參數資料
| 型號： | AD8376ACPZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 9/24頁 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DIFF DUAL 32LFCSP |
| 產品培訓模塊： | Differential Circuit Design Techniques for Communication Applications |
| 設計資源： | Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002) High Performance, Dual Channel IF Sampling Receiver (CN0140) |
| 標準包裝： | 1 |
| 放大器類型： | 可變增益 |
| 電路數： | 2 |
| 輸出類型： | 差分 |
| 轉換速率： | 5000 V/µs |
| -3db帶寬： | 700MHz |
| 電流 - 輸入偏壓： | 900nA |
| 電流 - 電源： | 250mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 32-LFCSP-VQ（5x5） |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 775 (CN2011-ZH PDF) |
| 其它名稱： | AD8376ACPZ-R7DKR |
Data Sheet
AD8376
Rev. B | Page 17 of 24
Figure 42 is optimized for driving some of Analog Devices
and AD6655. Table 5 includes antialiasing filter component
recommendations for popular IF sampling center frequencies.
Inductor L5 works in parallel with the on-chip ADC input
capacitance and a portion of the capacitance presented by C4 to
form a resonant tank circuit. The resonant tank helps to ensure
the ADC input looks like a real resistance at the target center
frequency. Additionally, the L5 inductor shorts the ADC inputs
at dc, which introduces a zero into the transfer function. In
addition, the ac coupling capacitors and the bias chokes introduce
additional zeros into the transfer function. The final overall
frequency response takes on a band-pass characteristic, helping
to reject noise outside of the intended Nyquist zone. Table 5
provides initial suggestions for prototyping purposes. Some
empirical optimization may be needed to help compensate for
actual PCB parasitics.
5
1nF
50
1:3
1/2
AD8376
301
C2
A0 TO A4
C4
1H
L1
L3
CML
165
L5
AD9246
AD9640
AD6655
06725-
042
Figure 42. Narrow-Band IF Sampling Solution for Unbuffered ADC Applications
Table 5. Interface Filter Recommendations for Various IF Sampling Frequencies
Center Frequency
1 dB Bandwidth
L1
C2
L3
C4
L5
96 MHz
27 MHz
390 nH
5.6 pF
390 nH
25 pF
100 nH
140 MHz
30 MHz
330 nH
3.3 pF
330 nH
20 pF
56 nH
170 MHz
32 MHz
270 nH
2.7 pF
270 nH
20 pF
39 nH
211 MHz
32 MHz
220 nH
2.2 pF
220 nH
18 pF
27 nH
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相關代理商/技術參數 |
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|---|---|
| AD8376ACPZ-REEL7 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra Low Distortion IF Dual VGA |
| AD8376ACPZ-WP | 制造商:Analog Devices 功能描述:ULTRALOW DISTORTION IF DUAL VGA - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:Analog Devices 功能描述:IF CELLULAR DUAL DGA 制造商:Rochester Electronics LLC 功能描述: |
| AD8376-EVALZ | 制造商:Analog Devices 功能描述:EVALUATION BOARD - Bulk 制造商:Analog Devices 功能描述:EVALUATION BOARD ((NS)) |
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| AD8380JS | 制造商:Analog Devices 功能描述:LCD DRVR 3.3V/5V/12V/15V/18V 44-Pin MQFP |
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