ICL7116 Datasheet, PDF (2/4 Pages) Intersil Corporation – 31/2 Digit, LCD/LED Display, A/D Converter with Display Hold

ICL7116
Electrical Characteristics
TA = 25⁰C, fCLOCK = 48kHz, VREF = 100mV
PARAMETER
SYSTEM PERFORMANCE
Zero Input Reading
TEST CONDITIONS
UNITS
MIN.
TYP.
VIN = 0V, Full Scale = 200mV
-000.0 ±000.0 +000.0
Ratiometric Reading
Rollover Error
Linearity
Common Mode Rejection
Ratio
VIN = VREF, VREF = 100mV
-VIN = +VIN ≅ 195mV Difference
in Reading for Egual Positive and
Negative Inputs Near Full Scale
Full Scale = 200mV or Full Scale =
2V Maximum Deviation from Best
Straight Line Fit (Note 5)
VCM = ±1V, VIN = 0V,
Full Scale = 200mV (Note 5)
999 999/1000 1000
-
±0.2
±1
-
±0.2
±1
-
50 -
Noise
Leakage Current Input
Zero Reading Drift
Scale Factor Temperature
Coefficient
V + Supply Current
COMMON Pin Analog
Common Voltage
Temperature Coefficient of
Analog Common
VIN = 0V, Full Scale = 200 mV
(Peak-To-Peak Value Not Exceeded
-
95% of Time) (Note 5)
VIN = 0 (Note 5)
-
VIN = 0,0⁰C To 70⁰C (Note 5)
-
VIN = 199mV, 0^{0C To 700C (Note 5)}
-
VIN = 0
-
25kΩ Between Common and
Positive Supply (With Respect to +
2.4
Supply)
25kΩ Between Common and
Positive Supply (With Respect to +
-
Supply) (Note 5)
15 -
1
10
0.2
1
1
5
1.0
1.8
3.0 3.2
80 -
DISPLAY DRIVER (ICL7116
ONLY)
Peak-To-Peak Segment Drive
Voltage
V + = to V - = 9V, (Note 4)
Peak-To-Peak Backplane
Drive Voltage
NOTES:
1. Input voltages may exceed the supply voltages provided the input
4
5.5
6
current is limited to ±100µA.
2. θJA is measured with the component mount ed on an evaluation PC board in free air.
MAX.
Digital
Reading
Digital
Reading
Counts
Counts
µV/V
µV
pA
µV/⁰C
ppm/⁰C
mA
V
ppm/⁰C
V
3. Unless otherwise noted, s pecifications apply to both the ICL7116. ICL7116 is tested in the circuit of Figure 1.
4. Back plane drive is in phase with segment drive for ‘off’segment, 180 degrees out of phase for ‘on’segment.
Frequency is 20 times conversion rate. Average DC component is less than 50mV.
5. Not tested, guaranteed by design.
BEIJING ESTEK ELECTRONICS CO.,LTD
2