TC826CBU Просмотр технического описания (PDF) - Microchip Technology
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TC826CBU Datasheet PDF : 18 Pages
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TC826
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (V+ to V-)....................................... 15V
Analog Input Voltage (Either Input) (Note 1)... V+ to V-
Power Dissipation (TA ≤ 70°C)
64-Pin Plastic Flat Package ............................... 1.14W
Operating Temperature Range:
Commercial Package (C) ........................ 0°C to +70°C
Storage Temperature Range .............. -65°C to +150°C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC826 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: VS = 9V; ROSC = 430kΩ; TA = 25°C; Full Scale = 20mV, unless otherwise stated.
Symbol
Parameter
Min
Typ Max
Unit
Test Conditions
Zero Input
Zero Reading Drift
NL
Linearity Error
-0
±0
+0 Display VIN = 0.0V
—
0.2
1
µV/°C VIN = 0.0V
0°C ≤ TA ≤ +70°C
-1
0.5
+1 Count Max Deviation from Best Straight Line
R/O
Rollover Error
-1
0
+1
Count -VIN = +VIN
EN
Noise
—
60
—
µVP-P VIN = 0V
ILK
Input Leakage Current
—
10
20
pA VIN = 0V
CMRR Common Mode Rejection Ratio
—
50
—
µV/V VCM = ±1V
VIN = 0V
Scale Factor Temperature Coefficient
—
1
— ppm/°C 0 ≤ TA ≤ 7 +0°C
External Ref. Temperature
Coefficient = 0ppm/°C
VCTC
VCOM
VSD
VBD
IDD
Analog Common Temperature
Coefficient
Analog Common Voltage
LCD Segment Drive Voltage
LCD Backplane Drive Voltage
Power Supply Current
—
35
100 ppm/°C 250kΩ between Common and
V+, 0°C ≤ TA ≤ +70°C
2.7
2.9
3.35
V
250kΩ between Common and VDD
4
5
6
VP-P
4
5
6
VP-P
—
125
175
µA
Note 1: Input voltages may exceed the supply voltages when the input current is limited to 100µA.
2: Static sensitive device. Unused devices should be stored in conductive material to protect devices from static discharge
and static fields.
3: Backplane drive is in phase with segment drive for ‘off’ segment and 180°C out of phase for ‘on’ segment. Frequency is
10 times conversion rate.
4: Logic input pins 58, 59, and 60 should be connected through 1MΩ series resistors to VSS for logic 0.
© 2002 Microchip Technology Inc.
DS21477B-page 3
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