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参数资料
| 型号： | DSC-11524-303S |
| 厂商： | DATA DEVICE CORP |
| 元件分类： | 位置变换器 |
| 英文描述： | DIGITAL TO SYNCHRO OR RESOLVER, DIP36 |
| 封装： | DDIP-36 |
| 文件页数： | 9/13页 |
| 文件大小： | 529K |
| 代理商： | DSC-11524-303S |
5
Data Device Corporation
www.ddc-web.com
DSC-11524
L-7/08-0
R' =
5K
1.3
(VRH' RL' x
NOM VLL
DESIRED VLL
- 1.3)
VRH' RL' = Reference Input Voltage to Pins 11 & 9
NomVLL = Analog Output Voltage (L-L) Configuration as per Figure 4
Desired VLL = Scaled Analog Output Voltage
Example to scale reference input RH'/RL' to 115 Vrms
(Configured for 11.8V nominal output)
R' =
R' ≈ 437K
5K
1.3
(115 x
11.8
R'
RH' PIN 11
DSC-11524
RL' PIN 9
11.8VL-L
OUTPUT
115V
Example to scale Output Voltage line-to-line of 9 volts
(Configured for 115V Reference Input )
R' =
R' = 575 K
5K
1.3
(115 x
11.8
9
R'
RH' PIN 11
DSC-11524
RL' PIN 9
9 VL-L
OUTPUT
115V
Output Voltage Scaling without external R' resistors.
The Output Voltage can be scaled down from the nominal voltage L-L.
Input/Output ratio is 0.45 for the RH/RL 26V Reference Input.
Example to scale a 9V L-L Output using the 26V RH/RL Reference Voltage
on Input pins 10 & 8.
REF INPUT VOLTAGE = Desired Output (L-L)
0.45
9
0.45
=
REF INPUT VOLTAGE = 19.8V
R'
RH' PIN 10
DSC-11524
RL' PIN 8
9 VL-L
OUTPUT
19.8V
- 1.3)
OUTPUT SCALING AND REF LEVEL ADJUSTMENT
The DSC-11524 operates like a multiplying D/A converter in that
the voltage of each output line is directly proportional to the refer-
ence voltage. The maximum line-to-line levels are determined by
the output amplifiers and are nominally 11.8 V for synchro output
and 6.81 V or 11.8 V for resolver output. The RH, RL reference
input is designed to provide this nominal output for the standard
26 V reference level. The scaling adjustment is made by two
internal 100k ohm resistors in series with the reference condi-
tioner input (see FIGURE 1).
The RH, RL reference input has only 5k ohm internal resistors
in series with the reference conditioner input, so that nominal
line-to-line output is obtained for a reference input of 1.3 V. For
higher reference voltages, two resistors, R’, must be inserted in
series with the inputs. These resistors scale the DSC-11524 to
accommodate higher reference levels, or to reduce the output
levels. The magnitude of the resistors, R, in ohms is calculated
as follows:
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相关代理商/技术参数 |
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