參數(shù)資料
型號: AD9146BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 6/56頁
文件大?。?/td> 0K
描述: IC DAC 16BIT SRL DUAL 48LFCSP
標準包裝: 1
系列: TxDAC+®
設置時間: 20ns
位數(shù): 16
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤,CSP
供應商設備封裝: 48-LFCSP-WQ(7x7)
包裝: 托盤
輸出數(shù)目和類型: 2 電流,單極
采樣率(每秒): 1.23G
AD9146
Data Sheet
Rev. A | Page 14 of 56
–80
–78
–76
–74
–72
–70
–68
–66
–64
–62
–60
0
40
80
120 160 200 240 280 320 360 400 440 480
ACL
R
(
d
Bc)
fOUT (MHz)
2×, PLL OFF
2×, PLL ON
4×, PLL OFF
4×, PLL ON
09691-
087
Figure 21. Four-Carrier W-CDMA ACLR vs. fOUT over Interpolation, Second
Alternate Channel, fDATA = 245.76 MSPS, PLL Off and PLL On
AM
P
L
IT
UDE
(
d
Bm)
CENTER 122MHz
#RES BW 30kHz
SPAN 49.68MHz
SWEEP 1.371s
VBW 3kHz
–35
–25
–55
–45
–75
–65
–95
–105
–125
–115
–85
OFFSET
FREQ
FILTER
CARRIER
POWER
INTEG
BW
dBc
LOWER
ACP-IBW
TOTAL CARRIER POWER –16.469dBm/15.36MHz
UPPER
dBm
dBc
dBm
FILTER
5MHz
10MHz
15MHz
ON
1 –22.205dBm/3.84MHz
3.84MHz
–76.37
–77.45
–77.59
–98.78
–99.85
–99.99
–77.11
–77.49
–77.51
–99.52
–99.89
–99.91
ON
–22.2dBm
–22.4dBm
–22.7dBm
09691-
092
Figure 22. Four-Carrier W-CDMA Performance, 4× Interpolation,
fDATA = 245.76 MSPS, Digital Scale = 6 dBFS, fOUT = 122 MHz
–84
–82
–80
–78
–76
–74
–72
–70
–68
–66
–64
–62
–60
0
40
80
120 160 200 240 280 320 360 400 440 480
A
C
L
R
(d
B
c
)
fOUT (MHz)
1 CARRIER
4 CARRIER
0
9
6
9
1
-0
8
Figure 23. W-CDMA ACLR vs. fOUT over Number of Carriers, Adjacent Channel,
4× Interpolation, fDATA = 245.76 MSPS, Digital Scale = 6 dBFS, PLL Off
CENTER 200MHz
#RES BW 30kHz
SPAN 49.68MHz
SWEEP 1.371s
VBW 3kHz
–35
–25
–55
–45
–75
–65
AM
P
L
IT
UDE
(
d
Bm)
–95
–105
–125
–115
–85
–23.3dBm
–22.9dBm
–22.6dBm
–22.8dBm
OFFSET
FREQ
FILTER
CARRIER
POWER
INTEG
BW
dBc
LOWER
ACP-IBW
TOTAL CARRIER POWER –16.873dBm/15.36MHz
UPPER
dBm
dBc
dBm
FILTER
5MHz
10MHz
15MHz
ON
1 –23.284dBm/3.84MHz
3.84MHz
–76.55
–76.73
–76.64
–99.49
–99.67
–99.59
–75.66
–75.68
–75.88
–98.60
–98.62
–98.83
ON
09691-
091
Figure 24. Four-Carrier W-CDMA Performance, 4× Interpolation,
fDATA = 245.76 MSPS, Digital Scale = 6 dBFS, fOUT = 200 MHz
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