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參數(shù)資料
| 型號： | EVAL-AD7693CBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVALUATION FOR AD7693 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行 |
| 輸入范圍： | ±VREF |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 18mW @ 500kSPS |
| 工作溫度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7693 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD7693BRMZRL7-ND - IC ADC 16BIT 500KSPS 10-MSOP AD7693BCPZRL7TR-ND - IC ADC 16BIT 500KSPS 10-LFCSP AD7693BRMZ-ND - IC ADC 16BIT 500KSPS 10-MSOP AD7693BCPZRL-ND - IC ADC 16BIT 500KSPS 10LFCSP |
AD7693
Rev. A | Page 17 of 24
CS MODE, 3-WIRE WITHOUT BUSY INDICATOR
This mode is usually used when a single AD7693 is connected
to an SPI-compatible digital host. The connection diagram is
shown in Figure 34, and the corresponding timing is given in
With SDI tied to VIO, a rising edge on CNV initiates a
conversion, selects the CS mode, and forces SDO to high
impedance. Once a conversion is initiated, it continues until
completion irrespective of the state of CNV. This could be
useful, for instance, to bring CNV low to select other SPI
devices, such as analog multiplexers; however, CNV must be
returned high before the minimum conversion time elapses and
then held high for the maximum possible conversion time to
avoid the generation of the busy signal indicator. When the
conversion is complete, the AD7693 enters the acquisition
phase and powers down. When CNV goes low, the MSB is
output onto SDO. The remaining data bits are clocked by
subsequent SCK falling edges. The data is valid on both SCK
edges. Although the rising edge can be used to capture the data,
a digital host using the SCK falling edge will allow a faster
reading rate, provided it has an acceptable hold time. After the
16th SCK falling edge or when CNV goes high (whichever
occurs first), SDO returns to high impedance.
CNV
SCK
SDO
SDI
DATA IN
CLK
CONVERT
VIO
AD7693
06
39
4-
03
3
DIGITAL HOST
Figure 34. CS Mode, 3-Wire Without Busy Indicator
Connection Diagram (SDI High)
SDO
D15
D14
D13
D1
D0
tDIS
SCK
123
14
15
16
tSCK
tSCKL
tSCKH
tHSDO
tDSDO
CNV
CONVERSION
ACQUISITION
tCONV
tCYC
ACQUISITION
SDI = 1
tCNVH
tACQ
tEN
06
39
4-
0
34
Figure 35. CS Mode, 3-Wire Without Busy Indicator Serial Interface Timing (SDI High)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD7693SDZ | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 EVAL BOARD 16-bit ADC 500kSPS RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| EVAL-AD7694CB | 制造商:Analog Devices 功能描述: |
| EVAL-AD7694CB1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 250 kSPS PulSAR ADC in MSOP |
| EVAL-AD7694CBZ | 功能描述:BOARD EVALUATION FOR AD7694 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:PulSAR® 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-AD7694SDZ | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 EVALUATION BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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