ES51928
6000 Counts Smart DMM
62
63
64
65
66
67
68
69
70
71
72 – 77
78 – 79
80 – 88
89
90
91
92
93
94
95
96
97
98
99
100
SEL
HOLD
FC1
FC2
FC3
FUA
FA
AON
VON
CLAMP
SEG15 – 10
NC
SEG09 - 01
OSC2
OSC1
BKSEL
CESEL
C+
C-
V-
V-
V+
V+
DGND
AGND
I
I
I
I
I
I
I
I
I
I
O
-
O
I
O
Pulse to V- to select target measurement
Pulse to V- to enable HOLD function.
Switch 1 for function selection.
Switch 2 for function selection.
Switch 3 for function selection.
Switch 1 for current measurement selection.
Switch 2 for current measurement selection.
Pull to high to sense current measurement priority in auto scan mode
Pull to high to sense voltage measurement priority in auto scan mode
Switch for clamp meter application function
LCD segment line 10 – 15
LCD segment line 01 – 09
Crystal oscillator input connection
Crystal oscillator output connection
When pulled to V-, an auto back light configuration is allowed.
Configure a low level applied to BKLIT larger than 1 second, the
I
BKOUT will be active.
If BKLIT is back to high level, the BKOUT would be inactive.
I
OL selection feature control pin.
O Positive capacitor connection for on-chip DC-DC converter.
O Negative capacitor connection for on-chip DC-DC converter.
P Negative supply voltage. Connecting to battery negative terminal.
P Negative supply voltage. Connecting to battery negative terminal.
P/O Output of on-chip DC-DC converter.
P/O Output of on-chip DC-DC converter.
G Digital ground.
G Analog ground.
Absolute Maximum Ratings
Characteristic
Supply Voltage (V- to AGND)
Analog Input Voltage
V+
AGND/DGND
Digital Input
Power Dissipation. Flat Package
Operating Temperature
Storage Temperature
Rating
-4V
V- -0.6 to V+ +0.6
V+
≥
(AGND/DGND+0.5V)
AGND/DGND
≥
(V- -0.5V)
V- -0.6 to DGND +0.6
500mW
0℃ to 70℃
-25℃ to 125℃
Ver 2.9
4
10/06/25
CYRUSTEK [ Cyrustek corporation ]
