參數(shù)資料
型號(hào): MB89663RPF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64
封裝: PLASTIC, QFP-64
文件頁數(shù): 27/47頁
文件大?。?/td> 649K
代理商: MB89663RPF
33
MB89660R Series
5. A/D Converter Electrical Characteristics
(AVCC = VCC = +3.5 V to 6.0 V, AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
* : For information on tinst, see “(4) Instruction Cycle” in “4. AC Characteristics.”
6. A/D Glossary
Resolution
Analog changes that are identifiable by the A/D converter
When the number of bits is 8, analog voltage can be divided into 28 = 256.
Linearity error (unit: LSB)
The deviation of the straight line connecting the zero transition point (“0000 0000”
“0000 0001”) with the
full-scale transition point (“1111 1111”
“1111 1110”) from actual conversion characteristics
Differential linearity error (unit: LSB)
The deviation of input voltage needed to change the output code by 1 LSB from the theoretical value
Total error (unit: LSB)
The difference between theoretical and actual conversion values
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
Typ.
Max.
Resolution
——
8
bit
Total error
AVR = AVCC
——
±2.0
LSB
Linearity error
±1.0
LSB
Differential linearity error
±0.9
LSB
Zero transition voltage
VOT
AVSS
1.5 LSB
AVSS+
0.5 LSB
AVSS+
2.5 LSB
mV
Full-scale transition
voltage
VFST
AVR –
3.5 LSB
AVR –
1.5 LSB
AVR +
0.5 LSB
mV
Interchannel disparity
——
1
LSB
A/D mode conversion time
—44 tisnt*—
s
Sense mode conversion
time
—12 tinst*—
s
Analog port input circuit
IAIN
AN0 to AN7
——
10
A
Analog input voltage
0
AVR
V
Reference voltage
AVR
0—
AVCC
V
Reference voltage
supply current
IR
AVR = 5.0 V
when A/D
conversion is
operating
150
A
IRH
AVR = 5.0 V
when A/D
conversion is
not operating
——
5
A
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