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參數(shù)資料
| 型號(hào)： | AD9430 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 12-Bit, 170 MSPS 3.3V A/D Converter |
| 中文描述： | 12位，170 MSPS的3.3VA / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 1594K |
| 代理商： | AD9430 |
PRELIMINARY TECHNICAL DATA
REV. PrG 4/01/2002 -15-
AD9430
DAC Outputs
Each channel is reconstructed by an on-board dual-channel DAC,
an AD9753. This DAC is intended to assist in debug—it should
not be used to measure the performance of the ADC. It is a current
output DAC with on-board 50
termination resistors.
The
figure
below is representative of the DAC output with a full-scale
analog
input. The scope setting is low bandwidth.
CH1
CH1
M 25.0nS
1
C1 FREQ
10.33592MHz
C1 PK-PK
448mV
2.00mV
248mV
Figure 14. DAC Output
Encode Xtal
An optional xtal oscillator can be placed on the board to serve
as a clock source for the PCB. Power to the xtal is through the
VCLK/VXTAL pin at the power connector. If an oscillator is used,
ensure proper termination for best results. The board has been
tested with a Valpey Fisher VF561 and a Vectron JN00158-163.84.
Test results for the VF561 are shown below.
MHz
0
–
30
0
80
20
d
40
60
–
60
–
80
–
20
–
10
–
50
–
40
–
100
–
90
–
70
ENCODE 163.84MHz
ANALOG 65.02MHz
SNR 63.93dB
SINAD 63.87dB
FUND
–
0.45dBFS
2ND
–
85.62dBc
3RD
–
91.31dBc
4TH
–
90.54dBc
5TH
–
90.56dBc
6TH
–
91.12dBc
THD
–
82.21dBc
SFDR 83.93dBc
SAMPLES 8k
NOISEFLR
–
100.44dBFS
WORSTSP
–
83.93dBc
Figure 15. FFT—Using VF561 XTAL as Clock Source
Optional Amplifier
The footprint for transformer T2 can be modified to accept a
wideband differential amplifier (AD8350) for low frequency
applications where gain is required. Note that Pin 2 would need
to be lifted and left floating for operation. Input transformer T1
would need to be modified to a 4:1 for impedance matching and
ADC input filtering would enhance performance (see AD8350
data sheet). SNR/SINAD Performance of 61 dB/60 dB is pos-
sible
and would start to degrade at about 30 MHz.
CUT TRACE
AD9430
1
CUT TRACE
Figure 16. Using the AD8350 on the AD9430 PCB
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD9430BSV-170 | 12-Bit, 170 MSPS 3.3V A/D Converter |
| AD9432BST-80 | 12-Bit, 80 MSPS/105 MSPS A/D Converter |
| AD9432BST-105 | 12-Bit, 80 MSPS/105 MSPS A/D Converter |
| AD9432BSQ-105 | 12-Bit, 80 MSPS/105 MSPS A/D Converter |
| AD9432BSQ-80 | 12-Bit, 80 MSPS/105 MSPS A/D Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9430/PCB-CMOS | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit, 170 MSPS 3.3V A/D Converter |
| AD9430_10 | 制造商:AD 制造商全稱:Analog Devices 功能描述:12-Bit, 170/210 MSPS 3.3 V A/D Converter |
| AD9430BSV-170 | 制造商:Analog Devices 功能描述:ADC Single Pipelined 170Msps 12-bit Parallel 100-Pin TQFP EP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:IC 12-BIT ADC |
| AD9430BSV-210 | 制造商:Analog Devices 功能描述:ADC Single Pipelined 210Msps 12-bit Parallel 100-Pin TQFP EP 制造商:Analog Devices 功能描述:IC ADC 12BIT 210MSPS TQFP-100 |
| AD9430BSV-270 | 制造商:Analog Devices 功能描述:12 BIT 170 MSPS ADC - Bulk |
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