参数资料
| 型号： | AD73322LYRZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 35/48页 |
| 文件大小： | 0K |
| 描述： | IC ANALOG FRONT END DUAL 28-SOIC |
| 标准包装： | 27 |
| 位数： | 16 |
| 通道数： | 4 |
| 功率（瓦特）： | 73mW |
| 电压 - 电源，模拟： | 2.7 V ~ 5.5 V |
| 电压 - 电源，数字： | 2.7 V ~ 5.5 V |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
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AD73322L
Rev. A | Page 40 of 48
DAC TIMING CONTROL EXAMPLE
The AD73322L’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 50 shows an example of the ADC
unload and DAC load sequence. At time t1, 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 subsequent 16 SCLK cycles, finishing at time t2 where the
DSP’s SPORT has received the 16-bit word. The DSP may
process this information and generate a DAC word to be sent to
the AD73322L. Time t3 marks the beginning of the sequence of
sending the DAC word to the AD73322L. This sequence ends at
time t4, where the DAC register is updated from the 16 bits in
the AD73322L’s serial register. However, the DAC is not
updated from the DAC register until time t5, which may not be
accept-able in certain applications. In order to reduce this delay
and load the DAC at time t6, the DAC advance register can be
programmed with a suitable setting corresponding to the
required time advance (refer to Table 15 for details of DAC
timing control settings).
SE
SCLK
SDOFS
SDO
SDIFS
DATA REGISTER
UPDATE
DAC LOAD
FROM DAC REGISTER
t1
t2
t3
t4 t6
t5
ADC WORD
SDI
DAC WORD
00691-048
Figure 48. DAC Timing Control
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD73322LYST | 制造商:Analog Devices 功能描述: |
| AD73322LYSTZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD73360 | 制造商:AD 制造商全称:Analog Devices 功能描述:Six-Input Channel Analog Front End |
| AD73360AR | 制造商:Analog Devices 功能描述:AFE General Purpose 6ADC 16-Bit 5V 28-Pin SOIC W 制造商:Analog Devices 功能描述:IC 16-BIT ADC |
| AD73360AR-REEL | 制造商:Analog Devices 功能描述:AFE General Purpose 6ADC 16-Bit 5V 28-Pin SOIC W T/R 制造商:Analog Devices 功能描述:AFE GEN PURPOSE 6ADC 16BIT 5V/5V/5V 28SOIC W - Tape and Reel |
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