參數(shù)資料
型號: WM2638
廠商: Wolfson Microelectronics
英文描述: Dual 12-Bit Serial Input Voltage Output DAC with Internal reference
中文描述: 雙路12位串行輸入電壓輸出DAC,帶有內(nèi)部參考
文件頁數(shù): 6/11頁
文件大?。?/td> 360K
代理商: WM2638
WM2638
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 99
6
TYPICAL PERFORMANCE GRAPHS
VDD = 5V, V
REF
= External 2.048V, Speed = Fast Mode, Load = 10k/100pF
-3
-2
-1
0
1
2
3
0
512
1024
1536
2048
2559
3071
3583
4095
DIGITAL CODE
I
Figure 2 Integral Non-Linearity
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0
1
2
3
4
5
6
7
8
9
10
ISINK- mA
O
Slow
Fast
VDD = 3V, V
REF
= 1V, Input Code = 0
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0
1
2
3
4
5
6
7
8
9
10
ISINK - mA
O
Slow
Fast
VDD = 5V, V
REF
= 2V, Input Code = 0
Figure 3 Sink Current VDD = 3V
Figure 4 Sink Current VDD = 5V
2.02
2.025
2.03
2.035
2.04
2.045
2.05
2.055
2.06
0
1
2
3
4
5
6
7
8
9
10
11
ISOURCE- mA
O
Slow
Fast
VDD = 3V, V
REF
= 1V, Input Code = 4095
4.06
4.065
4.07
4.075
4.08
4.085
4.09
4.095
4.1
0
1
2
3
4
5
6
7
8
9
10
11
ISOURCE - mA
O
Slow
Fast
VDD = 5V, V
REF
= 2V, Input Code = 4095
Figure 5 Source Current VDD = 3V
Figure 6 Source Current VDD = 5V
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