参数资料
型号: ADE7758ARWZ
厂商: Analog Devices Inc
文件页数: 17/72页
文件大小: 0K
描述: IC ENERGY METERING 3PHASE 24SOIC
标准包装: 31
输入阻抗: 380 千欧
测量误差: 0.1%
电压 - 高输入/输出: 2.4V
电压 - 低输入/输出: 0.8V
电流 - 电源: 8mA
电源电压: 4.75 V ~ 5.25 V
测量仪表类型: 3 相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
产品目录页面: 797 (CN2011-ZH PDF)

Data Sheet
TEST CIRCUITS
V DD
ADE7758
CURRENT
TRANSFORMER
I
10μF
1k ?
100nF
4 3 17
AVDD DVDD VARCF APCF 1
5 IAP
825 ?
PS2501-1
1 4
RB
33nF
1k ?
33nF
6
IAN
ADE7758
CLKOUT 20
22pF
2
3
TO FREQ.
COUNTER
SAME AS
I AP , I AN
7
8
IBP
IBN
CLKIN 19
10MHz
22pF
SAME AS
I AP , I AN
9
10
ICP
ICN
DOUT 24
SCLK 23
220V
1M ?
1k ?
33nF
16
VAP
CS 21
DIN 22
TO SPI BUS
SAME AS V AP
15
VBP
IRQ 18
SAME AS V AP
CT TURN RATIO 1800:1
CHANNEL 2 GAIN = +1
14
VCP
1k ?
VN
13
REF IN/OUT 12
AGND DGND
11
2
100nF
10μF
CHANNEL 1 GAIN
1
2
4
8
R B
10 ?
5 ?
2.5 ?
1.25 ?
33nF
Figure 34. Test Circuit for Integrator Off
V DD
di/dt SENSOR
I
1k ?
10μF
1k ?
100nF
4 3 17
AVDD DVDD VARCF APCF 1
5 IAP
825 ?
PS2501-1
1 4
33nF
1k ?
33nF
33nF
1k ?
33nF
6
IAN
ADE7758
CLKOUT 20
22pF
2
3
TO FREQ.
COUNTER
SAME AS
I AP , I AN
7
8
IBP
IBN
CLKIN 19
10MHz
22pF
SAME AS
I AP , I AN
9
10
ICP
ICN
DOUT 24
SCLK 23
220V
1M ?
1k ?
33nF
16
VAP
CS 21
DIN 22
TO SPI BUS
SAME AS V AP
15
VBP
IRQ 18
SAME AS V AP
CHANNEL 1 GAIN = +8
CHANNEL 2 GAIN = +1
14
VCP
1k ?
33nF
VN
13
REF IN/OUT 12
AGND DGND
11
2
100nF
10μF
Figure 35. Test Circuit for Integrator On
Rev. E | Page 17 of 72
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