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參數(shù)資料
| 型號(hào)： | EVAL-AD7798EBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD7798 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 470 |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±VREF/增益 |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 2.5mW @ 470SPS |
| 工作溫度： | -40°C ~ 105°C |
| 已用 IC / 零件： | AD7798 |
| 已供物品： | 板，纜線，CD |
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Data Sheet
AD7798/AD7799
Rev. B | Page 21 of 28
Continuous Read
Rather than write to the communication register to access the
data each time a conversion is complete, the AD7798/AD7799
can be configured so that the conversions are placed on the
DOUT/RDY line automatically. By writing 01011100 to the
communication register, the user need only apply the
appropriate number of SCLK cycles to the ADC, and the
16-/24-bit word is automatically placed on the DOUT/RDY line
when a conversion is complete. The ADC should be configured
for continuous conversion mode.
When DOUT/RDY goes low to indicate the end of a conversion,
sufficient SCLK cycles must be applied to the ADC, and the
data conversion is placed on the DOUT/RDY line. When the
conversion is read, DOUT/RDY returns high until the next
conversion is available. In this mode, the data can only be read
once. In addition, the user must ensure that the data-word is
read before the next conversion is complete. If the user does not
read the conversion before the completion of the next conversion,
or if insufficient serial clocks are applied to the AD7798/AD7799
to read the word, the serial output register is reset when the
next conversion is complete, and the new conversion is placed
in the output serial register.
To exit the continuous-read mode, the instruction 01011000
must be written to the communication register while the
DOUT/RDY pin is low. While in continuous-read mode, the
to exit the continuous-read mode occurs. Additionally, a reset
occurs if 32 consecutive 1s are seen on DIN. Therefore, DIN
should be held low in continuous-read mode until an
instruction is written to the device.
04856-019
DIN
SCLK
DOUT/RDY
CS
0x5C
DATA
Figure 18. Continuous Read
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7799EBZ | 功能描述:BOARD EVALUATION FOR AD7799 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7816/7/8EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7816EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
| EVAL-AD7817EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
| EVAL-AD7818EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
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