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ES51921_10 参数 Datasheet PDF下载

ES51921_10图片预览
型号: ES51921_10
PDF下载: 下载PDF文件 查看货源
内容描述: 22000自动计数数字万用表 [22,000 Counts Auto DMM]
分类和应用:
文件页数/大小: 35 页 / 581 K
品牌: CYRUSTEK [ Cyrustek corporation ]
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ES51921
22,000 Counts Auto DMM
Pin Description
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
Ver. 3.2
Symbol
V+
V+
DGND
AGND
AGND
CH+
CH-
CIH
BUFFH
CAZH
CL+
CL-
CIL
CAZL
BUFFL
RAZ
IVSH
IVSL
OVX
OVH
OVSG
OR1
VR5
VR4
VR3
VR2
TEST5
ACVL
ACVH
ADI
ADO
OHMC1
OHMC2
OHMC3
OHMC4
NC
VRH
VR
SGND
ADP
VA+
VA-
V220m
VR1
VBAR
CA-
Type
O
O
P/G
P/G
P/G
IO
IO
O
O
O
IO
IO
O
O
O
O
I
I
I
I
O
O
O
O
O
O
IO
O
O
I
O
O
O
O
O
-
O
I
G
I
I
I
I
I
I
IO
Description
Output of on-chip DC-DC converter.
Output of on-chip DC-DC converter.
Digital ground. Connecting to 3V battery positive terminal.
Analog ground.
Analog ground.
Positive connection for reference capacitor of high-speed A/D.
Negative connection for reference capacitor of high-speed A/D.
High-speed integrator output. Connect to integral capacitor.
High-speed buffer output pin. Connect to integral resistor.
High-speed auto-zero capacitor connection.
Positive connection for reference capacitor of high-resolution A/D.
Negative connection for reference capacitor of high- resolution A/D.
High-resolution integrator output. Connect to integral capacitor.
High-resolution auto-zero capacitor connection.
High-resolution Buffer output pin. Connect to integral resistor
Buffer output pin in AZ and ZI phase.
Current measurement input for 2200μA, 220mA and 22A modes.
Current measurement input for 220μA, 22mA.
Input high voltage for resistance measurement
Output connection for resistance measurement
Sense low voltage for resistance measurement
Reference resistor connection for 220.00Ω range
Voltage measurement ÷10000 attenuator(1000.0V)
Voltage measurement ÷1000 attenuator(220.00V)
Voltage measurement ÷100 attenuator(22.000V)
Voltage measurement ÷10 attenuator(2.2000V)
Test pin
DC signal low input in ACV/ACA mode. Connect to negative output
of external AC to DC converter.
DC signal high input in ACV/ACA mode. Connect to positive output
of external AC to DC converter.
Negative input of internal AC to DC OP Amp.
Output of internal AC to DC OP Amp.
Filter capacitor connection for resistance mode.
Filter capacitor connection for resistance mode.
Filter capacitor connection for resistance mode.
Filter capacitor connection for resistance mode.
Output of band-gap voltage reference. Typically –1.23V
Reference input voltage connection. Typically –100mV
Signal Ground.
Measurement input in ADP mode. Connect to AGND if no used.
For ADP mode. De-integrating voltage positive input. The input
should be higher than VA-.
For ADP mode. De-integrating voltage negative input. The input
should be lower than VA+.
Independent input terminal for AC/DC 220.00mV mode.
Measurement Input.
In temperature mode, it is used to control decimal point.
In µA or mA modes, it is used to control the ‘µ’ or ‘m’ sign.
Negative auto-zero capacitor connection for capacitor measurement
3
10/06/23