ES237 Datasheet, PDF (6/37 Pages) Cyrustek corporation – 6000 Counts DMM

ES237
6000 Counts DMM
Absolute Maximum Ratings
Characteristic
Supply Voltage (V- to AGND)
Analog Input Voltage
V+
AGND/DGND
Digital Input
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
Power Dissipation. Flat Package
500mW
Operating Temperature
-20℃ to 70℃
Storage Temperature
-45℃ to 125℃
Electrical Characteristics
Parameter
Symbol
Test Condition
Min.
Power supply
Operating supply current In
DCV mode
Voltage roll-over error
Voltage nonlinearity
V-
2.4
I_DD Normal operation
—
I_SS In sleep mode
—
REV 10MΩ input resistor
—
NLV
Best case straight line
CIL=MPR capacitor
—
Zero input reading
10MΩ input resistor
-000
Band-gap reference voltage
V_REF
100KΩ resistor between
VRH and AGND
-1.30
Open circuit voltage for 600Ω
measurement
Open circuit voltage for other Ω
measurement
V-=3V
—
-1.19
Typ.
-3.0
1.8
—
—
—
000
-1.23
-3.0
-1.08
Max
3.3
2.5
10
±0.1
±0.1
Units
V
mA
µA
%F.S¹
%F.S¹
+000 counts
-1.16 V
—
V
-0.97 V
Peak to peak backplane voltage
Internal pull-high to 0V current
-3.5V≤ V ≤-2.2V
3.0
3.1
3.2
V
Between V- pin and
HOLD, RANGE, KEY, —
1.2
—
µA
FC1-FC5, BKLIT,
Between V- pin
and RS232
—
11
—
µA
AC frequency response at
6.000V range
±1%
— 40-400 —
HZ
±5% (No compensated) — 400-2000 —
3dB frequency for LPF mode
F_3dB = 1kHz
F_3dB = Full
—
1k
100k
—
—
kHz
—
kHz
Multi-level low battery detector
V_t1
LBAT9 vs. V-
V_t2
—
2.15
—
V
—
1.82
—
Reference voltage temperature
coefficient
Capacitance measurement
accuracy
TC_RF -20℃<T_A<70℃
6.0nF – 60mF
—
100
— ppm/℃
-2.5²
—
2.5²
%
-3
—
3 counts
Note:
1. Full Scale.
2. When capacitance measurement (Clamp mode) is selected, the additional error 1% should be increased.
V 2.2
6
2015/12/15