參數(shù)資料
型號: AK9844F
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Aluminum Snap-In Capacitor; Capacitance: 470uF; Voltage: 160V; Case Size: 25x25 mm; Packaging: Bulk
中文描述: 4Kbit EEPROM,帶有4通道8位D / A轉(zhuǎn)換
文件頁數(shù): 14/17頁
文件大小: 156K
代理商: AK9844F
ASAHI KASEI
[AK9844]
DAD02E-00
1999/05
- 14 -
2) DAC section
(VCC=+5V
10%, GND=0V, Ta=-20
70
°
C unless otherwise specified)
Symbol
Condition
min
Parameter
typ
max
Unit
D/A Reference Voltage
A0,A1
A2,A3
VREF1
VREF2
3.5
3.5
VCC
VCC
V
V
D/A Reference current
IREF
VREF=5.0V
Monotonicity
VCC=VREF=5.0V
1LSB=VREF/256
200
uA
bit
LSB
LSB
Resolution
Differential Non-Lineality
Integral Non-Lineality
Error or
Input data "00"
Error for
Input data "FF"
Buffer-AMP Output
Buffer-AMP Output
Setup Time in AUTO READ
D/A Settling Time
Note7. Please refer to the figure.2.
Note8. Integral Non-Linearity is the error between the actual line and the ideal line. The ideal line exhibits a
perfect linear DAC output characteristics between the input digital data"00" and the input digital
data "FF".
8
DNL
NL
-1
-2.0
0
0
+1
+2.0
(Note8)
(Note7)
EZERO
+0.1
V
(Note7)
EFULL
IAO=0.0uA
C
L
=100pF
+0.1
V
Voltage Range
VAO
| IAO |
200uA
0.2
VCC-0.2
V
Voltage Range
VAO
| IAO |
500uA
0.3
VCC-0.3
V
tARS
tLDD
500
us
us
C
L
=100pF
100
5
Please refer to "Instruction and Data Format" regarding the relation between input digital data and DAC
output voltage.
Figure.2 DAC output characteristics(IAO=0.0uA)
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