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PCM2912APJTR
+BOMIC STEREO AUD CODEC W/USB 32TQFP
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ManufacturerTexas Instruments
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Mfr. Part #PCM2912APJTR
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Package TQFP (PJT)-32
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In Stock7249
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Stereo Audio |
| DataInterface | USB |
| Resolution(Bits) | 16 b |
| NumberofADCs/DACs | 1 / 2 |
| SigmaDelta | Yes |
| S/NRatioADCs/DACs(db)Typ | 92 / 92 |
| DynamicRangeADCs/DACs(db)Typ | 90 / 90 |
| Voltage-SupplyAnalog | 4.35V ~ 5.25V |
| Voltage-SupplyDigital | 4.35V ~ 5.25V |
| OperatingTemperature | -25°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 32-TQFP |
Overview
Description
The PCM2912APJTR is a versatile audio codec integrated circuit developed by Texas Instruments. It is designed to facilitate the conversion of analog audio signals into digital form and vice versa, making it suitable for applications that require both audio input and output processing. This IC integrates a stereo audio digital-to-analog converter (DAC) and an analog-to-digital converter (ADC) with USB interface capabilities, allowing seamless connectivity with USB-equipped devices like computers and other peripherals.
Key features of the PCM2912APJTR include its compatibility with USB 2.0, integrated clock generation, and support for bus-powered operation, reducing the need for external power supplies. It also features built-in digital filters and supports sampling rates up to a certain limit, ensuring high-quality audio performance. Its compact package and low power consumption make it ideal for portable and desktop audio applications, such as USB headsets, speakerphones, and audio dongles. The PCM2912APJTR is widely used in consumer electronics for its reliability and efficient audio processing capabilities.
Key features of the PCM2912APJTR include its compatibility with USB 2.0, integrated clock generation, and support for bus-powered operation, reducing the need for external power supplies. It also features built-in digital filters and supports sampling rates up to a certain limit, ensuring high-quality audio performance. Its compact package and low power consumption make it ideal for portable and desktop audio applications, such as USB headsets, speakerphones, and audio dongles. The PCM2912APJTR is widely used in consumer electronics for its reliability and efficient audio processing capabilities.
Equivalent
The PCM2912APJTR is a USB audio codec. Equivalent products include:
1. CM108AH - by C-Media, a USB audio chip with similar functionalities.
2. AK5371 - by AKM, a USB audio CODEC.
3. SA9023 - by Savitech, provides USB audio functionalities.
4. TLV320AIC3104 - by Texas Instruments, offers USB and other audio interfaces.
These alternatives can vary slightly in features and specifications, so it's important to verify compatibility with your specific requirements.
1. CM108AH - by C-Media, a USB audio chip with similar functionalities.
2. AK5371 - by AKM, a USB audio CODEC.
3. SA9023 - by Savitech, provides USB audio functionalities.
4. TLV320AIC3104 - by Texas Instruments, offers USB and other audio interfaces.
These alternatives can vary slightly in features and specifications, so it's important to verify compatibility with your specific requirements.
Features
The PCM2912APJTR is a stereo audio codec with an integrated USB interface, designed by Texas Instruments. It features a 16-bit delta-sigma ADC and DAC, providing high-quality audio conversion. The device supports a sampling frequency of up to 48 kHz for both recording and playback. It includes an integrated USB transceiver and is compliant with USB 2.0 full-speed standards, making it suitable for USB audio applications.
Additional features include a microphone input with an integrated preamplifier and biasing circuits, as well as a headphone amplifier capable of driving 16-ohm loads directly. The PCM2912APJTR operates on a single 5V power supply, typically derived from the USB bus, and includes features like AES3/SPDIF output and GPIO for added flexibility. This codec is ideal for use in a variety of audio applications, such as USB headsets, sound cards, and other audio interface devices. Its compact package and integration of multiple functions make it a cost-effective solution for consumer and professional audio markets.
Additional features include a microphone input with an integrated preamplifier and biasing circuits, as well as a headphone amplifier capable of driving 16-ohm loads directly. The PCM2912APJTR operates on a single 5V power supply, typically derived from the USB bus, and includes features like AES3/SPDIF output and GPIO for added flexibility. This codec is ideal for use in a variety of audio applications, such as USB headsets, sound cards, and other audio interface devices. Its compact package and integration of multiple functions make it a cost-effective solution for consumer and professional audio markets.
Pinout
The PCM2912APJTR is an integrated circuit by Texas Instruments designed for audio applications. It functions as a USB audio codec, converting digital audio data to analog and vice versa. The device features stereo audio DAC and ADC, and is used to enable audio functionalities in USB-based systems.
The PCM2912APJTR is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package). Key functions of its pins include USB interface connections, audio input and output, power supply, and control signals. The device provides a comprehensive solution for interfacing USB audio with analog audio systems, supporting full-speed USB communication. It is suitable for applications in USB speakers, headsets, and other audio peripherals.
This codec's main features include integrated headphone amplifiers, microphone input, and the ability to operate without requiring an external crystal or oscillator, simplifying the design process. It is widely used in consumer electronics where USB audio interface is required.
The PCM2912APJTR is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package). Key functions of its pins include USB interface connections, audio input and output, power supply, and control signals. The device provides a comprehensive solution for interfacing USB audio with analog audio systems, supporting full-speed USB communication. It is suitable for applications in USB speakers, headsets, and other audio peripherals.
This codec's main features include integrated headphone amplifiers, microphone input, and the ability to operate without requiring an external crystal or oscillator, simplifying the design process. It is widely used in consumer electronics where USB audio interface is required.
Manufacturer
The PCM2912APJTR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They specialize in developing analog chips and embedded processors, which are widely used in electronics applications across various industries. TI is known for its innovation in the electronics sector and plays a significant role in advancing technology in areas such as consumer electronics, automotive, industrial applications, and communication equipment.
Application
The PCM2912APJTR is a highly integrated USB audio codec designed for various applications requiring audio input and output via USB interfaces. Key application areas include:
1. PC Audio Interfaces: Used in computers and laptops for high-quality audio input/output.
2. USB Microphones: Facilitates digital audio capture for podcasts, streaming, and conferencing.
3. Docking Stations: Provides audio connectivity in docking solutions for laptops and mobile devices.
4. Audio Adapters: Serves as a USB-to-audio converter in adapters for headphones and speakers.
5. Consumer Electronics: Integrated into devices like smart speakers and home entertainment systems requiring USB audio connectivity.
These applications benefit from the codec's compact form factor, low power consumption, and high-fidelity audio performance.
1. PC Audio Interfaces: Used in computers and laptops for high-quality audio input/output.
2. USB Microphones: Facilitates digital audio capture for podcasts, streaming, and conferencing.
3. Docking Stations: Provides audio connectivity in docking solutions for laptops and mobile devices.
4. Audio Adapters: Serves as a USB-to-audio converter in adapters for headphones and speakers.
5. Consumer Electronics: Integrated into devices like smart speakers and home entertainment systems requiring USB audio connectivity.
These applications benefit from the codec's compact form factor, low power consumption, and high-fidelity audio performance.
Package
The PCM2912APJTR is an integrated circuit in a TQFP (Thin Quad Flat Package) type. This package is designed for surface mounting on printed circuit boards and typically has a small, square footprint with leads on all four sides.
