參數(shù)資料
型號： MC68HC705E6MDWR2
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝： PLASTIC, SOIC-28
文件頁數(shù)： 18/140頁
文件大?。?/td> 1141K
代理商： MC68HC705E6MDWR2
Electrical Specications
MC68HC05E6 — Rev. 1.0
114
Electrical Specifications
MOTOROLA
A/D converter electrical characteristics
Table 25 A/D converter electrical characteristics for 5V operation
(VDD = 5.0 Vdc ± 10%, VSS = 0 Vdc, TA = TL to TH)
Characteristic
Parameter
Min
Max
Unit
Resolution
Number of bits resolved by A/D converter
8
—
Bits
Non-linearity
Maximum deviation from best straight line through
the A/D transfer characteristics
(VRH = VDD and VRL = 0V)
—
±0.5
LSB
Quantization error
Uncertainty due to converter resolution
—
±0.5
LSB
Absolute accuracy
Difference between the actual input voltage and the
full-scale equivalent of the binary output code for all
errors
—
±1.5
LSB
Conversion range
Analog input voltage range
VRL
VRH
V
VRH
Maximum analog reference voltage
VRL
VDD + 0.1
V
Conversion time
Total time to perform a single analog to digital
conversion
Bus clock
Internal RC oscillator
—
32
tCYC
s
Monotonicity
Conversion result never decreases with an increase
in input voltage and has no missing codes
Guaranteed
Zero input reading
Conversion result when VIN = VRL
$00
—
Hex
Full scale reading
Conversion result when VIN = VRH
—
$FF
Hex
Sample acquisition
time(1)
1. Source impedances greater than 10 k
will adversely affect internal RC charging time during input sampling.
Analog input acquisition sample time
Bus clock
Internal RC oscillator
—
12
tcyc
s
Sample/hold
capacitance
Input capacitance during sample ADIN
—
12
pF
Input leakage(2)
2. The external system error caused by input leakage current is approximately equal to the product of RSOURCE and input
current. Input current to A/D channel will be dependent on external source impedance (see Figure 17).
Input leakage on A/D pins ADIN and VREFH
—1
A
10-elec
相關(guān)PDF資料
PDF描述
MC68HC05E6MDWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
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MC68HC05F5FN 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
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