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Description
The SPCA751A is a single chip signal processor optimized for MPEG audio decoding and voice recording. It is developed to achieve a better performance/cost ratio for MPEG audio players. The SPCA751A is especially designed for standalone audio players, the system controller can easily carry out the MPEG audio decoding process by the use of a general serial IO/control interface for MPEG bit stream in/out and playback control. Decoded audio PCM data are output to external DAC through a programmable normal/I2S DAC interface, such that most of common audio DACs can be cooperated with SPCA751A to meet different customers requirements.
Specifications and features
• Single chip MPEG audio decoder
- Conforming to MPEG1/MPEG2 audio layer 2/3
- Extension to MPEG lower sampling rates
• Digital sound control
- Digital volume control
- Stereo/Mono channel select
- Digital sound equalizer
• Internal auto-generate audio clock
- Sampling frequency from 8 kHz up to 48 kHz
• Programmable audio DAC interface
- Support both normal and I2S audio DAC formats
- Audio clock polarity programmable
- Internal auto-generated oversampling clock for DAC
- Accept external audio clock for sampling rate control
• Serial data IO and control interface
- Easy for the host processor to command
• Low power dissipation
• PLL embedded
- Require only 16.934MHz crystal, resistors, and capacitors to supply the system clock
• Built-in Digital Recording option
- Embedded 10-bit 8 kHz audio ADC
- SACM_S480 recording with 4.8 kbit/sec
- SACM_S3200 recording with 32 kbit/sec
• Device Parameter
- Supply voltage : 3.0 ~ 3.6 volts
- IO interface : 5 volts tolerance, TTL compatible
- Package : 44-pin LQFP
- Power consumption: less than 150 mW @ 3.6 voltsApplication Scenarios
The SPCA751A can be used in standalone audio players as well as other devices requiring MPEG audio decoding and voice recording functionality. It is suitable for various applications in the field of consumer electronics, entertainment, and communication.
Comparison
The SPCA751A offers a cost-effective solution for MPEG audio decoding and voice recording, making it a popular choice for standalone audio players. Its single chip design and integrated features provide convenience and flexibility for system integration. However, the SPCA751A may have limitations in terms of power consumption and compatibility with certain audio DAC formats.
Advantages- Single chip design for easy system integration
- Support for MPEG audio decoding and voice recording
- Programmable audio DAC interface for compatibility with different audio DACs
- Digital sound control features for enhanced audio experience
- Low power dissipation for energy efficiencyDisadvantages- Power consumption may be higher compared to other models
- Limited compatibility with certain audio DAC formats -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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Popular parts of the same kind
- Datasheet: Download SPCA751A
- Chipdatas Part: CD94-SPCA751A
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 08:53 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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