參數(shù)資料
型號: M38C24M6-XXXHP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP64
封裝: 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 70/91頁
文件大?。?/td> 1867K
代理商: M38C24M6-XXXHP
5. Electrical Characteristics
Page 72 of 85
Table 5.34
A/D Conversion Characteristics
(VCC1 = VCC2 = AVCC = VREF = 3.0 to 3.6 V, VSS = AVSS = 0 V, Topr = -20 to 85
°C,
f(CPU) = 24MHz unless otherwise specified)
NOTES:
1. The value when
φAD frequency is at 10 MHz. Keep φAD frequency at 10 MHz or lower.
If f(CPU) (=fAD) is 24 MHz, divide f(CPU) by 3 to make it 8 MHz. The conversion time in this case is 6.1
μs.
2. Sample and hold function is not available.
Table 5.35
D/A Conversion Characteristics
(VCC1 = VCC2 = VREF = 3.0 to 3.6 V, VSS = AVSS = 0 V, Topr = -20 to 85
°C,
f(CPU) = 24MHz unless otherwise specified)
NOTE:
1. Measurement when one D/A converter is used, and the DAi register (i = 0, 1) of the unused D/A converter is set
to 00h. The current flown into the resistor ladder in the A/D converter is excluded. IVREF flows even if VCUT
bit in the AD0CON1 register is set to 0 (VREF not connected)
Symbol
Parameter
Measurement Condition
Standard
Unit
Min.
Typ.
Max.
Resolution
VREF = VCC1
10
Bits
INL
Integral nonlinearity error (8-bit)
VREF = VCC1 = VCC2 = 3.3 V
±2
LSB
DNL
Differential nonlinearity error (8-bit)
±1
LSB
Offset error (8-bit)
±2
LSB
Gain error (8-bit)
±2
LSB
RLADDER Resistor ladder
VREF = VCC1
8
40
k
Ω
tCONV
8-bit conversion time(1)(2)
4.9
μs
VREF
Reference voltage
3
VCC1
V
VIA
Analog input voltage
0
VREF
V
Symbol
Parameter
Measurement Condition
Standard
Unit
Min.
Typ.
Max.
Resolution
8Bits
Absolute accuracy
1.0
%
tsu
Setup time
3
μs
RO
Output resistance
4
10
20
k
Ω
IVREF
Reference power supply
input current
(note 1)
1.0
mA
VCC1 = VCC2 = 3.3 V
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