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参数资料
| 型号： | EVAL-AD7738EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD7738 |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 15.4k |
| 数据接口： | 串行 |
| 输入范围： | ±2.5 V |
| 在以下条件下的电源（标准）： | 85mW @ 5V |
| 工作温度： | -40°C ~ 105°C |
| 已用 IC / 零件： | AD7738 |
| 已供物品： | 板 |
| 相关产品： | AD7738BRUZ-REEL7-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRUZ-REEL-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRUZ-ND - IC ADC 24BIT 8-CH 28-TSSOP AD7738BRU-REEL7-ND - IC ADC 24BIT 8CH SIG-DEL 28TSSOP AD7738BRU-ND - IC ADC 24BIT 8-CH 28-TSSOP |
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REV. 0
AD7738
–21–
Single Conversion and Reading Data
When the Mode register is being written, the ADC Status Byte
is cleared and the
RDY pin goes high regardless of its previous
state. When the single conversion command is written to the
Mode register, the ADC starts the conversion on the channel
selected by the address of the Mode register. After the conversion
is completed, the Data register is updated, the Mode register is
changed to Idle mode, the relevant RDY bit is set, and the
RDY
pin goes low. The RDY bit is reset and the
RDY pin returns
high when the relevant Channel Data register is being read.
Figure 7 shows the digital interface signals executing a single
conversion on Channel 0, waiting for the
RDY pin low, and
reading the Channel 0 Data register.
Dump Mode
When the DUMP bit in the Mode register is set to 1, the Chan-
nel Status register will be read immediately by a read of the
Channel Data register regardless of whether the Status or the
Data register has been addressed through the Communication
register. The DIN pin should not be high while reading 24-bit
data in Dump mode. Otherwise the AD7738 will be reset.
Figure 8 shows the digital interface signals executing a single
conversion on Channel 0, waiting for for the
RDY pin low, and
reading the Channel 0 Status register and Data register in the
Dump mode.
DIN
SCLK
CS
DOUT
WRITE
COMMUNICATIONS
REGISTER
WRITE
MODE
REGISTER
RDY
CONVERSION
TIME
READ DATA
REGISTER
38h
40h
48h
(00h)
DATA
WRITE
COMMUNICATIONS
REGISTER
Figure 7. Serial Interface Signals—Single Conversion Command and 16-Bit Data Reading
DIN
SCLK
CS
DOUT
WRITE
COMMUNICATIONS
REGISTER
WRITE
MODE
REGISTER
RDY
CONVERSION
TIME
READ DATA
REGISTER
38h
48h
(00h)
CH. STAT
DATA
WRITE
COMMUNICATIONS
REGISTER
READ
CHANNEL
STATUS
DATA
(00h)
Figure 8. Serial Interface Signals—Single Conversion Command, 16-Bit Data Reading, Dump Mode
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EVAL-AD7739EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7739EBZ | 功能描述:BOARD EVAL FOR AD7739 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-AD7741/42EB | 制造商:Analog Devices 功能描述:Evaluation Board For Single And Multi-Channel Synchronous Voltage-To-Frequency Converters 制造商:Analog Devices 功能描述:EVALUATION BOARD IC - Bulk |
| EVAL-AD7741/42EBZ | 功能描述:BOARD EVAL FOR AD7741/7742 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:- 主要目的:电信，线路接口单元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要属性:T1/J1/E1 LIU 次要属性:- 已供物品:板，电源，线缆，CD 其它名称:82EBV2081 |
| EVAL-AD7741-42EBZ | 制造商:AD 制造商全称:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
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