ICL7129 Intersil, ICL7129 Datasheet - Page 3

• Manufacturer Part Number: ICL7129
• Description: 41/2 Digit LCD/ Single-Chip A/D Converter
• Manufacturer: Intersil

Absolute Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Reference Voltage (REF HI or REF LO). . . . . . . . . . . . . . . . V+ to V-
Input Voltage (Note 1), IN HI or IN LO . . . . . . . . . . . . . . . . . V+ to V-
V
Digital Input Pins
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
Electrical Specifications
NOTE:
Zero Input Reading
Zero Reading Drift
Ratiometric Reading
Range Change Accuracy
Rollover Error
Linearity Error
Input Common-Mode Rejection Ratio
Input Common-Mode Voltage Range
Noise (Peak-To-Peak Value not Exceeded 95% of Time) V
Input Leakage Current
Scale Factor Tempco
COMMON Voltage
COMMON Sink Current
COMMON Source Current
DGND VoItage
DGND Sink Current
Supply Voltage Range
Supply Current Excluding COMMON Current
Clock Frequency
V
Low Battery Flag Activation Voltage
CONTINUITY Comparator Threshold Voltages
Pull-Down Current
“Weak Output” Current Sink/Source
Pin 22 Source Current
Pin 22 Sink Current
1. Input voltages may exceed the supply voltages provided that input current is limited to 1400mA. Currents above this value may result in
2.
3. Device functionality is guaranteed at the stated Min/Max limits. However, accuracy can degrade under these conditions.
DISP
1, 2, 19, 20, 21, 22, 27, 37, 38, 39, 40 . . . . . . . . . . . . . DGND to V+
DISP
valid display readings but will not destroy the device if limited to 1mA.
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DGND -0.3V to V+
Resistance
is measured with the component mounted on an evaluation PC board in free air.
PARAMETER
V- to V+ = 9V, V
REF
V
V
V
V
Range
-V
200mV Scale
V
V
V
V
External V
V+ to Pin 28
V+ to Pin 36, V+ to V- = 9V
V+ to V- (Note 3)
V+ to V- = 9V
(Note 3)
V
V+ to V-
V
V
Pins 37, 38, 39
Pins 20, 21 Sink/Source
Pin 27 Sink/Source
= 1.00V, T
IN
IN
IN
IN
CM
IN
IN
IN
IN
Common = + 0.1V
Common = -0.1V
DGND = +0.5V
DISP
OUT
OUT
IN
= 0V, 200mV Scale
= 0V, 0
= V
= 0.10000V on Low,
= 0V, 200mV Scale
= 0V 200mV Scale
= 0V, Pin 32, 33
= 199mV 0
= +V
= 1V,V
Pin 27 = HI
Pin 27 = LO
to V+
REF
ICL7129
V
TEST CONDITIONS
IN
REF
IN
A
o
3-33
IN
= 1000mV, RANGE = 2V
= 199mV
C To 70
= 25
= 1.0000V on High Range
= 0V, 200mV Scale
o
= 0ppm/
Thermal Information
Thermal Resistance (Typical, Note 2)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . 150
Maximum Storage Temperature Range . . . . . . . . . .-65
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300
C To 70
o
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(MQFP - Lead Tips Only)
C, f
o
C
CLK
o
o
C
C
= 120kHz, Unless Otherwise Specified
0.9999
-0000
9996
MIN
100
2.8
4.5
6.3
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
(V-) +1.5
(V+) -1.0
1.0000
0000
9999
TYP
110
120
200
200
1.5
1.0
3.2
0.6
5.3
1.2
1.0
7.2
3/3
3/9
14
10
50
40
0.5
1
2
9
2
3
1.0001
+0000
10000
MAX
360
400
3.0
3.5
5.8
1.5
7.7
10
12
10
7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
o
C to 150
JA
ppm/
Counts
Counts
Counts
Counts
UNITS
Ratio
(
kHz
V/
mA
mA
mA
mV
mV
o
50
80
dB
pA
k
V
V
V
V
V
C/W)
V
A
A
A
A
A
A
o
o
o
C
C
o
o
C
C
C