參數(shù)資料
型號(hào)： S83C196MH
廠商： INTEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝： SHRINK, QFP-80
文件頁(yè)數(shù)： 29/41頁(yè)
文件大小： 1547K
代理商： S83C196MH
8XC196MH INDUSTRIAL MOTOR CONTROL CHMOS MICROCONTROLLER
35
AC CHARACTERISTICS — A/D CONVERTER
Table 16. 10-bit A/D Operating Conditions (1)
Symbol
Description
Min
Max
Units
Notes
TA
Ambient Temperature
– 40
+ 85
°C
V
CC
Digital Supply Voltage
4.50
5.50
V
REF
Analog Supply Voltage
4.50
5.50
V
T
SAM
Sample Time
1.0
T
CONV
Conversion Time
10.0
20.0
F
OSC
Oscillator Frequency
8
16
MHz
NOTES:
1.
ANGND and V
SS should nominally be at the same potential.
2.
V
REF must not exceed VCC by more than + 0.5 V because VREF supplies both the resistor ladder and the
analog portion of the converter and input port pins.
3.
Program the AD_TIME register to meet the T
SAM and TCONV specifications.
Table 17. 10-bit Mode A/D Characteristics Over Specified Operating Conditions (1)
Parameter
Typical (3)
Min
Max
Units (2)
Notes
Resolution
1024
10
1024
10
Levels
Bits
Absolute Error
0
± 3LSBs
Full-scale Error
0.25
± 0.5
LSBs
Zero Offset Error
0.25
± 0.5
LSBs
Nonlinearity
1.0
± 2.0
± 3LSBs
Differential Nonlinearity
– 0.75
+ 0.75
LSBs
Channel-to-channel Matching
± 0.1
0
± 1
LSBs
Repeatability
± 0.25
0
LSBs
NOTES:
1.
Testing is performed with V
REF = 5.12 V and FOSC = 16 MHz.
2.
An
LSB, as used here, has a value of approximately 5 mV.
3.
Typical values are based on a limited number of samples and are not guaranteed. Operating conditions
for typical values are room temperature and V
REF = VCC = 5.5 V.
4.
DC to 100 KHz.
5.
Multiplexer break-before-make guaranteed.
6.
Resistance from device pin, through internal multiplexer, to sample capacitor.
7.
These values may be exceeded if the pin current is limited to ± 2mA.
8.
Applying voltage beyond these specifications will degrade the accuracy of other channels being con-
verted.
9.
All conversions were performed with processor in idle mode.
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