參數(shù)資料
型號(hào)： AD9772AASTZRL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 25/40頁(yè)
文件大?。?/td> 0K
描述： IC DAC 14BIT 160MSPS 48LQFP
產(chǎn)品培訓(xùn)模塊： DAC Architectures
標(biāo)準(zhǔn)包裝： 2,000
系列： TxDAC+®
設(shè)置時(shí)間： 11ns
位數(shù)： 14
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 模擬和數(shù)字
功率耗散（最大）： 272mW
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 帶卷 (TR)
輸出數(shù)目和類型： 2 電流，單極；2 電流，雙極
采樣率（每秒）： 160M
AD9772A
Rev. C | Page 31 of 40
FREQUENCY (MHz)
–10
–110
66
AM
P
L
IT
UDE
(
d
B
m
)
–30
–50
–70
–90
68
70
72
74
–80
–60
–40
–20
02
253
-05
9
Regardless of which image is selected for a given application, the
adjacent images must be sufficiently filtered. In most cases, a SAW
filter providing differential inputs represents the optimum device
for this purpose. For single-ended SAW filters, a balanced-to-
unbalanced RF transformer is recommended. The high output
impedance of the AD9772A provides a certain amount of
flexibility in selecting the optimum resistive load, RLOAD, as well
as any matching network.
For many applications, the data update rate for the DAC (that is,
fDATA) must be a fixed integer multiple of a system reference
clock (for example, GSM 13 MHz). Furthermore, these
applications prefer to use standard IF frequencies, which offer a
large selection of SAW filter choices with various pass bands
(for example, 70 MHz). In addition, these applications may
benefit from the AD9772A’s direct IF mode capabilities when used
in conjunction with a digital upconverter, such as the AD6622.
Because the AD6622 can digitally synthesize and tune up to four
modulated carriers, it is possible to judiciously tune these carriers
in a region falling within the pass band an IF filter while the
AD9772A is reconstructing a waveform. Figure 59 shows an
example in which four carriers are tuned around 18 MHz with a
digital upconverter operating at 52 MSPS such that when
reconstructed by the AD9772A in the IF mode, these carriers fall
around a 70 MHz IF.
Figure 59. Spectral Plot of Four Carriers at 60 MHz IF with fDATA = 52 MSPS,
PLLVDD = 0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9772A-EB 制造商:Analog Devices 功能描述:14 BIT DAC W/2X INTERPOLATION 制造商:Analog Devices 功能描述:DEV TOOLS, EVAL BD FOR AD9772A - Bulk
AD9772A-EBZ 功能描述:BOARD EVAL FOR AD9772A RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:TxDAC+® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時(shí)間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581
AD9772AST 制造商:Rochester Electronics LLC 功能描述:14 BIT DAC W/2X INTERPOLA - Tape and Reel
AD9772EB 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 160 MSPS TxDAC+ with 2x Interpolation Filter
AD9773 制造商:AD 制造商全稱:Analog Devices 功能描述:Analog Devices: Data Converters: DAC 12-Bit, 10 ns to 100 ns Converters Selection Table
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