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| 型号： | DR-11525DX-543 |
| 厂商： | DATA DEVICE CORP |
| 元件分类： | 位置变换器 |
| 英文描述： | DIGITAL TO SYNCHRO OR RESOLVER, CDIP36 |
| 封装： | 0.780 X 1.900 INCH, 0.210 INCH HEIGHT, CERAMIC, DDIP-36 |
| 文件页数： | 3/8页 |
| 文件大小： | 155K |
| 代理商： | DR-11525DX-543 |
3
Data Device Corporation
www.ddc-web.com
DR-11525
G-06/05-0
INTRODUCTION
As shown in FIGURE 1, the signal conversion in the DR-11525
is performed by a high-accuracy digital-to-resolver converter
whose sin and cos outputs have a low scale factor variation as a
function of the digital input angle. This resolver output is ampli-
fied by scaling amplifiers for resolver output. The output line cur-
rents can be 2 mA rms max, which is sufficient for driving R/D
converters, solid-state control transformers, and displays. Output
power amplifiers will be required, however, for driving electro-
mechanical devices such as synchros and resolvers.
The reference conditioner has a differential input with high AC
and DC common mode rejection, so that a reference isolation
transformer will seldom be required. There are three sets of ref-
erence inputs which provide three different input/output ratios.
The RH- RL input provides a 0.45 ratio between the reference
input and the signal output and is designed to provide 11.8 VL-L
differential output for a 26 Vrms reference input. The RH2-RL2
input provides a 0.52 ratio between the reference input and the
signal output and is designed to provide a 6.81 Vrms single-
ended output for a 26 Vrms reference input. The RH3-RL3 input
provides a 0.91 ratio between the reference input and the signal
output and is designed to provide a 2 Vrms single-ended output
for a 4.4 Vrms reference input. Series resistors can be added to
accommodate higher reference levels or to reduce the output
level.
Notes: 1) Maximum reference input RH-RL = 26V +10%; RH2-RL2 = 26V
+10%; RH3-RL3 = 16.4V.
(2) Minimum voltage output (when using scalable ref-
erence input) is 1V differential or 0.5V single ended. (3) Differential is line-to-line
(L-L); single ended is line-to-ground (L-gnd).
TABLE 1. DR-11525 SPECIFICATIONS
Apply over temperature range, power supply range, reference voltage
and frequency range, and 10% harmonic distortion in the reference.
PARAMETER
UNIT
VALUE
16
Bits
RESOLUTION
Natural binary angle, parallel positive
logic CMOS and TTL compatible.
Inputs are CMOS transient protected.
Logic 0 = 0 to +1 V
Logic 1 = +2.2V to +5V
20 max to GND (bits 1-16)
20 max to +5V (LL, LM, LA)
See Timing Diagram (FIGURE 2.).
A
DIGITAL INPUT
Logic Type
Load Current
REFERENCE INPUT
Type
Frequency Range
Standard Input
Voltage (Note 1)
RH3-RL3
RH2-RL2
RH-RL
INPUT IMPEDANCE
Single-Ended: RH-gnd
Differential: RH to RL
Hz
V
k ohm
Resolver
2 max
(Tracks Reference Input Voltage)
11.8 nominal
6.81 (single ended)
2.0 nominal (single ended)
±0.5 max
±0.1 max
±15 max Varies with input angle.
mA rms
VrmsL-L
Vrms
%
mV
ANALOG OUTPUT
Type
Output Current
Standard Output
Voltage (Note 2)
RH-RL
RH2-RL2
RH3-RL3
Transform. Ratio Tol.
Scale Factor Variation
DC Offset (Single ended)
V
mAmax
-15 ±5%
-18V
35+ load current
-55 to +125
-40 to +85
0 to +70
-55 to +135
°C
TEMPERATURE
RANGES (CASE)
Operation
-1 Option
-2 Option
-3 Option
Storage
PHYSICAL
CHARACTERISTICS
Package Type
Size
Weight
in.(mm)
oz (g)
36-pin DDIP
0.78 x 1.9 x 0.21 (19.7 x 48.1 x 5.3)
0.85 (24)
4 to 1 min. (See Ordering information)
1 minute part: 1 min up to 1 kHz,
1.5 min for 1 to 5 kHz, and 3 min for
5 to 10 kHz (guaranteed by design -
tested at 5 kHz)
±1 max
Less than 20 for any digital step change
Minutes
LSB
sec
Three differential solid-state inputs: two
for standard 26V, one programmable.
DC to 10k
4.4
26
100 ±0.5%
200 ±0.5%
+15 ±5%
+18V
35+ load current
POWER SUPPLIES
Voltage
Max volt. w/o damage
Current or Impedance
ACCURACY AND
DYNAMICS
Output Accuracy
Differential Linearity
Output Settling Time
16 BIT DIGITAL WORD (
Φ
Φ) (1 = MSB, 16 = LSB)
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
DEGREES
(HEX)
0° (0000)
15° (0AAB)
30° (1555)
45° (2000)
60° (2AAB)
75° (3666)
90° (4000)
120° (5555)
135° (6000)
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
180° (8000)
240° (AAAB)
270° (C000)
285° (CAAB)
300° (D555)
315° (E000)
330° (EAAB)
345° (F555)
359° (FFFF)
0
TABLE 2. ANGLES IN DEGREES
CROSS REFERENCED TO A 16-BIT DIGITAL WORD
0
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