參數(shù)資料
型號： MB90P634APF
元件分類： 微控制器/微處理器
英文描述： 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 90/107頁
文件大小： 1599K
代理商： MB90P634APF
83
MB90630A Series
5. A/D Converter Electrical Characteristics
(AVCC = VCC = +2.7 V to +5.5 V, AVSS = VSS = 0.0 V, 2.7 V
≤ AVRH – AVRL, TA = –40°C to +85°C)
*1: For VCC = +5.0 V
±10% and a 16 MHz machine clock
*2: For VCC = +3.0 V
±10% and an 8 MHz machine clock
*3: The current when the A/D converter is not operating or the CPU is in stop mode (for VCC = AVCC = AVRH = +5.0 V).
Notes: The error increases proportionally as |AVRH – AVRL| decreases.
The output impedance of the external circuits connected to the analog inputs should be in the following
range.
Output impedance of external circuit < approx. 10 k
If the output impedance of the external circuit is too high, the sampling time for the analog voltage may
be too short. (Sampling time = 3.8
s (corresponds to 16 MHz internal operation if the multiplier is 4.))
Note: The above values are for reference only.
Parameter
Symbol
Pin name
Value
Unit
Min.
Typ.
Max.
Resolution
—
10
bit
Total error
—
±3.0
LSB
Linearity error
—
±2.0
LSB
Differential linearity error
—
±1.5
LSB
Zero transition error
VOT
AN0 to AN7
–1.5
+0.5
+2.5
LSB
Full scale transition error
VFST
AN0 to AN7
AVRH –3.5
AVRL –1.5
AVRH +0.5
LSB
Conversion time
—
5.12*1
——
s
8.12*2
——
s
Analog port input current
IAIN
AN0 to AN7
—
10
A
Analog input voltage
VAIN
AN0 to AN7
AVRL
—
AVRH
V
Reference voltage
—
AVRH
AVRL + 2.7
—
AVCC
V
—
AVRL
0
—
AVRH – 2.7
V
Power supply current
IA
AVCC
—5—
mA
IAH
AVCC
——
5*3
A
Reference voltage supply
current
IR
AVRH
—
200
—
A
IRH
AVRH
—
5*3
A
Variation between channels
—
AN0 to AN7
—
4
LSB
Comparator
Analog input
R ON1
R ON2
C 1
C 0
RON1 = 1.5 k
(approx.) (VCC = 5.0 V)
RON2 = 0.5 k
(approx.) (VCC = 5.0 V)
RON3 = 0.5 k
(approx.) (VCC = 5.0 V)
RON4 = 0.5 k
(approx.) (VCC = 5.0 V)
C0 = 60 pF (approx.)
C1 = 4 pF (approx.)
R ON3
R ON4
Sample and hold circuit
Model of the Analog Input Circuit
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