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参数资料
| 型号： | TC14433EJG |
| 元件分类： | ADC |
| 英文描述： | 1-CH 3-BIT DUAL-SLOPE ADC, SERIAL ACCESS, CDIP24 |
| 封装： | CERAMIC, DIP-24 |
| 文件页数： | 14/20页 |
| 文件大小： | 356K |
| 代理商： | TC14433EJG |
2006 Microchip Technology Inc.
DS21394C-page 3
TC14433/A
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (VDD – VEE) ................... -0.5V to +18V
Voltage on Any Pin:
Reference to VEE .....................-0.5V to (VDD + 0.5)
DC Current, Any Pin: ....................................... ±10 mA
Power Dissipation (TA ≤ 70°C):
Plastic PLCC ................................................. 1.0W
Plastic PDIP.................................................. 940W
SOIC ............................................................. 940W
CERDIP ....................................................... 1.45W
Operating Temperature Range ............... 0°C to +70°C
Storage Temperature Range .............. -65°C to +160°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.
TABLE 1-1:
TC14433/A ELECTRICAL SPECIFICATIONS
Electrical Characteristics: VDD = +5V, VEE = -5V, C1 = 0.1 μF, (Mylar), C0 = 0.1 μF, RC = 300 kΩ, R1 = 470 kΩ @ VREF = 2V, R1 =
27 k
Ω @ VREF = 200 mV, TA = 25°C, unless otherwise specified.
Symbol
Parameter
Min
Typ
Max
Min
Typ
Max
Units
Test Conditions
Analog Input
SYE
Rollover Error (Positive) and
Negative Full Scale
Symmetry
-1
—
+1
—
Count
s
200 mV Full Scale
VIN -VIN = +VIN
NL
Linearity Output Reading
-0.05
+0.05
—
%rdg
VREF = 2V
-1 count
—
+1 count
—
%rdg
VREF = 200 mV
SOR
Stability Output Reading
——
2
—
LSD
VX = 1.99V,
VREF = 2V
——
3
—
LSD
VX = 199 mV,
VREF = 200 mV
ZOR
Zero Output Reading
—0
0
—
LSD
VX = 0V, VREF = 2V
IIN
Bias Current:
Analog Input
Reference Input
Analog Ground
—±20
±100
—
pA
—±20
±100
—
pA
—±20
±100
—
pA
CMRR
Common mode Rejection
—65
—
dB
VX = 1.4V, VREF = 2V,
FOC = 32 kHz
Note
1:
Accuracy – The accuracy of the meter at full scale is the accuracy of the setting of the reference voltage. Zero is
recalculated during each conversion cycle. The meaningful specification is linearity. In other words, the deviation from
correct reading for all inputs other than positive full scale and zero is defined as the linearity specification.
2:
The LSD stability for 200 mV scale is defined as the range that the LSD will occupy 95% of the time.
3:
Pin numbers refer to 24-pin PDIP.
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