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參數(shù)資料
| 型號： | AD9222BCPZ-50 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Octal, 12-Bit, 40/50 MSPS Serial LVDS 1.8 V A/D Converter |
| 中文描述： | 8-CH 12-BIT PROPRIETARY METHOD ADC, SERIAL ACCESS, QCC64 |
| 封裝： | 9 X 9 MM, ROHS COMPLIANT, MO-220VMMD-4, LFCSP-64 |
| 文件頁數(shù)： | 30/56頁 |
| 文件大?。?/td> | 2026K |
| 代理商： | AD9222BCPZ-50 |
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AD9222
HARDWARE INTERFACE
The pins described in Table 13 compose the physical interface
between the user’s programming device and the serial port of
the AD9222. The SCLK and CSB pins function as inputs when
using the SPI interface. The SDIO pin is bidirectional, functioning
as an input during write phases and as an output during readback.
If multiple SDIO pins share a common connection, care should
be taken to ensure that proper V
OH
levels are met. Assuming the
same load as the AD9222, Figure 62 shows the number of SDIO
pins that can be connected together and the resulting V
OH
level.
Rev. 0 | Page 30 of 56
This interface is flexible enough to be controlled by either serial
PROMS or PIC mirocontrollers. This provides the user an
alternative method, other than a full SPI controller, to program
the ADC (see the AN-812 Application Note).
If the user chooses not to use the SPI interface, these pins serve
a dual function and are associated with secondary functions
when the CSB is strapped to AVDD during device power-up.
See the Theory of Operation section for details on which pin-
strappable functions are supported on the SPI pins.
0
NUMBER OF SDIO PINS CONNECTED TOGETHER
Figure 62. SDIO Pin Loading
V
O
1.715
1.720
1.725
1.730
1.735
1.740
1.745
1.750
1.755
1.760
1.765
1.770
1.775
1.780
1.785
1.790
1.795
1.800
0
30
20
10
40
50
60
70
80
90
100
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PDF描述 |
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| AD9222BCPZRL7-40 | Octal, 12-Bit, 40/50 MSPS Serial LVDS 1.8 V A/D Converter |
| AD9222BCPZRL7-50 | Octal, 12-Bit, 40/50 MSPS Serial LVDS 1.8 V A/D Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9222BCPZ-65 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9222BCPZRL7-40 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Octal, 12-Bit, 40/50 MSPS Serial LVDS 1.8 V A/D Converter |
| AD9222BCPZRL7-50 | 制造商:Analog Devices 功能描述:ADC Octal Pipelined 50Msps 12-bit Serial 64-Pin LFCSP EP T/R |
| AD9222BCPZRL7-65 | 制造商:Analog Devices 功能描述: |
| AD9223 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit 1.5/3.0/10.0 MSPS Monolithic A/D Converters |
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