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參數(shù)資料
| 型號： | AD9432BSVZ-80 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 80MSPS 52TQFP |
| 標準包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 80M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 1W |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 52-TQFP 裸露焊盤 |
| 供應商設備封裝： | 52-TQFP-EP（10x10） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 2 個單端，單極；2 個差分，單極 |
AD9432
Rev. F | Page 15 of 16
APPLICATIONS INFORMATION
USING THE AD8138 TO DRIVE THE AD9432
The AD8138 differential output op amp can be used to drive the
AD9432 in dc-coupled applications. The AD8138 was specifically
designed for ADC driver applications. Superior SNR performance
is maintained up to analog frequencies of 30 MHz. The AD8138
op amp provides single-ended-to-differential conversion, which
allows for a low cost alternative to transformer coupling for ac
applications, as well.
The circuit in Figure 29 was breadboarded, and the measured
performance is shown in Figure 30 and Figure 31. These figures
are for ±5 V supplies at the AD8138; with a single 5 V supply at
the AD8138, performance dropped by about 1 dB to 2 dB.
Figure 30 shows SNR and SINAD for a 1 dBFS analog input
frequency varied from 2 MHz to 40 MHz with an encode rate
of 105 MSPS. The measurements are for nominal conditions
at room temperature. Figure 31 shows the second-order and
third-order harmonic distortion performance under the same
conditions.
The dc common-mode voltage for the AD8138 outputs can be
adjusted via the VOCM input to provide the 3 V common-mode
voltage that the AD9432 inputs require.
00
58
7-
0
28
AD8138
AD9432
10pF
0.1F
25
500
50
2k
3k
5V
500
VIN
AIN
VOCM
10pF
500
22pF
Figure 29. AD8138/AD9432 Schematic
S
NR/
S
INAD
(
d
B)
AIN (MHz)
020
40
00
58
7-
02
9
62
63
64
65
66
61
60
SNR
SINAD
Figure 30. Measured SNR and SINAD (Encode = 105 MSPS)
H
ARM
O
NI
CS
(
d
B)
AIN (MHz)
020
40
00
58
7-
03
0
–90
–80
60
–70
–100
H2
H3
Figure 31. Measured Second-Order and Third-Order Harmonic Distortion
(Encode = 105 MSPS)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9432BSVZ-801 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit, 80 MSPS/105 MSPS ADC |
| AD9432PCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed ADC USB FIFO Evaluation Kit |
| AD9433 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit, 105 MSPS/125 MSPS IF Sampling A/D Converter |
| AD9433/PCB | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit, 105 MSPS/125 MSPS IF Sampling A/D Converter |
| AD9433BSQ-105 | 制造商:Analog Devices 功能描述:ADC Single Pipelined 105Msps 12-bit Parallel 52-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:12 BIT 105 MSPS ADC - Bulk |
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