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位置:首页 > IC型号导航 > 首字符D型号页 > 首字符D的型号第230页 > DAC250Y > DAC250Y PDF资料 > DAC250Y PDF资料1第8页
典型特征
(续)
T
A
= 25 ° C, + V
D
= +3.3V, +V
A
= + 5V ,差动变压器耦合,我
OUT
= 20mA, 50½ double terminated load, SFDR up to Nyquist, unless otherwise noted.
I
VA
VS我
OUT
FS
60
55
50
45
单音SFDR
10
0
–10
幅度( dBm的)
f
时钟
= 52MSPS
f
OUT
= 5.23MHz
振幅=的0dBFS
–20
–30
–40
–50
–60
–70
–80
–90
I
VA
(MA )
40
35
30
25
20
15
10
0
5
10
15
I
OUT
FS (毫安)
20
25
0
4
8
12
频率(MHz)
16
20
单音SFDR
10
0
–10
幅度( dBm的)
双音SFDR
10
0
–10
幅度( dBm的)
f
时钟
= 100MSPS
f
OUT
= 20.2MHz
振幅=的0dBFS
f
时钟
= 78MSPS
f
OUT
1 = 9.44MHz
f
OUT
2 = 10.44MHz
振幅=的0dBFS
–20
–30
–40
–50
–60
–70
–80
–90
0
10
20
30
频率(MHz)
40
50
–20
–30
–40
–50
–60
–70
–80
–90
0
7.8
15.6
23.4
频率(MHz)
31.2
39.0
FOUR -TONE SFDR
10
0
–10
幅度( dBm的)
f
时钟
= 50MSPS
f
OUT
1 = 6.25MHz
f
OUT
2 = 6.75MHz
f
OUT
3 = 7.25MHz
f
OUT
4 = 7.75MHz
振幅=的0dBFS
–20
–30
–40
–50
–60
–70
–80
–90
0
5
15
10
频率(MHz)
20
25
8
DAC2902
SBAS167A

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