參數(shù)資料
型號: M38507F8SP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁數(shù): 96/103頁
文件大?。?/td> 1275K
代理商: M38507F8SP
Rev.3.01
2003.06.20
page 90 of 98
3850 Group (Spec.A)
A-D converter characteristics
Table 33 A-D converter characteristics (spec. A)
(VCC = 2.7 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to 85
°C, f(XIN) = 12.5 MHz, unless otherwise noted)
bit
LSB
2tc(XIN)
s
k
A
Resolution
Absolute accuracy (excluding quantization error)
Conversion time
Ladder resistor
Reference power source input current
A-D port input current
Min.
50
Typ.
40
35
150
0.5
Max.
10
±4
61
200
5.0
High-speed mode,
Middle-speed mode
Low-speed mode
VREF = 5.0 V
Unit
Limits
Parameter
tCONV
RLADDER
IVREF
II(AD)
Test conditions
Symbol
VREF “on”
VREF “off”
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