FS-255Z |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 位置變換器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, CDMA54 |
| 封裝： | CERAMIC, FP-54 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 122K |
| 代理商： | SD-14621FS-255Z |
SD-14620 SERIES
TWO-CHANNEL SYNCHRO/RESOLVER-TO-
DIGITAL CONVERTERS
DESCRIPTION
The SD-14620 Series converters are
small, low-cost, two-channel hybrid
synchro- or resolver-to-digital con-
verters based on a single-chip mono-
lithic. The SD-14620XS option offers
synthesized reference circuitry to cor-
rect for phase shifts between the ref-
erence and signal inputs. The two
channels are independent but share
the digital output and +5 VDC power
pins. The package is 54-pin ceramic,
yet is the size of a 28-pin DDIP.
Resolution
programming
allows
selection of 10-, 12-, 14- or 16-bit
modes. This feature allows selection
of either low-resolution for fast track-
ing or higher resolution for higher
accuracy.
The velocity outputs (VEL A, VEL B) of
the SD-14620 Series, which can be
used to replace a tachometer, are ±4 V
signals referenced to analog ground.
The SD-14620 Series also offers
Built-In-Test outputs for each channel
(BIT-A, BIT-B). The converters are
available with operating temperature
ranges of 0°C to +70°C, -40°C to
+85°C and -55°C to +125°C. MIL-
PRF-38534 processing is available.
APPLICATIONS
With its low-cost, small size, high
accuracy and versatile performance,
the SD-14620 Series converters are
ideal for use in modern high-perfor-
mance military, commercial and space
position control systems. Typical appli-
cations include radar antenna posi-
tioning, motor control, robotics, navi-
gation and fire control systems.
FEATURES
Synthesized Reference Option
1 Minute Accuracy Available
(“S” Option only)
Single +5 V Power Supply
10-, 12-, 14- or 16-Bit
Programmable Resolution
Small 54-Pin Ceramic Package
BIT Output
Velocity Output Replaces
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
RH
RL
RI
CI
VEL
INTEGRATOR
HYSTERESIS
VCO & TIMING
14/16 BIT
UP/DOWN
COUNTER
DATA LATCHES
EM DATA
EL
INH
S4
BIT
DETECTOR
REFERENCE CONDITIONER
ERROR
BIT
R
LOS
B
CB
8
DC-DC
CONVERTER
FILTER
47 f
external
capacitor
+5 V
-5 V
A
B
A
"S" OPTION
SYNTHESIZED REFERENCE
1991, 1999 Data Device Corporation
FIGURE 1. SD-14620 BLOCK DIAGRAM (ONE CHANNEL)
AVAILABLE
AS RADIA
TION HARDENED
IN RAD-P
AK TECHNOLOGY
BY
SPACE ELECTR
ONICS
INC.
NEW
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