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参数资料
| 型号： | EVAL-AD7738EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/28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
–19–
MD2
MD1
MD0
Operating Mode
000
Idle Mode
The default mode after Power-On or Reset.
The AD7738 returns to this mode automatically after any calibration or after a single conversion.
001
Continuous Conversion Mode
The AD7738 performs a conversion on the specified channel. After the conversion is complete, the
relevant Channel Data register and Channel Status register are updated, the relevant RDY bit in the
ADC status register is set, and the AD7738 continues converting on the next enabled channel. The AD7738
will cycle through all enabled channels until put into another mode or reset. The cycle period will be the
sum of all enabled channels’ conversion times, set by corresponding Channel Conversion Time registers.
010
Single Conversion Mode
The AD7738 performs a conversion on the specified channel. After the conversion is complete, the
relevant Channel Data register and Channel Status register are updated, the relevant RDY bit in the
ADC status register is set, the
RDY pin goes low, the MD2, MD1, and MD0 bits are reset, and AD7738
returns to the Idle mode. Requesting a single conversion ignores the Channel Setup registers’ Enable bits
and a conversion will be performed even if that channel is disabled.
011
Power-Down (Standby) Mode
The ADC and the analog front end (internal buffer) go into the power-down mode. The AD7738 digital
interface can still be accessed. The CLKDIS bit works separately, the MCLKOUT mode is not affected
by Power-Down (Standby) mode.
100
ADC Zero-Scale Self-Calibration Mode
A zero-scale self-calibration is performed on internally shorted ADC inputs. After the calibration is
complete, the contents of the ADC Zero-Scale Calibration register are updated, all RDY bits in the ADC
status register are set, the
RDY pin goes low, the MD2, MD1, and MD0 bits are reset, and the AD7738
returns to the Idle mode.
101
For Future Use
110
Channel Zero-Scale System Calibration Mode
A zero-scale system calibration is performed on the selected channel. An external system zero-scale
voltage should be provided at the AD7738 analog input and this voltage should remain stable for the
duration of the calibration. After the calibration is complete, the contents of the corresponding Channel
Zero Scale Calibration register are updated, all RDY bits in the ADC status register are set, the
RDY pin
goes low, the MD2, MD1, and MD0 bits are reset, and AD7738 returns to the Idle mode.
111
Channel Full-Scale System Calibration Mode
A full-scale system calibration is performed on the selected channel. An external system full-scale voltage
should be provided at the AD7738 analog input and this voltage should remain stable for the duration of
the calibration. After the calibration is complete, the contents of the corresponding Channel Full-Scale
Calibration register are updated, all RDY bits in the ADC status register are set, the
RDY pin goes low,
the MD2, MD1, and MD0 bits are reset, and AD7738 returns to the Idle 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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