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For Analog Audio Processors, Are there products with separate volume and input selectors?
Yes, there are. BD3706x series, BD349x series, BD3813KS, BD3861FS, BD387x series, BD3883FS, BD3403FV are applicable.
For Analog Audio Processors, Are there any products with selectable I2C slave addresses?
The BD346x series and BD34602FS-M have two different slave addresses that are selectable so two can be controlled simultaneously by one controller.
For Analog Audio Processors, What are the benefits of using ground-isolated inputs?
The ground isolation input is effective in removing Common Mode Noise superimposed on both the signal input and GND. For example, it is effective when the same noise is on the GND side and the signal side, such as when a signal from an external device is input via RCA cables.
For Analog Audio Processors, What are the conditions under which the power-on reset circuit operates?
At power-on, the power-on reset is released when the power supply voltage rises above the power-on reset release voltage. The power-on reset is activated when the power supply voltage falls below the power-on reset release voltage.
For Analog Audio Processors, What type of product is Hi-VOL type?
Typical output of analog audio processors is about 2Vrms. Hi-VOL type can output 3 to 5Vrms.
12V输入，给3节锂电池（12.6V）充电的充电管理芯片有吗？电流2A即可。
推荐ROHM品牌的锂电池充电管理芯片：BD99954MWV，支持最多4节锂电池串联充电方式，产品带通讯接口。详细参数看如下链接 1 to 4-Cell Li-Ion Battery Manager For Application Processors BD99954MWV, BD99954GW数据手册
有没有IIC接口的单节锂电池充电管理芯片。多介绍几种，还在选型。
罗姆的BD99954MWV，支持1-4节锂电池的充电管理，带通讯口控制。规格书如下：1 to 4-Cell Li-Ion Battery Manager For Application Processors BD99954MWV, BD99954GW数据手册
Can I use the Thermal Wizard Selection Tool without knowing my cooling requirements?
Yes. The Thermal Wizard provides four calculators for Device Cooling, Enclosure Cooling, Air Cooling and Liquid Cooling with preprogrammed examples. Each calculator has several examples to help you get started. Once you have determined the Qc value, you are able to specify the appropriate thermoelectric products.
What is the difference between PWR and SWR and how to select?
Due to process difference of PWR and SWR, the pulse and surge resistance feature are different. The characteristics of SWR are slightly better than PWR, but the precision performance is relatively poor. Therefore, PWR should be selected for higher precision and SWR is suitable for high characteristics requirements.
When performing A/D conversion for multiple channels, are channels put into the sampling wait state until sampling of one channel is completed? Or, can sampling be performed simultaneously?
The ADC of our microcontroller performs A/D conversion while switching channels and therefore unprocessed channels are put into the wait state. Simultaneous conversion cannot be performed.
For Analog Audio Processors, Is power-on reset function built into all products?
Not built into BD34700FV, BD34701KS2, BD381x series, and BD3843FS.
There is the silence insertion function on edit ROM function. Do we need to prepare the individual "silent" phrase?
The individual "silent" phrase is not necessary. The silent data ROM size can be reduced using the silence insertion function. Related Products: ML22420/460, ML22530/Q53x, ML2256x/Q563, ML2257x/Q573, ML22594, ML22660/Q66x, ML2272x/76x, ML2282x/86x, ML22Q374/Q394, ML22Q553
Is there any way to avoid receiving data during CCA?
To prevent data reception during CCA, follow the steps shown below. To restore data reception after CCA, be sure to return to the original setting before reception. [Procedure] (1) Setting to prevent bit synchronization from being established BANK1: 0x5C = 0x00 BANK3: 0x03 = 0x00 (2) CCA started (3) Waiting for CCA completion (4) After completion of CCA, TRX_OFF (1) Setting to establish bit synchronization BANK1: 0x5C = original value BANK3: 0x03 = original value Related Products: ML7345 family
For Analog Audio Processors, For products with VOL and FADER, how can I use them to reduce output noise?
To reduce the output noise level, decrease the gain of the FADER in the second stage instead of the VOL in the first stage.
Is there any way to avoid receiving data during CCA?
To prevent data reception during CCA, follow the steps shown below. To restore data reception after CCA, be sure to return to the original setting before reception. [Procedure] (1) Setting to prevent bit synchronization from being established BANK2: 0x03 = 0x00 BANK2: 0x0E = 0x00 (2) CCA started (3) Waiting for CCA completion (4) After completion of CCA, TRX_OFF (1) Setting to establish bit synchronization BANK2: 0x03 = original value BANK2: 0x0E = original value Related Products: ML7396 family
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