ES51999
4 3/4 and 5 3/4 A/D AUTO
Absolute Maximum Ratings
Characteristic
Rating
Positive Supply Voltage
(V+ to AGND)
3.5V
Negative Supply Voltage
(V- to AGND)
-3.5V
Analog I/O Voltage
Digital I/O Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Lead Temperature
(soldering, 10sec)
((V-) - 0.5V) to ((V+) + 0.5V)
((V-) - 0.5V) to ((V+) + 0.5V)
800mW
0°C to 70°C
-25°C to 125°C
270°C
Electrical Characteristics
TA=25°C, DGND=AGND=0V
Symbol Parameter
Test Condition
Min. Typ. Max. Unit
V+
Positive Power Supply
2.3
-2.3
-
2.5
-2.5
1.0
2.7
-2.7
1.7
V
V
V-
Negative Power Supply
Operation
I(V+)
Normal power on (V+ to V-)
mA
Supply Current
I(GND) Supply Current of DGND
to V-
Zero
5
10
0
-
mA
∆V between DGND and V- is -
0.2V
Zero Input Reading
-0
+0
count
1 MΩ input resistor, null to zero
by uP.
NLV1
REV1
Nonlinearity (Voltage x1) Best case straight line
-0.01
-0.01
-
-
0.01 %F.S.
0.01 %F.S.
Rollover Error
(Voltage x1)
1 MΩ input resistor
NLV10 Nonlinearity
(Voltage x10)
Best case straight line
1 MΩ input resistor
-0.1
-0.1
-
-
0.1 %F.S.
0.1 %F.S.
REV10 Rollover Error
(Voltage x10)
V12
Band Gap Voltage
Reference
-1.31
-1.23 -1.10
V
100 kΩ between V12 and AGND
LBATT Low Battery Detection
TCRF
LBATT to V12
100 kΩ between V12 and AGND
(0°C to 70°C)
-60
-
0
50
60
-
mV
ppm/°C
Reference Voltage (V12)
Temperature Coefficient
2
07/07/06
CYRUSTEK [ Cyrustek corporation ]
