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參數(shù)資料
| 型號(hào)： | AN642 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Analog-to-Digital Converter Captures 1Gsps |
| 中文描述： | 模擬到數(shù)字轉(zhuǎn)換器捕捉1Gsps的 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 269K |
| 代理商： | AN642 |
www.maxim-ic.com/an642
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reflections and improving performance, the MAX104 inputs feature impedance-matched, on-chip, laser-
trimmed 50 NiCr termination resistors.
Demonstrating almost identical dynamic performance at analog input frequencies of 125MHz
(Figure 3)
,
250MHz, 500MHz
(Figure 4)
, and 1GHz
(Figure 5)
with a sampling rate of 1Gsps for differential and
single-ended analog input operation, the MAX104 solves one of the most perplexing problems in high-
speed ADC applications-the need for costly, space-consuming, single-ended-to-differential signal-
conversion circuitry. Now, applications requiring single-ended signal sources can just feed this signal into
the VIN+ pin and terminate the VIN- pin through a 50 resistor connected to ground.
Figure 3. This fast Fourier transform (FFT) demonstrates the over-sampled performance of the MAX104 at
a sampling rate of 1Gsps and an analog input frequency of 125MHz.
Figure 4. This FFT was taken at a Nyquist frequency of 500MHz and a sampling rate of 1Gsps.
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