參數(shù)資料
型號: EVAL-AD7328SDZ
廠商: Analog Devices Inc
文件頁數(shù): 17/37頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7328
標(biāo)準(zhǔn)包裝: 1
系列: iCMOS®
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
輸入范圍: ±10 V
在以下條件下的電源(標(biāo)準(zhǔn)): 31mW @ 1MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7328
已供物品:
Data Sheet
AD7328
Rev. C | Page 23 of 36
Table 11. Power Mode Selection
PM1
PM0
Description
1
Full shutdown mode. In this mode, all internal circuitry on the AD7328 is powered down. Information in the control
register is retained when the AD7328 is in full shutdown mode.
1
0
Autoshutdown mode. The AD7328 enters autoshutdown on the 15th SCLK rising edge when the control register is
updated. All internal circuitry is powered down in autoshutdown.
0
1
Autostandby mode. In this mode, all internal circuitry is powered down, excluding the internal reference. The AD7328
enters autostandby mode on the 15th SCLK rising edge after the control register is updated.
0
Normal mode. All internal circuitry is powered up at all times.
Table 12. Sequencer Selection
SEQ1
SEQ2
Description
0
The channel sequencer is not used. The analog channel, selected by programming the ADD2 to ADD0 bits in the control
register, selects the next channel for conversion.
0
1
Uses the sequence of channels that were previously programmed in the sequence register for conversion. The AD7328
starts converting on the lowest channel in the sequence. The channels are converted in ascending order. If uninterrupted,
the AD7328 keeps converting the sequence. The range for each channel defaults to the range previously written into the
corresponding range register.
1
0
This configuration is used in conjunction with the channel address bits in the control register. This allows continuous conversions
on a consecutive sequence of channels, from Channel 0 through a final channel selected by the channel address bits in the
control register. The range for each channel defaults to the range previously written into the corresponding range register.
1
The channel sequencer is not used. The analog channel, selected by programming the ADD2 bit to ADD0 bit in the control
register, selects the next channel for conversion.
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