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ICL7116 查看數據表(PDF) - Intersil

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ICL7116 3 1/2 Digit, LCD/LED Display, A/D Converter with Display Hold Intersil
Intersil Intersil
ICL7116 Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ICL7116, ICL7117
Absolute Maximum Ratings
Supply Voltage
ICL7116, V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
ICL7117, V+ to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
ICL7117, V- to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-9V
Analog Input Voltage (Either Input) (Note 1). . . . . . . . . . . . . V+ to V-
Reference Input Voltage (Either Input) . . . . . . . . . . . . . . . . . V+ to V-
Clock Input
ICL7116 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TEST to V+
ICL7117 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND to V+
Thermal Information
Thermal Resistance (Typical, Note 2)
θJA (oC/W)
PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50
MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
80
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
(MQFP - Lead Tips Only)
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . .0oC to 70oC
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. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications (Note 3) TA = 25oC, fCLOCK = 48kHz, VREF = 100mV
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
SYSTEM PERFORMANCE
Zero Input Reading
VIN = 0V, Full Scale = 200mV
-000.0 ±000.0 +000.0 Digital
Reading
Ratiometric Reading
VlN = VREF, VREF = 100mV
999 999/ 1000 Digital
1000
Reading
Rollover Error
-VIN = +VlN 195mV Difference in Reading for Equal
-
Positive and Negative Inputs Near Full Scale
±0.2
±1 Counts
Linearity
Full Scale = 200mV or Full Scale = 2V Maximum
Deviation from Best Straight Line Fit (Note 5)
-
±0.2
±1 Counts
Common Mode Rejection Ratio
Noise
VCM = ±1V, VIN = 0V, Full Scale = 200mV (Note 5)
-
50
-
µV/V
VIN = 0V, Full Scale = 200mV (Peak-To-Peak Value
-
15
-
µV
Not Exceeded 95% of Time) (Note 5)
Leakage Current Input
Zero Reading Drift
Scale Factor Temperature Coefficient
V+ Supply Current
V- Supply Current
VlN = 0 (Note 5)
-
VlN = 0, 0oC To 70oC (Note 5)
-
VIN = 199mV, 0oC To 70oC (Note 5)
-
VIN = 0 (Does Not Include LED Current for ICL7117)
-
ICL7117 Only
-
1
10
pA
0.2
1
µV/oC
1
5 ppm/oC
1.0
1.8
mA
0.6
1.8
mA
COMMON Pin Analog Common Voltage 25kBetween Common and Positive Supply (With
2.4
3.0
3.2
V
Respect to + Supply)
Temperature Coefficient of Analog Common 25kBetween Common and Positive Supply (With
-
80
-
ppm/oC
Respect to + Supply) (Note 5)
DISPLAY DRIVER (ICL7116 ONLY)
Peak-To-Peak Segment Drive Voltage
Peak-To-Peak Backplane Drive Voltage
V+ = to V- = 9V, (Note 4)
4
5.5
6
V
DISPLAY DRIVER (ICL7117 ONLY)
Segment Sinking Current
(Except Pins 19 and 20)
V+ = 5V, Segment Voltage = 3V
5
8
-
mA
Pin 19 Only
10
16
-
mA
Pin 20 Only
4
7
-
mA
NOTES:
3. Unless otherwise noted, specifications apply to both the ICL7116 and ICL7117. ICL7116 is tested in the circuit of Figure 1. ICL7117 is
tested in the circuit of Figure 2.
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 con-
version rate. Average DC component is less than 50mV.
5. Not tested, guaranteed by design.
2
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