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參數(shù)資料
| 型號(hào)： | LTC6400IUD-8#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC DRIVER DIFF 2.2GHZ 16QFN |
| 標(biāo)準(zhǔn)包裝： | 121 |
| 類型： | ADC 驅(qū)動(dòng)器 |
| 應(yīng)用： | 數(shù)據(jù)采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN-EP（3x3） |
| 包裝： | 管件 |
LTC6400-8
12
64008f
Figure 8 summarizes the IMD3 performance of the whole
system as shown in Figure 7.
APPLICATIONS INFORMATION
Figure 9. Top Silkscreen for DC987B. Test Circuit A
FREQUENCY (MHz)
0
IMD3
(dBc)
–40
–90
–80
–70
–60
–50
–100
–110
50
100
150
200
250
64008 F08
300
SINGLE-ENDED INPUT
FS = 122.8Msps
DRIVER VOUT = 2VP-P COMPOSITE
Figure 8. IMD3 for the Combination of LTC6400-8 and LTC2208
Test Circuits
Due to the fully-differential design of the LTC6400 and
its usefulness in applications with differing characteristic
specications, two test circuits are used to generate the
information in this datasheet. Test Circuit A is DC987B,
a two-port demonstration circuit for the LTC6400 family.
The silkscreen is shown in Figure 9. This circuit includes
input and output transformers (baluns) for single-ended-
to-differential conversion and impedance transformation,
allowing direct hook-up to a 2-port network analyzer.
There are also series resistors at the output to present
the LTC6400 with a 375Ω differential load, optimizing
distortion performance. Due to the input and output trans-
formers, the –3dB bandwidth is reduced from 2.2GHz to
approximately 1.46GHz.
Test Circuit B uses a 4-port network analyzer to measure
S-parameters and gain/phase response. This removes the
effects of the wideband baluns and associated circuitry,
for a true picture of the >1GHz S-parameters and AC
characteristics.
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| LTC6400IUD-8-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2.2GHz Low Noise, Low Distortion Differential ADC Driver for DC-300MHz |
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| LTC6401-26 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:1.6GHz Low Noise, Low Distortion Differential ADC Driver for DC-140MHz |
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