參數(shù)資料
型號: AD9748ACP-PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 2/24頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD9748ACP
產(chǎn)品培訓(xùn)模塊: DAC Architectures
標(biāo)準(zhǔn)包裝: 1
系列: TxDAC®
DAC 的數(shù)量: 1
位數(shù): 8
采樣率(每秒): 210M
數(shù)據(jù)接口: 并聯(lián)
設(shè)置時(shí)間: 11ns
DAC 型: 電流
工作溫度: -40°C ~ 85°C
已供物品:
已用 IC / 零件: AD9748
相關(guān)產(chǎn)品: AD9748ACPZ-ND - IC DAC 8BIT 210MSPS 32-LFCSP
AD9748
Data Sheet
Rev. B | Page 10 of 24
FREQUENCY (MHz)
MAGNITUDE
(dBm)
0
–30
–20
–10
–50
–40
–90
–80
–70
–60
–100
0
10
20
30
40
50
60
fCLOCK = 125MSPS
fOUT = 27MHz
SFDR = 56.2dBc
AMPLITUDE = 0dBFS
03211-010
Figure 11. Single-Tone Spectral Plot @ 125 MSPS (Single-Ended Output)
FREQUENCY (MHz)
MAGNITUDE
(dBm)
0
–30
–20
–10
–50
–40
–90
–80
–70
–60
–100
0
10
20
30
40
70
60
50
80
fCLOCK = 165MSPS
fOUT = 49MHz
SFDR = 50.1dBc
AMPLITUDE = 0dBFS
03211-011
Figure 12. Single-Tone Spectral Plot @ 165 MSPS (Single-Ended Output)
5ns/DIV
50mV/DIV
03211-012
Figure 13. Step Response (Single-Ended Output)
FREQUENCY (MHz)
M
AG
NI
T
UDE
(
d
Bm)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
10.5
105
03211-
043
fCLOCK = 210MSPS
fOUT = 68MHz
SFDR = 50dBc
AMPLITUDE = 0dBFS
Figure 14. Single-Tone Spectral Plot @ 210 MSPS (Single-Ended Output)
1.2V REF
3.3V
RSET
RLOAD
50
VDIFF = VOUTA = VOUTB
RLOAD
50
0.1
F
CLK+
SLEEP
REFIO
FS ADJ
DVDD
DCOM
DIGITAL DATA INPUTS (DB7–DB0)
150pF
3.3V
AVDD
ACOM
AD9748
CURRENT
SOURCE
ARRAY
IOUTA
IOUTB
MODE
LSB
SWITCHES
SEGMENTED
SWITCHES
3.3V
CLKVDD
CLKCOM
CLK–
CMODE
LATCHES
03211-013
Figure 15. Simplified Block Diagram
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