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參數資料
| 型號： | SD-14590F4-184Q |
| 廠商： | DATA DEVICE CORP |
| 元件分類： | 位置變換器 |
| 英文描述： | SYNCHRO OR RESOLVER TO DIGITAL CONVERTER, CDMA36 |
| 封裝： | CERAMIC, FP-36 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 120K |
| 代理商： | SD-14590F4-184Q |
SD-14590/91/92
SYNCHRO-TO-DIGITAL CONVERTERS
DESCRIPTION
The SD-14590/91/92 series are high
reliability synchro- or resolver-to-dig-
ital converters with 14-bit-only, 16-
bit-only, or 14- or 16-bit programma-
ble resolution. This series of convert-
ers feature high quality velocity out-
put and hermetically sealed pack-
ages. In addition, the SD-14591 and
SD-14592 are pin-for-pin replace-
ments for the Natel 1024 and 1026,
respectively.
User-programmable resolution has
been designed into the SD-14590 to
increase the capabilities of modern
motion control systems. The precise
positioning attained at 16 bits of reso-
lution and fast tracking of a 14-bit
device are now available from one 36-
pin double DIP hybrid. Velocity output
(VEL) from the SD-14590/91/92 is a
V-based voltage of 0 to ±3.5 VDC with
a linearity to 2.0%. Output voltage is
positive for an increasing angle.
The digital angle output from the SD-
14590/91/92 is a natural binary code,
parallel positive logic and is TTL/CMOS
compatible. Synchronization to a com-
puter is accomplished via a converter
busy (CB) and an inhibit (INH) input.
APPLICATIONS
Because of its high reliability, accuracy,
small size, and low power consumption,
the SD-14590/91/92 is ideal for the
most stringent and severe industrial and
military ground or avionics applications.
All models are available with MIL-PRF-
38534 processing as a standard option.
Designed with three-state output, the
SD-14590/91/92 is especially well-
suited for use with computer based
systems. Among the many possible
applications are radar and navigation
systems, fire control systems, flight
instrumentation, and flight trainers or
simulators.
FEATURES
Replacement for NATEL’S 1024
and 1026
High Quality Velocity Output
Eliminates Tachometer
Accuracy to ±1.3 Arc Minutes
Small Size
Synchro or Resolver Input
Synthesized Reference
Eliminates 180° Lock-Up
S1
S2
S3
SOLID STATE SYNCHRO INPUT OPTION
ELECTRONIC
SCOTT T
SIN
θ
COS
θ
S1
S2
S3
SOLID STATE RESOLVER INPUT OPTION
RESOLVER
CONDITIONER
SIN
θ
COS
θ
S4
DIRECT INPUT OPTION
VOLTAGE
FOLLOWER
BUFFER
SIN
θ
COS
θ
SIN
θ
COS
θ
INPUT OPTIONS
V
INTERNAL
DC
REFERENCE
CONDITIONER
SYNTHESIZED
REF
DEMOD
BIT DETECT
ERROR
PROCESSOR
HIGH ACCURACY
CONTROL
TRANSFORMER
INPUT OPTION
16 BIT CT
TRANSPARENT
LATCH
16 BIT OUTPUT
TRANSPARENT
LATCH
3 STATE
TTL BUFFER
3 STATE
TTL BUFFER
16 BIT U-D
COUNTER
EDGE
TRIGGERED
LATCH
VCO
INHIBIT
TRANSPARENT
LATCH
POWER
SUPPLY
CONDITIONER
DIGITAL
ANGLE
φ
+5 V
INH
EM
BITS 1-8
BITS 9-14/16
EL
RESOLUTION CONTROL
T
50 ns DELAY
0.4-1 s
+10 V
INTERNAL DC
REF V (+5 V)
+15V
INH
CB
VEL
e
BIT
+15 V
UNITY
GAIN
BUFFER
VEL
U
T
E
D
R
U
T
GAIN
e
SIN
(
θ-φ)
1 LSB ANTIJITTER FEEDBACK
REF IN
RL
RH
SIN
θ
COS
θ
Q
A
GND
UNITY
GAIN
BUFFER
(14590 ONLY)
1996, 1999 Data Device Corporation
FIGURE 1. SD-14590/91/92 BLOCK DIAGRAM
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