Ver 1.2
6
22/02/24
ES269
6000 Counts Intelligent Auto-Function DMM IC
Pin No
Symbol
Type
Description
84
DISFLHSELP
I
The option pin is used to select flashlight and SEL key enable or
disable.
85
S600VEFSELP
I
The option pin is used to select the OL value as 600V or 1000V.
86
CSHN
O
Negative sample & hold capacitor
87
CSHP
O
Positive sample & hold capacitor
88
CALen
I
Pulled to V- to enable calibration scheme.
89
OPO_R
O
LED output driver
90
OPO_Y
O
LED output driver
91
OPO_G
O
LED output driver
92
PDRMS
O
Power control for root mean square circuit (RMS).
93
CN
O
Negative capacitor connection for on-chip DC-DC converter.
94
CP
O
Positive capacitor connection for on-chip DC-DC converter.
95
BAT9
I
Low battery configuration. If 3V battery is used, connect it to AGND.
The default low-battery thres hold 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)
96
V-
P
Digital negative supply voltage.
97
V-
P
Analog negative supply voltage.
98
V+
O/P
Digital positive supply voltage.
99
V+
O/P
Analog positive supply voltage.
100
AGND
P/G
Digital ground.
Absolute Maximum Ratings
Table 1. Absolute maximum ratings
Characteristic
Rating
Supply Voltage (V- to AGND)
-4V
Analog Input Voltage
V- -0.6 to V+ +0.6
V+
V+
≥
(AGND +0.5V)
AGND/AGND
AGND
≥
(V- -0.5V)
Digital Input
V- -0.6 to AGND +0.6
Power Dissipation. Flat Package
500mW
Operating Temperature
-20
℃
to 70
℃
Storage Temperature
-45
℃
to 125
℃
