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參數資料
型號: AD7755ABRS
廠商: ANALOG DEVICES INC
元件分類: 模擬信號調理
英文描述: Energy Metering IC with Pulse Output
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO24
封裝: SSOP-24
文件頁數: 8/16頁
文件大?。?/td> 250K
代理商: AD7755ABRS
REV. B
AD7755
–8–
Amps
0.01
0.1
%
0.0
1
10
100
40 C PF = 0.5
+25 C PF = 1
+25 C PF = 0.5
+85 C PF = 0.5
0.2
0.4
0.6
0.8
0.8
0.6
0.4
0.2
PF = 0.5
GAIN = 8
ON-CHIP REFERENCE
Figure 8. Error as a % of Reading (Gain = 8)
Amps
0.01
0.1
%
0.8
0.6
0.2
0.4
0.0
0.2
0.4
1
10
100
40 C PF = 0.5
1.0
+25 C PF = 1
+25 C PF = 0.5
+85 C PF = 0.5
PF = 0.5
GAIN = 16
ON-CHIP REFERENCE
Figure 9. Error as a % of Reading (Gain = 16)
Amps
0.4
0.01
0.1
%
0.2
0.1
0.0
1
10
100
40 C
PF = 1
GAIN = 2
EXTERNAL REFERENCE
+25 C
+85 C
0.3
0.4
0.2
0.1
0.3
Figure 10. Error as a % of Reading over Temperature with
an External Reference (Gain = 2)
Amps
0.01
0.1
%
0.4
0.3
0.2
0.1
0.0
0.1
0.2
0.3
0.4
1
10
100
+25 C
+85 C
40 C
PF = 1
GAIN = 16
EXTERNAL REFERENCE
Figure 11. Error as a % of Reading over Temperature with
an External Reference (Gain = 16)
FREQUENCY
Hz
%
0.8
0.6
0.4
0.2
0.0
0.2
0.4
0.6
45
50
55
60
65
70
75
PF = 1
PF = 0.5
Figure 12. Error as a % of Reading over Frequency
AVDD AC/
DC
AVDD
NC
U1
AD7755
V1P
V1N
REF
IN/OUT
33nF
1k
100nF
33nF
1k
V2N
33nF
33nF
V2P
100nF
10 F
1k
1k
1M
10 F
100nF
10 F
V
DD
RESET
AGND DGND
F1
F2
CF
REVP
NC
CLKOUT
CLKIN
G0
G1
S0
S1
SCF
Y1
3.58MHz
10nF
10nF
10nF
33pF
33pF
500
1.5m
10m
40A TO
40mA
220V
GAIN
SELECT
U3
PS2501-1
K7
K8
10k
V
DD
V
DD
NC = NO CONNECT
Figure 13. Test Circuit for Performance Curves
相關PDF資料
PDF描述
AD7755AAN Energy Metering IC with Pulse Output
AD7760 2.5 MSPS, 20-Bit ADC
AD7760BCP 2.5 MSPS, 20-Bit ADC
AD7760BSV 2.5 MSPS, 20-Bit ADC
AD7769 LC2MOS Analog I/O Port
相關代理商/技術參數
參數描述
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