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AD1853JRS

更新时间： 2024-02-06 11:01:21
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
16页 411K
描述
Stereo, 24-Bit, 192 kHz, Multibit DAC

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中文翻译

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AD1853JRS 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP,针数：28
Reach Compliance Code：unknown风险等级：5.31
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：10.21 mm
湿度敏感等级：1功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：COMMERCIAL座面最大高度：1.98 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：MATTE TIN端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：5.295 mm

AD1853JRS 数据手册

 浏览型号AD1853JRS的Datasheet PDF文件第7页浏览型号AD1853JRS的Datasheet PDF文件第8页浏览型号AD1853JRS的Datasheet PDF文件第9页浏览型号AD1853JRS的Datasheet PDF文件第11页浏览型号AD1853JRS的Datasheet PDF文件第12页浏览型号AD1853JRS的Datasheet PDF文件第13页 
AD1853  
Control Register  
The following table shows the functions of the control register. The control register is addressed by having a “01” in the bottom 2 bits  
of the 16-bit SPI word. The top 14 bits are then used for the control register.  
Bit 11  
Bit 10  
Bit 9:8  
Bit 7  
Bit 6  
Bit 5:4  
Bit 3:2  
INT2× Mode  
INT4× Mode  
Number of  
Soft Reset.  
Default = 0  
Soft Mute OR’d Serial Mode OR’d  
De-Emphasis Filter  
Select.  
0:0 No Filter  
0:1 44.1 kHz Filter  
1:0 32 kHz Filter  
1:1 48 kHz Filter  
Default = 0.0  
OR’d with Pin. OR’d with Pin. Bits in Right-  
with Pin.  
Default = 0  
with Mode Pins.  
IDPMI:IDPM0  
0:0 Right-Justified  
0:1 I2S  
Default = 0  
Default = 0  
Justified Serial  
Mode.  
0:0 = 24  
0:1 = 20  
1:0 = 16  
1:0 Left-Justified  
1:1 DSP Mode  
Default = 0:0  
Default = 0:0  
Mute  
De-Emphasis  
The AD1853 offers two methods of muting the analog output.  
By asserting the MUTE (Pin 23) signal HI, both the left and  
right channel are muted. As an alternative, the user can assert  
the mute bit in the serial control register (Bit 6) HI. The AD1853  
has been designed to minimize pops and clicks when muting  
and unmuting the device by automatically “ramping” the gain  
up or down. When the device is unmuted, the volume returns to  
the value set in the volume register.  
The AD1853 has a built-in de-emphasis filter that can be used  
to decode CDs that have been encoded with the standard  
“Redbook” 50 µs/15 µs emphasis response curve. Three curves  
are available; one each for 32 kHz, 44.1 kHz and 48 kHz sam-  
pling rates. The external “DEEMP” pin (Pin 9) turns on the  
44.1 kHz de-emphasis filter. The other filters may be selected  
by writing to control Bits 2 and 3 in the control register. If the  
SPI port is used to control the de-emphasis filter, the external  
DEEMP pin should be tied LO.  
Analog Attenuation  
The AD1853 also offers the choice of using IREF (Pin 10) to  
attenuate by up to 50 dB in the analog domain. This feature can  
be used as an analog volume control. It is also a convenient  
place to add a compressor/limiter gain control signal.  
Control Signals  
The IDPM0 and IDPM1 control inputs are normally con-  
nected HI or LO to establish the operating state of the AD1853.  
They can be changed dynamically (and asynchronously to  
LRCLK and the master clock), but it is possible that a click  
or pop sound may result during the transition from one serial  
mode to another. If possible, the AD1853 should be placed in  
mute before such a change is made.  
Output Drive, Buffering and Loading  
The AD1853 analog output stage is able to drive a 1 kΩ (in  
series with 2 nF) load. The analog outputs are usually ac  
coupled with a 10 µF capacitor.  
Figures 9–14 show the calculated frequency response of the  
digital interpolation filters. Figures 15–27 show the performance  
of the AD1853 as measured by an Audio Precision System 2  
Cascade. For the wideband plots, the noise floor shown in the  
plots is higher than the actual noise floor of the AD1853. This is  
caused by the higher noise floor of the “High Bandwidth” ADC  
used in the Audio Precision measurement system. The two-tone  
test shown in Figure 18 is per the SMPTE standard for measur-  
ing Intermodulation Distortion.  
0.001  
0.0008  
0.0006  
0.0004  
0.0002  
0
0
–20  
–40  
–60  
–80  
–0.0002  
–0.0004  
–0.0006  
–0.0008  
–0.001  
–100  
–120  
–140  
–160  
0
2
4
6
8
10  
12  
14  
16  
18  
20  
0
50  
100  
150  
200  
250  
300  
350  
FREQUENCY – kHz  
FREQUENCY – kHz  
Figure 9. Passband Response 8× Mode, 48 kHz Sample  
Rate  
Figure 10. Complete Response, 8× Mode, 48 kHz  
Sample Rate  
–10–  
REV. A  
1...78910111213...16

中文翻译

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AD1853JRS 替代型号

型号 品牌 替代类型 描述 数据表
AD1853JRSRL ADI

完全替代

 		Stereo, 24-Bit, 192 kHz, Multibit DAC

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