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参数资料
| 型号： | EVAL-AD7797EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/24页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD7797 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 123 |
| 数据接口： | 串行 |
| 输入范围： | ±VREF/128 |
| 在以下条件下的电源（标准）： | 1.6mW @ 123SPS |
| 工作温度： | -40°C ~ 85°C |
| 已用 IC / 零件： | AD7797 |
| 已供物品： | 板，CD |
| 相关产品： | AD7797BRUZ-REEL-ND - IC ADC 24BIT SIG-DEL 1CH 16TSSOP AD7797BRUZ-ND - IC ADC 24BIT SIG-DEL 1CH 16TSSOP |
AD7796/AD7797
Rev. A | Page 18 of 24
Single Conversion Mode
In single conversion mode, the AD7796/AD7797 are placed in
shutdown mode between conversions. When a single conver-
sion is initiated by setting MD2, MD1, and MD0 in the mode
register to 0, 0, and 1, respectively, the part powers up, performs
a single conversion, and then returns to shutdown mode. The
on-chip oscillator requires 1 ms to power-up. A conversion
requires a time period of 2 × tADC. DOUT/RDY goes low to
indicate the completion of a conversion. When the data-word
has been read from the data register, DOUT/RDY goes high. If
CS is low, DOUT/RDY remains high until another conversion is
initiated and completed. The data register can be read several
times, if required, even when DOUT/RDY has gone high.
Continuous Conversion Mode
This is the default power-up mode. The AD7796/AD7797
continuously convert, and the RDY pin in the status register
goes low each time a conversion is complete. If CS is low, the
DOUT/RDY line also goes low when a conversion is complete.
To read a conversion, the user can write to the communication
register, indicating that the next operation is a read of the data
register. The digital conversion is placed on the DOUT/RDY
pin as soon as SCLK pulses are applied to the ADC. DOUT/RDY
returns high when the conversion is read. The user can read this
register additional times, if required. However, the user must
ensure that the data register is not being accessed at the completion
of the next conversion, or the new conversion word is lost.
0x58
DIN
0x08
0x200A
DATA
SCLK
DOUT/RDY
CS
06
083
-0
14
Figure 14. Single Conversion
DIN
SCLK
DOUT/RDY
CS
0x58
DATA
0
6083
-0
15
Figure 15. Continuous Conversion
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相关代理商/技术参数 |
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| EVAL-AD7798EB | 制造商:Analog Devices 功能描述:EVAL BD LOW PWR, 16BIT BFFRED SIGMA-DELTA ADC - Bulk |
| EVAL-AD7798EBZ | 功能描述:BOARD EVAL FOR AD7798 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7799EBZ | 功能描述:BOARD EVALUATION FOR AD7799 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件 |
| EVAL-AD7816/7/8EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7816EB | 制造商:AD 制造商全称:Analog Devices 功能描述:Single- and 4-Channel, 9 us, 10-Bit ADCs with On-Chip Temperature Sensor |
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