ES51982
3 1/2 CAP AUTO DMM
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
0.9
Max
-2.2
1.4
Units
V
mA
Normal operation
In sleep mode
ISS
2.5
5
µA
—
—
—
Voltage roll-over error
Voltage nonlinearity
REV
10MΩ input resistance
±0.1
%F.S
—
—
NLV
VREF
Best case straight line
±0.1
%F.S
Input Leakage
Low battery flag voltage
Zero input reading
Reference voltage and open
circuit voltage for 200Ω
measurement
-10
-2.5
-000
1
-2.3
000
10
-2.1
+000 counts
PA
V
V- to AGND
10MΩ input resistance
100KΩ resistor
between VRH and
AGND
-1.3
-1.2
-1.1
V
Peak to peak backplane
drive voltage
Counter time base period
3.00
3.2
1
3.40
V
sec
V
-3.5V≤ V ≤-2.2V
fOSC = 4MHZ
—
—
Open circuit voltage for Ω
measurement (except 200Ω)
Ω and Continuity
Mode
-0.54
—
-0.47
-0.4
—
Between V- pin and
HOLD, RANGE,
KEY, FC1, FC2,
FC3, FC4, FC5,
XTAL, BKLIT
Between V- pin
and RS232
1.2
Internal pull-high to 0V
current
µA
—
—
11
Internal pull-low to V-
current
AC frequency response at
2.000V range
Between GND Pin and
SLACDC
±1%
1.5
µA
HZ
40-400
—
—
—
—
±5%
40-2000
5
11/01/05