®
DAC904
8
典型 效能 曲线, v
D
= v
一个
= +5v (内容.)
在 t
一个
= +25
°
c, 差别的 i
输出
= 20ma, 50
Ω
翻倍-terminated 加载, sfdr 向上 至 nyquist, 除非 否则 指定.
双-声调 输出 spectrum
频率 (mhz)
巨大 (dbm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
5 101520253035404550
f
时钟
= 100msps
f
OUT1
= 13.5mhz
f
OUT2
= 14.5mhz
sfdr = 63dbc
振幅 = 0dbfs
四-声调 输出 spectrum
频率 (mhz)
巨大 (dbm)
0
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
510152025
f
时钟
= 50msps
f
OUT1
= 6.25mhz
f
OUT2
= 6.75mhz
f
OUT3
= 7.25mhz
f
OUT4
= 7.75mhz
sfdr = 66dbc
振幅 = 0dbfs