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参数资料
| 型号： | AD7734BRUZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 4CH SIG-DEL 28TSSOP |
| 标准包装： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 15.4k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 100mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 标准包装 |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极 |
| 其它名称： | AD7734BRUZ-REEL7DKR |
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Data Sheet
AD7734
Rev. A | Page 21 of 32
MD2 MD1 MD0 Operating Mode
0
Idle Mode
The default mode after power-on or reset.
The AD7734 automatically returns to this mode after any calibration or after a single conversion.
0
1
Continuous Conversion Mode
The AD7734 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
AD7734 continues converting on the next enabled channel. The part will cycle through all enabled channels until it is
put into another mode or reset. The cycle period will be the sum of all enabled channels’ conversion times, set by the
corresponding channel conversion time registers.
0
1
0
Single Conversion Mode
The AD7734 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–MD0 bits are reset, and the AD7734 returns to idle mode. Requesting a single conversion ignores
the channel setup register enable bits; a conversion will be performed even if that channel is disabled.
0
1
Power-Down (Standby) Mode
The ADC and the analog front end (internal buffer) go into the power-down mode.
The AD7734 digital interface can still be accessed. The CLKDIS bit works separately, and the MCLKOUT mode is not
affected by the power-down (standby) mode.
1
0
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–MD0 bits are reset, and the AD7734 returns to idle mode.
1
0
1
For Future Use.
1
0
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 AD7734 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–MD0 bits are reset, and the AD7734 returns to
idle mode.
1
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 AD7734 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–MD0 bits are reset, and the AD7734 returns to
idle mode.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7738 | 制造商:Analog Devices 功能描述:- Bulk |
| AD7738BRU | 功能描述:IC ADC 24BIT 8-CH 28-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7738BRU-REEL | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 3.05Msps 24-bit Serial 28-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 15.437KSPS 24BIT SERL 28TSSOP - Tape and Reel |
| AD7738BRU-REEL7 | 功能描述:IC ADC 24BIT 8CH SIG-DEL 28TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7738BRUZ | 功能描述:IC ADC 24BIT 8-CH 28-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
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