ES51927
6000 Counts Smart DMM
Pin Assignment
50
45
40
35
30
NC
NC
NC
NC
SEG11
SEG10
NC
NC
NC
80
SEG09
SEG08
SEG07
SEG06
SEG05
SEG04
SEG03
SEG02
SEG01
OSC2
OSC1
BKSEL
CESEL
C+
ACEN
BUZOUT
APOSEL
BUZIN
SLEEP
R1K
R9K-
CA+
CA-
NC
VR1
VA-
VA+
Cyrustek.
com.tw
85
90
ES51927
ADP
SGND
VR
VRH
NC
C-
V-
V-
V+
95
V+
OHMC1
OHMC2
DGND
AGND
Pin Description
Pin No
Symbol
AGND
LBAT
Type
P
I
Description
1
2
Analog ground.
Low battery configuration. If 3V battery is used, connect it to DGND.
The default low-battery threshold voltage is –2.3V. If 9V battery is
used, the low battery enunciator is displayed when the voltage of
this pin is less than VRH (-1.2V)
3
4
5
6
7
8
CREF+
CREF-
CINT
CAZ
BUFF
RAZ
I/O Positive connection for reference capacitor.
I/O Negative connection for reference capacitor.
O
I
Integrator output. Connect to integral capacitor
Auto-zero capacitor connection.
O
O
Buffer output pin. Connect to integral resistor
Buffer output pin in high-speed mode. Connect to high-speed integral
resistor.
9
IVSH
I
High current measurement input.
Ver 2.9
2
10/06/25
CYRUSTEK [ Cyrustek corporation ]
