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参数资料
| 型号： | AD7693BRMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 9/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT 500KSPS 10-MSOP |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| 位数： | 16 |
| 采样率（每秒）： | 500k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 21.5mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个差分，双极 |
| 产品目录页面： | 778 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7693CBZ-ND - BOARD EVALUATION FOR AD7693 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7693BRMZRL7 | 功能描述:IC ADC 16BIT 500KSPS 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| AD7694 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit Lower Power |
| AD7694_05 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit, 250 kSPS PulSAR ADC in MSOP |
| AD7694ARM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7694ARMRL7 | 制造商:AD 制造商全称:Analog Devices 功能描述:16-Bit, 250 kSPS PulSAR ADC in MSOP |
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