Absolute Maximum Ratings
Characteristic
Supply Voltage (V- to AGND)
Analog Input Voltage
V+
Rating
-4V
V- -0.6 to V+ +0.6
V+ ≥ (AGND/DGND+0.5V)
AGND/DGND
AGND/DGND ≥ (V- -0.5V)
V- -0.6 to DGND +0.6
500mW
Digital Input
Power Dissipation. Flat Package
Operating Temperature
0℃ to 70℃
Storage Temperature
-25℃ to 125℃
Electrical Characteristics
TA=25℃, V- = -3V
Parameter
Power supply
Operating supply current
In DCV mode
Symbol
V-
IDD
Test Condition
Min.
-3.5
—
Typ.
-3.0
1.8
Max
-2.2
2.0
Units
V
mA
Normal operation
In sleep mode
ISS
2.5
—
5
µA
%F.S1
—
—
Voltage roll-over error
REV 10MΩ input resistor
±0.05
Best case straight
—
—
Voltage nonlinearity
NLV
line
±0.05
%F.S
Input Leakage
Low battery flag voltage
Zero input reading
-10
-2.4
1
-2.3
000
10
-2.2
+000
pA
V
counts
V- to AGND
10MΩ input resistor -000
100KΩ resistor
Reference voltage
VREF between VRH and
-1.33
-1.23
-1.13
V
AGND
Peak to peak backplane
drive voltage
Counter time base period
-3.5V≤ V ≤-2.2V
3.1
—
—
3.2
1
3.3
—
—
V
sec
V
fOSC = 4MHZ
Ω and Continuity
Mode
Open circuit voltage for 110Ω range
-3.0
Open circuit voltage for Ω
measurement (except 110Ω)
-0.38
—
-0.34
1.2
-0.30
—
V
Between V- pin and
HOLD, RANGE,
KEY, FC1~FC5,
BKLIT,MAXMIN
Between V- pin
and RS232
Internal pull-high to 0V
current
µA
—
—
11
Internal pull-low to V-
current
AC frequency response at 1.1000V
range
Between GND Pin
and PWN
±1%
1.5
µA
HZ
40-400
—
—
—
—
±5%
400-2000
Input from ADOHZ
Duty cycle=50%
Sensitivity in VAHZ mode
600
mV(Vpp)
v1.2
5
11/09/06
CYRUSTEK [ Cyrustek corporation ]
