參數(shù)資料
型號(hào): TC820C/KW
元件分類(lèi): ADC
英文描述: 1-CH 3-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQFP44
封裝: 10 X 10 MM, 2 MM HEIGHT, PLASTIC, MQFP-44
文件頁(yè)數(shù): 29/34頁(yè)
文件大?。?/td> 435K
代理商: TC820C/KW
TC820
DS21476C-page 4
2007 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (VDD to GND) ...........................................15V
Analog Input Voltage:
(Either Input) (Note 1) ....................................... VDD to VSS
Reference Input Voltage (Either Input).................. VDD to VSS
Digital Inputs ..................................................... VDD to DGND
VDISP .................................................. VDD to (DGND – 0.3V)
Package Power Dissipation (TA – 70°C) (Note 2):
40-Lead Plastic DIP ..................................................1.23W
44-Lead PLCC ..........................................................1.23W
44-Lead Plastic Flat Package (PQFP) ......................1.00W
Operating Temperature Range:
"C" Devices .................................................... 0°C to +70°C
"E" Devices .................................................-40°C to +85°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.
ELECTRICAL CHARACTERISTICS
Electrical Characteristics: Unless otherwise specified, VSS = 9V, TA = +25°C
Parameter
Sym
Min
Typ
Max
Units
Test Conditions
Zero Input Reading
-000
±000
+000
Digital
Reading
VIN = 0V
Full Scale = 400 mV
Rollover Error
RE
-1
±0.2
+1
Counts
VIN = ±390 mV
Full Scale = 400 mV
Nonlinearity
(Maximum Deviation From Best
Straight Line Fit)
NL
-1
±0.2
+1
Count
Full Scale = 400 mV
Ratiometric Reading
1999
1999/2000
2000
VIN = VREF
Common Mode Rejection Ratio
CMRR
50
V/V
VCM = ±1V, VIN = 0V
Full Scale = 400 mV
(VFS = 200 mV)
Common Mode Voltage Range
VCMR
VSS + 1.5
VDD – 1
Input High, Input Low
Noise (P-P Value Not
Exceeded 95% of Time)
eN
—15
V
VIN = 0V
Full Scale = 400 mV
Input Leakage Current
IIN
——
VIN = 0V
1
10
pA
TA = +25°C
—20
pA
0°C
≤ T
A ≤ +70°C
100
pA
-40°C
≤ T
A ≤ +85°C
Analog Common Voltage
VCOM
3.15
3.3
3.45
V
25 k
Ω between Common
and VDD (VSS - VCOM)
Common Voltage Temperature
Coefficient
VCTC
——
25 k
Ω Between Common
and VDD
35
50
ppm/°C
0°C
≤ T
A ≤ +70°C
50
-40°C
≤ T
A ≤ +85°C
Zero Reading Drift
TCZS
——
VIN = 0V
—0.2
0°C
≤ T
A ≤ +70°C
1
-40°C
≤ T
A ≤ +85°C
Note
1:
Input voltages may exceed the supply voltages provided that input current is limited to ±100 A. Current above this
value may result in invalid display readings, but will not destroy the device if limited to ±1 mA.
2:
Dissipation ratings assume device is mounted with all leads soldered to printed circuit board.
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