WS7106/WS710
7
Absolute Maximum Ratings
Supply Voltage
WS7106, V+ to V-…………………………….15v
WS7107, V+ to GND…………………….……6V
WS7107, V_ to GND……………………. ….-9V
Analog Input Voltage (Either Input) (Note 1)V+ to V-
Reference Input Voltage (Either Input)V+ to V-
Clock Input
WS7106TEST to V+
WS7107GND to V+
Thermal Information
Thermal Resistance (typical, Note 2)
θ
JA
(℃/W)
50
PDIP Package……………………………………………. …… …………
Maximum Junction Temperature…………………………………….. ………150℃
Maximum Storage Temperature Range………………….………..-65℃ to 150℃
Operating Conditions
Temperature Range…………………………0℃ to 70℃
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:
1. Input voltages may exceed the supply voltages provided the input current is limited to ±100µA
2.
Θ
JA
Is measured with the component mounted on an evaluation PC on board in fee air.
Electrical specifications
PARAMETER
SYSTEM PERFORMACE
Zero Input Reading
Ratiometric Reading
(Note 3)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
IN
=0.0V, FULL Scale = 200mV
V
IN
= V
REF
, V
REF
= 100mV
-V
IN
=+V
IN
=200mV
Difference in Reading for Equal Positive and
Negative Inputs Near Full Scale
Full Scale = 200mV or Full Scale = 2V Maximum
Deviation from Best Straight Line Fit (note 6)
V
CM
= 1V, V
IN
= 0V, Full Scale = 200mv(Note 6)
V
IN
= 0 (Does Not Include LED Current for WS7107
WS7107 Only
25kΩ Between Common and Positive Supply (With
Respect to + Supply)
V
IN
=0V Full Scale=200mV
V
IN
=0V
25K between Common and V+ 0℃-70℃
V
IN
=199mV 0℃-70℃Ext. ref. 0ppm/℃
V
IN
=0℃V-70℃
-000.0
999
±000.0
999/1000
+000.0
1000
Digital
Reading
Digital
Reading
Counts
Rollover Error
-1
0.2
+1
Linearity
Common Mode Rejection Ratio
End Power Supply Character V+ Supply Current
End Power Supply Character V- Supply Current
COMMON Pin Analog Common Voltage
Noise (P
K
-P
K
Value not exceeded 95% of time)
Input Leakage Current
Analog COMMON Temperature Coefficient
Scale Factor Temperature Coefficient
Zero Reading Drift
-1
-
-
-
2.4
0.2
50
0.5
0.5
3.0
15
1
60
60
0.2
+1
-
1.8
1.8
3.2
Counts
μV/V
mA
mA
V
uV
P-P
10
75
75
1
pA
ppm/℃
ppm/℃
uV/℃
DISPLAY DRIVER
WS7106 ONLY
Peak-to-Peak Segment Drive Voltage
Peak-to-Peak Backplane Drive Voltage
V+ = to V- = 9V (Note 5)
4
5
6
V
2
WINGS [ WING SHING COMPUTER COMPONENTS ]
