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HI7131 Datasheet(PDF) 5 Page - Intersil Corporation

Part No. HI7131
Description  3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters
Download  25 Pages
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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HI7131 Datasheet(HTML) 5 Page - Intersil Corporation

 
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5
Ratiometric Reading
VIN HI = VREF HI, VIN LO = VREF LO = VCOMMON
VREF HI - VREF LO = 100mV
999
999/
1000
1001
Reading
Rollover Error
VIN = ±199mV
-
±0.2
±1
Count
Linearity Error
FSR = 200mV or 2V (Notes 5, 8)
-
±0.2
±1
Count
Zero Input Reading Drift
VIN = 0V
Over Full Temperature Range
(Notes 5, 8)
-
±0.2
±1
±0.01
µV/oC
Count/oC
Scale Factor Temperature Coefficient
VIN = 199mV, Over Full Temperature Range,
Reference Drift Not Included (Notes 5, 8)
-
±1
±5
±0.01
ppm/oC
Count/oC
Equivalent Input Noise (Peak-To-Peak
Value Not Exceeded 95% of the Time)
VIN = 0V (Notes 5, 8)
-
15
0.15
-
µV
Count
INPUT
Common Mode Voltage Sensitivity
VCM = ±1V, VIN = 0V (Notes 5, 6, 8, 9)
-
-
1
0.01
µV/V
Count/V
Input Leakage Current
VIN = 0V (Notes 5, 8)
-
1
10
pA
Overload Recovery Period
VIN Changing from ±10V to 0V
(Notes 5, 8)
-
-
1
Conversion
Cycle
COMMON PIN
COMMON Pin Voltage (With Respect
to V+, i.e., V+ - VCOMMON)
V+ to V- = 10V
2.4
2.8
3.2
V
COMMON Pin Voltage Temperature
Coefficient
V+ to V- = 10V (Notes 5, 8)
-
150
-
ppm/oC
COMMON Pin Sink Current
+0.1V Change on VCOMMON (Note 5)
-
3
-
mA
COMMON Pin Source Current
-0.1V Change on VCOMMON (Note 5)
-
1
-
µA
DISPLAY DRIVER (HI7131)
Peak-To-Peak Segment Drive Voltage V+ to V- = 10V
4
5
6
V
Peak-To-Peak Backplane Drive Volt-
age
456
V
POWER SUPPLY (Nominal Supply Voltage; V+ to V- = 10V)
Supply Current (Does Not Include
COMMON Pin Current)
VIN = 0V (Note 10)
Oscillator Frequency = 16kHz
-70
100
µA
Power Dissipation Capacitance
VS Clock Frequency (Notes 5, 8)
-
40
-
pF
DISPLAY DRIVER (HI7133)
Segment Sink Current
(Except Pins 19 and 20)
V+ = +5.0V
Driver Pin Voltage = 3.0V
58.5
-
mA
Pin 19 Sink Current
10
16
-
mA
Pin 20 Sink Current
47
-
mA
POWER SUPPLY Nominal Supply Voltage; V+ = +5V, V- = -5V, Both Respect to GND Pin
Electrical Specifications (Notes 5, 6, 7) TA = 25oC. Device is Tested in the Circuit Shown in Figure 2.
Full Scale Range (FSR) = 200.0mV, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
HI7131, HI7133


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