ES278 Datasheet, PDF (6/25 Pages) Cyrustek corporation – 4000 Counts Manual DMM

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
ES278
4000 Counts Manual DMM
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
-20℃ to 70℃
-45℃ to 125℃
Electrical Characteristics
Parameter
Symbol
Power supply
Operating supply current In
DCV mode
Voltage roll-over error
V-
I_DD
I_SS
REV
Voltage nonlinearity
NLV
Zero input reading
Band-gap reference voltage
V_REF
Open circuit voltage for 400Ω
measurement
Open circuit voltage for other Ω
measurement
Test Condition
Normal operation
In sleep mode
10MΩ input resistor
Best case straight line
CIL=MPR capacitor
10MΩ input resistor
100KΩ resistor between
VRH and AGND
V-=3V
Min.
2.4
—
—
—
—
-000
-1.30
—
-1.19
Peak to peak backplane voltage V_LCD -3.5V≤ V- ≤-2.2V
3.0
Low battery flag voltage
V- to AGND (LBAT9 -2.4
connected to GND)
Typ.
-3.0
1.8
—
—
—
000
-1.23
-3.0
-1.08
3.1
-2.3
T_A=23^oC
Max Units
3.3
V
2.2 mA
10
µA
±0.1 %F.S¹
±0.1 %F.S¹
+000 counts
-1.16 V
—
V
-0.97 V
3.2
V
-2.2
V
Internal pull-high to 0V current
Between V- pin and
HOLD, KEY,
FC1-FC6, MMX
—
1.2
—
µA
AC frequency response at
4.000V range
Capacitance measurement
accuracy
Capacitance measurement
accuracy
Reference voltage temperature
coefficient
Note:
1. Full Scale.
±1%
±5% (No compensated)
4nF – 400uF
4mF – 40mF
TC_RF -20℃<T_A<70℃
— 40-400 —
— 400-4000 —
-2.5
—
2.5
-3
—
3
-3.5
—
3.5
5
—
5
—
100
—
HZ
%
counts
%
counts
ppm/℃
V 1.5
6
2015/12/11