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| 型号： | AD73311 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Low Cost, Low Power CMOS General Purpose Analog Front End Processor(低成本、低功耗、CMOS通用模拟前端处理器) |
| 中文描述： | 低成本，低功耗CMOS通用模拟前端处理器（低成本，低功耗，的CMOS通用模拟前端处理器） |
| 文件页数： | 34/36页 |
| 文件大小： | 290K |
| 代理商： | AD73311 |
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AD73311
–34–
REV. A
APPENDIX E
DAC Timing Control Example
The AD73311’s DAC is loaded from the DAC register contents
just before the ADC register contents are loaded to the serial
register (SDOFS going high). This default DAC load position
can be advanced in time to occur earlier with respect to the
SDOFS going high. Figure 37 shows an example of the ADC
unload and DAC load sequence. At time t
1
the SDOFS is raised
to indicate that a new ADC word is ready. Following the SDOFS
pulse, 16 bits of ADC data are clocked out on SDO in the sub-
sequent 16 SCLK cycles finishing at time t
2
where the DSP’s
SPORT will have received the 16-bit word. The DSP may
ADC WORD
DAC WORD
SE
SCLK
SDOFS
SDO
SDIFS
SDI
DAC REGISTER
UPDATE
DAC LOAD
FROM DAC REGISTER
t
6
t
4
t
5
t
3
t
2
t
1
Figure 37. DAC Timing Control
process this information and generate a DAC word to be sent to
the AD73311. Time t
3
marks the beginning of the sequence of
sending the DAC word to the AD73311. This sequence ends at
time t
4
where the DAC register will be updated from the 16 bits
in the AD73311’s serial register. However, the DAC will not be
updated from the DAC register until time t
5
which may not be
acceptable in certain applications. In order to reduce this delay
and load the DAC at time t
6
, the DAC advance register can be
programmed with a suitable setting corresponding to the
required time advance (refer to Table VIII for details of DAC
Timing Control settings).
相关PDF资料 |
PDF描述 |
|---|---|
| AD73322LARU | Low Cost, Low Power CMOS General-Purpose Dual Analog Front End |
| AD73322AR | Low Cost, Low Power CMOS General-Purpose Dual Analog Front End |
| AD73322AST | Low Cost, Low Power CMOS General-Purpose Dual Analog Front End |
| AD73322LAR | Low Cost, Low Power CMOS General-Purpose Dual Analog Front End |
| AD73322LAST | Low Cost, Low Power CMOS General-Purpose Dual Analog Front End |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD73311AR | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 16-Bit 20-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:SPEECH & TELEPHONY CODEC I.C. - Bulk 制造商:Analog Devices 功能描述:SPEECH/TELEPHONY CODEC SMD 73311 |
| AD73311AR-REEL | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 16-Bit 20-Pin SOIC W T/R |
| AD73311ARS | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 16-Bit 20-Pin SSOP |
| AD73311ARS-REEL | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 16-Bit 20-Pin SSOP T/R 制造商:Rochester Electronics LLC 功能描述:SPEECH & TELEPHONY CODEC I.C. - Tape and Reel |
| AD73311ARSZ | 功能描述:IC ANALOG FRONT END 20-SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模拟前端 (AFE) 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:- 通道数:2 功率（瓦特）:- 电压 - 电源，模拟:3 V ~ 3.6 V 电压 - 电源，数字:3 V ~ 3.6 V 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN（5x5） 包装:带卷 (TR) |
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