參數(shù)資料
型號(hào)： MB89W625C-SH
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-bit Proprietary Microcontroller
中文描述： 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, CDIP64
封裝： SHRINK, CERAMIC, DIP-64
文件頁(yè)數(shù)： 43/61頁(yè)
文件大?。?/td> 937K
代理商： MB89W625C-SH
MB89620 Series
43
5. A/D Converter Electrical Characteristics
(AV
CC
= V
CC
= +3.5 V to +6.0 V, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
*: For information on t
inst
, see “(4) Instruction Cycle” in “4 AC Characteristics.”
(1) A/D Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
When the number of bits is 8, analog voltage can be divided into 2
8
= 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
Condition
Unit
Remarks
Min.
Typ.
Max.
Resolution
—
—
—
—
—
8
bit
Total error
AVR =
AV
CC
—
—
±
1.5
±
1.0
LSB
Linearity error
—
—
LSB
Differential linearity
error
—
—
±
0.9
LSB
Zero transition
voltage
V
OT
AV
SS
– 1.0
LSB
AV
SS
+ 0.5
LSB
AV
SS
+ 2.0
LSB
mV
Full-scale transition
voltage
V
FST
AVR – 3.0
LSB
AVR – 1.5
LSB
AVR
mV
Interchannel
disparity
—
—
—
0.5
LSB
A/D mode
conversion time
—
—
44 t
inst
*
—
μ
s
Sense mode
conversion time
—
12 t
inst
*
—
μ
s
Analog port input
current
I
AIN
AN0 to
AN7
—
—
10
μ
A
Analog input voltage
—
0.0
—
AVR
V
Reference voltage
—
AVR
0.0
—
AV
CC
V
Reference voltage
supply current
I
R
AVR = 5.0 V,
when A/D
conversion
is activated
—
100
μ
A
I
RH
AVR = 5.0 V,
when A/D
conversion
is stopped
—
—
1
μ
A
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