參數(shù)資料
型號： AD9430BSVZ-170
廠商： Analog Devices Inc
文件頁數(shù)： 22/44頁
文件大小： 0K
描述： IC ADC 12BIT 170MSPS 3.3V100TQFP
標準包裝： 1
位數(shù)： 12
采樣率（每秒）： 170M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 1.43mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 100-TQFP 裸露焊盤
供應商設備封裝： 100-TQFP-EP（14x14）
包裝： 托盤
輸入數(shù)目和類型： 1 個差分，單極
AD9430
Rev. E | Page 29 of 44
CMOS DATA OUTPUTS
The ADC CMOS digital outputs are latched on the board by
four LVT574s; the latch outputs are available at the two 40-pin
connectors at Pin 11 through Pin 33 on P23 (Channel A) and
Pin 11 through Pin 33 on P3 (Channel B). The latch output
clocks (data ready) are available at Pin 37 on P23 (Channel A)
and Pin 37 on P3 (Channel B). The data-ready clocks can be
inverted at the timing controls section if needed.
CH1
CH2
M 5.00ns
1
2
: 4.6ns
C1 FREQ
84.65608MHz
2.00V
0
26
07-
055
Figure 55. Data Output and Clock @ 80-Pin Connector
CRYSTAL OSCILLATOR
An optional crystal oscillator can be placed on the board to
serve as a clock source for the PCB. Power to the oscillator is
through the VCLK pin at the power connector (also called
VCLK/V_XTAL). 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 in Figure 56.
MHz
0
–30
080
20
dB
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
02607-057
Figure 56. FFT—Using VF561 Crystal as Clock Source
OPTIONAL AMPLIFIER
The evaluation board as shipped uses a wideband RF
transformer in its analog path. A user can modify the board to
use the AD8351 op amp for ac- or dc-coupled applications
(see Figure 59 and Figure 60). Figure 60 shows the AD8351 in
an ac-coupled topology, while Figure 57 shows the AD8351 in
a dc-coupled application. Optimum performance is obtained
with the AD8351 ac coupled.
SINGLE-
ENDED
50
SOURCE
R1
100nF
AD8351
INHI
INLO
RG
OPHI
OPLO
VOCM
DIGITAL
OUT
AD9430
AIN+
AIN–
100nF
RF
5pF
2.8V
25
25
50
25
02607-
078
Figure 57. Using the AD8351 on the AD9430 PCB
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