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参数资料
| 型号： | AD1836AASZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC CODEC 4ADC/6DAC 24 BIT 52MQFP |
| 产品培训模块： | Interfacing AV Converters to Blackfin Processors |
| 标准包装： | 1 |
| 类型： | 通用 |
| 数据接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 数量： | 4 / 6 |
| 三角积分调变： | 是 |
| S/N 比，标准 ADC / DAC (db)： | 105 / 108 |
| 动态范围，标准 ADC / DAC (db)： | 105 / 108 |
| 电压 - 电源，模拟： | 4.75 V ~ 5.25 V |
| 电压 - 电源，数字： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 52-QFP |
| 供应商设备封装： | 52-MQFP（10x10） |
| 包装： | 托盘 |
| 产品目录页面： | 776 (CN2011-ZH PDF) |
| 配用： | AD1836AZ-DBRD-ND - BOARD EVAL FOR AD1836A |
AD1836A
Data Sheet
Rev. A | Page 12 of 24
through an FPGA or other large digital chip before being
applied to the AD1836A. In most cases, this will induce clock
jitter due to the fact that the clock signal is sharing common
power and ground connections with other unrelated digital
output signals.
The six DAC channels use a common serial bit clock to clock in
the serial data and a common left-right framing clock. The four
ADC channels output a common serial bit clock and a left-right
framing clock. The clock signals are all synchronous with the
sample rate.
RESET AND POWER-DOWN
Reset will power down the chip and set the control registers to
their default settings. After reset is de-asserted, an initialization
routine will run inside the AD1836A to clear all memories to
zero. This initialization lasts for approximately 4500 MCLKs.
The power-down bit in the DAC Control Register 1 and ADC
Control Register 1 will power down the respective digital
section. The analog circuitry does not power down. All other
register settings are retained.
To avoid possible synchronization problems, if MCLK is 512 fS
or 768 fS, the clock rate should be set in ADC Control Register 3
within the first 3072 MCLK cycles after reset, or DLRCLK and
DBCLK should be withheld until after the internal initialization
completes (see above).
SERIAL CONTROL PORT
The AD1836A has an SPI compatible control port that permits
programming the internal control registers for the ADCs and
DACs and for reading the ADC signal level from the internal
peak detectors. The DAC output levels may be independently
programmed by means of an internal digital attenuator
adjustable in 1024 linear steps.
The SPI control port is a 4-wire serial control port. The format
is similar to the Motorola SPI format except the input data-word
is 16 bits wide. The maximum serial bit clock frequency is 8 MHz
and may be completely asynchronous to the sample rate of the
ADCs and DACs. Figure 3 shows the format of the SPI signal.
All control registers are write-only. They cannot be read back.
The ADC peak registers are read-only. They are reset to zero each
time they are read and are updated at the next sample time.
Due to an anomaly in the SPI interface, when a write to a DAC
control register follows after a read or a write to an ADC
register, it may not be executed properly. Any such write should
be performed twice.
CLATCH
CCLK
CDATA
COUT
D15
D9
D0
D14
D8
D0
Figure 3. Format of SPI Signal
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD1836AASZKL1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD1836AASZRL | 功能描述:IC CODEC 4ADC/6DAC 24BIT 52MQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:PCM 数据接口:PCM 音频接口 分辨率（位）:15 b ADC / DAC 数量:1 / 1 三角积分调变:是 S/N 比，标准 ADC / DAC (db):- 动态范围，标准 ADC / DAC (db):- 电压 - 电源，模拟:2.7 V ~ 3.3 V 电压 - 电源，数字:2.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-VFBGA 供应商设备封装:80-BGA MICROSTAR JUNIOR（5x5） 包装:带卷 (TR) 其它名称:296-21257-2 |
| AD1836ACS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD1836ACSRL | 制造商:AD 制造商全称:Analog Devices 功能描述:Multichannel 96 kHz Codec |
| AD1836ACSZ | 功能描述:IC CODEC 4ADC/6DAC 24 BIT 52MQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:立体声音频 数据接口:串行 分辨率（位）:18 b ADC / DAC 数量:2 / 2 三角积分调变:是 S/N 比，标准 ADC / DAC (db):81.5 / 88 动态范围，标准 ADC / DAC (db):82 / 87.5 电压 - 电源，模拟:2.6 V ~ 3.3 V 电压 - 电源，数字:1.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-WFQFN 裸露焊盘 供应商设备封装:48-TQFN-EP（7x7） 包装:带卷 (TR) |
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