參數(shù)資料
型號： MB90394HAPMT
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP120
封裝： PLASTIC, LQFP-120
文件頁數(shù)： 62/74頁
文件大?。?/td> 886K
代理商： MB90394HAPMT
MB90390 Series
65
5.
A/D Converter
(TA
= 40 °C to +85 °C, 3.0 V ≤ AVRH AVRL, VCC = AVCC = 5.0 V ± 10%, VSS = AVSS = 0 V)
* : When not operating A/D converter, this is the current (VCC
= AVCC = AVRH = 5.0 V) .
Terminology
Conversion error
: Absolute maximum conversion deviation with respect to the theoretical conversion
line.
Nonlinearity
: Relative maximum conversion deviation with respect to the theoretical conversion line
connecting to the device unique zero reading voltage and full scale reading voltage.
Differential nonlinearity
: Max conversion deviation in any two adjacent reading voltages with respect to the
theoretical LSB conversion step.
Zero reading voltage
: Input voltage which results in the minimum conversion value.
Full scale reading voltage : Input voltage which results in the maximum conversion value.
Notes :
The accuracy gets worse as AVRH AVRL becomes smaller.
tCP is the machine clock cycle time. Refer to “ (1) Clock timing” in “4. AC Characteristics”.
Parameter
Symbol
Pin
Value
Unit
Remarks
Min
Typ
Max
Resolution
10
bit
Conversion error
±3.0
LSB
Nonlinearity error
±2.5
LSB
Differential nonlinearity
error
±1.9
LSB
Zero reading voltage
VOT
AN0 to AN14 AVRL
1.5 AVRL + 0.5 AVRL + 2.5 LSB
Full scale reading
voltage
VFST
AN0 to AN14 AVRH
3.5 AVRH 1.5 AVRH + 0.5 LSB
Compare time
3.3
16500
s
3.3 (= 66 tCP)
sfCP = 20 MHz
3.7 (= 88 tCP)
sfCP = 24 MHz
Sampling time
1.6
∞
s
1.6 (= 32 tCP)
sfCP = 20 MHz
2 (= 48 tCP)
sfCP = 24 MHz
Analog port input current
IAIN
AN0 to AN14
1
+1
A
Analog input voltage
range
VAIN
AN0 to AN14
AVRL
AVRH
V
Reference voltage range
AVRH
AVRL
+ 2.7
AVCC
V
AVRL
0
AVRH
2.7
V
Power supply current
IA
AVCC
3.5
7.5
mA
IAH
AVCC
5
A*
Reference voltage
current
IR
AVRH
165
250
A
IRH
AVRH
5
A*
Offset between input
channels
AN0 to AN14
4LSB
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