參數(shù)資料
型號(hào)： M37547G4-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO36
封裝： 8.40 X 15 MM, 0.80 MM PITCH, PLASTIC, SSOP-36
文件頁數(shù)： 77/97頁
文件大?。?/td> 1064K
代理商： M37547G4-XXXFP
REJ03B0156-0122
Rev.1.22
Mar 31, 2009
page 79 of 94
7547 Group
A/D Converter Characteristics
A/D Converter characteristics
(VCC = 2.7 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Resolution
Absolute accuracy
Conversion time
Ladder resistor
Reference power source input current
A/D port input current
Min.
Typ.
Max.
Symbol
Parameter
Limits
Unit
Test conditions
Bits
LSB
tc(XIN)
k
A
10
± 3
122
61
200
120
5.0
—
tCONV
RLADDER
IVREF
II(AD)
55
150
90
50
30
Note: AD conversion accuracy may be low under the following conditions;
(1) When the VREF voltage is set to be lower than the VCC voltage, an analog circuit in this microcomputer is affected by noise.
The accuracy is lower than the case the VREF voltage is the same as VCC voltage.
(2) When the VREF voltage is 3.0 V or less at the low temperature, the AD conversion accuracy may be very lower than at room temperature.
When system is used at low temperature, that VREF is 3.0 V or more is recommended.
Ta = 25 °C
VCC = VREF = 2.7 to 5.5 V
AD conversion clock = f(XIN)/2
AD conversion clock = f(XIN)
VREF = 5.0 V
VREF = 3.0 V
相關(guān)PDF資料
PDF描述
M37547G4-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO36
M37548G2-XXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
M37548G2FP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
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