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參數(shù)資料
| 型號： | AD9222ABCPZRL7-65 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 28/60頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT SRL 65MSPS 64LFCSP |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 65M |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 8 |
| 功率耗散（最大）： | 950.5mW |
| 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： | 64-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 64-LFCSP-VQ（9x9） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 16 個單端，單極；8 個差分，單極 |
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AD9222
Data Sheet
Rev. F | Page 34 of 60
HARDWARE INTERFACE
The pins described in Table 14 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. 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 VOH levels are met. Assuming the
same load for each AD9222, Figure 83 shows the number of SDIO
pins that can be connected together and the resulting VOH level.
05967-
037
NUMBER OF SDIO PINS CONNECTED TOGETHER
V
OH
(V)
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
Figure 83. SDIO Pin Loading
This interface is flexible enough to be controlled by either serial
PROMS or PIC mirocontrollers, providing the user with 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, these dual-function pins
serve their 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.
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| AD9222BCPZ-40 | 制造商:Analog Devices 功能描述:Octal ADC Pipelined 40Msps 12-bit Serial 64-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述: |
| AD9222BCPZ-50 | 制造商:Analog Devices 功能描述:ADC Octal Pipelined 50Msps 12-bit Serial 64-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:12BIT ADC OCTAL 50MSPS LFCSP-64 |
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