參數(shù)資料
型號(hào)： ML670100
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類： 微控制器/微處理器
英文描述： 32-BIT, MROM, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 20/27頁
文件大?。?/td> 109K
代理商： ML670100
Semiconductor
ML670100
/ 27
27
A-to-D Converter Characteristics
(Condition: VDD=AVDD=VREF=2.7V to 3.6V, GND=AGND=0V,Ta=-40 to +85
°C )
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Resolution
n
-
8
bit
Linearity error
EL
Refer to the following
-3.0
-
+3.0
LSB
Differential
linearity error
ED
recommended circuit.
Analog input source impedance
-1.0
-
+1.0
LSB
Zero scale error
EZS
RI is equal or less than 5K
-
+2.0
LSB
Full scale error
EFS
-
-2.0
LSB
Conversion time
tCONV
fC=25MHz
-
10.68
-
S/CH
Definitions of terms
Resolution
The minimum distinguishable analog value.
For 8 bits, 2
8=256, i.e.(VREF-AGND)/256.
Linearity error
Variance between the ideal conversion characteristics as an 8-bit A-to-D
converter and actual conversion characteristics (does not include
quantatized error).
Differential
linearity error
Indicates the smoothness of the conversion. The width of analog input
voltage corresponding to the change by one bit of digital output is
1LSB=(VREF-AGND)/256 ideally. The variance between this ideal bit
size and bit size at arbitrary point in the conversion range.
Zero scale error
Variance between the ideal conversion characteristics at the switching
point of digital output ”0x00” - ”0x01” and actual conversion
characteristics.
Full scale error
Variance between the ideal conversion characteristics at the switching
point of digital output ”0xFE” - ”0xFF” and actual conversion
characteristics.
RI (Analog input source impedance) is equal or less than 5K
0.1
F
0.1
F
3.3V
Analog
input
0.1
F
0.1
F
47
F
+
RI
+
-
ML670100
VRE
F
VDD
AI[7:0]
GND
AGND
AVDD
47
F
+
3.3V
0V
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