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参数资料
| 型号： | AD7799BRU-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT 3CH LP 16-TSSOP |
| 标准包装： | 2,500 |
| 位数： | 24 |
| 采样率（每秒）： | 470 |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 2.5mW |
| 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： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 3 个差分，单极；3 个差分，双极 |
| 配用： | EVAL-AD7799EBZ-ND - BOARD EVALUATION FOR AD7799 |
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Data Sheet
AD7798/AD7799
Rev. B | Page 21 of 28
Continuous Read
Rather than write to the communication register to access the
data each time a conversion is complete, the AD7798/AD7799
can be configured so that the conversions are placed on the
DOUT/RDY line automatically. By writing 01011100 to the
communication register, the user need only apply the
appropriate number of SCLK cycles to the ADC, and the
16-/24-bit word is automatically placed on the DOUT/RDY line
when a conversion is complete. The ADC should be configured
for continuous conversion mode.
When DOUT/RDY goes low to indicate the end of a conversion,
sufficient SCLK cycles must be applied to the ADC, and the
data conversion is placed on the DOUT/RDY line. When the
conversion is read, DOUT/RDY returns high until the next
conversion is available. In this mode, the data can only be read
once. In addition, the user must ensure that the data-word is
read before the next conversion is complete. If the user does not
read the conversion before the completion of the next conversion,
or if insufficient serial clocks are applied to the AD7798/AD7799
to read the word, the serial output register is reset when the
next conversion is complete, and the new conversion is placed
in the output serial register.
To exit the continuous-read mode, the instruction 01011000
must be written to the communication register while the
DOUT/RDY pin is low. While in continuous-read mode, the
ADC monitors activity on the DIN line in case the instruction
to exit the continuous-read mode occurs. Additionally, a reset
occurs if 32 consecutive 1s are seen on DIN. Therefore, DIN
should be held low in continuous-read mode until an
instruction is written to the device.
04856-019
DIN
SCLK
DOUT/RDY
CS
0x5C
DATA
Figure 18. Continuous Read
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7799BRUZ | 功能描述:IC ADC 24BIT SIG-DEL 3CH 16TSSOP 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 |
| AD7799BRUZ-REEL | 功能描述:IC ADC 24BIT 3CH LP 16-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:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD779AD | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit 128 kSPS Complete Sampling ADC |
| AD779AJ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 14-Bit |
| AD779BD | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit 128 kSPS Complete Sampling ADC |
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