参数资料
型号: AD652AQ/+
厂商: Analog Devices Inc
文件页数: 21/28页
文件大小: 779K
描述: IC V-F CONV SYNCH MONO 5V 16CDIP
标准包装: 25
类型: 电压至频率
频率 - 最大: 2MHz
全量程: ±50ppm/°C
线性: ±0.02%
安装类型: 通孔
封装/外壳: 16-CDIP(0.300",7.62mm)
供应商设备封装: 16-CERDIP
包装: 管件
 
AD652
 
Rev. C | Page 21 of 28
V
S
?SPAN class="pst AD652SQ_2632819_4">2
+V
S
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AD652
SYNCHRONOUS
VOLTAGE-TO-
FREQUENCY
CONVERTER
0.02?/SPAN>F
OLTS
OUT
V
2
+5V
4k&
MPX INPUT
V
S
?SPAN class="pst AD652SQ_2632819_4">3
+V
S
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AD652
SYNCHRONOUS
VOLTAGE-TO-
FREQUENCY
CONVERTER
0.02?/SPAN>F
VOLTS
OUT
V
3
V
S
?SPAN class="pst AD652SQ_2632819_4">4
+V
S
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
AD652
SYNCHRONOUS
VOLTAGE-TO-
FREQUENCY
CONVERTER
0.02?/SPAN>F
VOLTS
OUT
V
4
1N4148
?SPAN class="pst AD652SQ_2632819_4">2,?SPAN class="pst AD652SQ_2632819_4">3,?SPAN class="pst AD652SQ_2632819_4">4 ARE PINS 15, 7, 6 OF TIM9904A FROM DEMUX FIGURE 30
 
Figure 31. Demultiplexer Frequency-to-Voltage Conversion
+5V
TRANSFORMER
PICO 31080
24 TURNS
T50- MICROMETALS
CK
'74
Q
D
CK
'74
Q
D
Q
500&
+15V
1
2
3
4
5
6
7
15V
8
16
15
14
13
12
11
10
9
ONE
SHOT
AND
"D"
FLOP
Q CK
D
Q
1mA
20k&
AD652
SYNCHRONOUS
VOLTAGE-TO-
FREQUENCY
CONVERTER
5V
REFERENCE
0.02?/SPAN>F
1nF
LO
HI
V
IN
3k&
1k&
1nF
6N137
OPTO-
ISOLATOR
5
4
6
3
7
2
8
1
ISOLATION BARRIER
FREQUENCY
OUTPUT
2N6659   2N6659
MYLAR
0.01?/SPAN>F
+5V
10?/SPAN>H
100&
100&
1 2    3
1.65k&
1.65k&
AD654
1
8
2
7
3
6
4
5
DRIVER
OSC
200pF
1.2k&
6.8k&
10k&
1.5k&
V
AD589
1.2V
+5V
1N4148
4
5
6
7
+15V
REG
7815
15V
REG
7915
47?/SPAN>F
47?/SPAN>F
47?/SPAN>F
47?/SPAN>F
+15V
15V
10k&
 
Figure 32. Isolated Synchronous VFC
Analog Signal Reconstruction
If it is desired to reconstruct the analog voltages from the
multiplex signal, three more AD652 SVFC devices are used as
frequency-to-voltage converters, as shown in Figure 31. The
comparator inputs of all the devices are strapped together, the
+ inputs are held at a 1.2 V TTL threshold, and the  inputs
are driven by the multiplex input. The three clock inputs are
driven by the
?/DIV>
 outputs of the clock chip. Remember that data
at the comparator input of the SVFC is loaded on the falling
edge of the clock signal and shifted out on the next rising edge.
Note that the frequency signals for each data channel are
available at the frequency output pin of each FVC.
 
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AD652AQ 制造商:Analog Devices 功能描述:SEMICONDUCTORS LINEAR 制造商:Analog Devices 功能描述:V/F CONVERTER 2MHZ 0.02% 5V 16DIP 制造商:Analog Devices 功能描述:V/F CONVERTER, 2MHZ, 0.02%, 5V, 16DIP
AD652AQ/+ 功能描述:IC V-F CONV SYNCH MONO 5V 16CDIP RoHS:否 类别:集成电路 (IC) >> PMIC - V/F 和 F/V 转换器 系列:- 标准包装:1 系列:- 类型:频率至电压 频率 - 最大:10kHz 全量程:- 线性:±0.3% 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:Digi-Reel® 其它名称:LM2917MX-8/NOPBDKR
AD652AQ2 制造商:AD 制造商全称:Analog Devices 功能描述:Monolithic Synchronous Voltage-to-Frequency Converter
AD652AQZ 制造商:Analog Devices 功能描述:VFC Sync 2MHz 16-Pin CDIP 制造商:Analog Devices 功能描述:IC V/F-F/V CONVERTER DIP16 652
AD652BQ 功能描述:IC V-F CONVERTER SYNC 16-CDIP RoHS:否 类别:集成电路 (IC) >> PMIC - V/F 和 F/V 转换器 系列:- 标准包装:1 系列:- 类型:频率至电压 频率 - 最大:10kHz 全量程:- 线性:±0.3% 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOIC 包装:Digi-Reel® 其它名称:LM2917MX-8/NOPBDKR