Texas Instruments

PCM1802DB

The Texas Instruments PCM1802DB is a high-performance, monolithic, 16-bit, stereo analog-to-digital converter (ADC) with integrated sample rate converter. It is designed to provide high-quality audio conversion in a compact form factor, making it suitable for a wide range of applications.

Description:

The PCM1802DB is a member of the Texas Instruments PCM1x00 family of ADCs. It is a single-chip solution that combines a high-performance ADC with a sample rate converter (SRC) to provide a flexible and efficient audio conversion solution. The device is available in a 48-pin TQFP (Thin Quad Flat Package) package.

Features:

1. 16-bit resolution: The PCM1802DB provides 16-bit resolution, ensuring high-quality audio conversion with a dynamic range of up to 96 dB.
2. Stereo operation: The device supports stereo audio input, allowing it to process two audio channels simultaneously.
3. Integrated sample rate converter: The PCM1802DB includes an SRC that can convert input sample rates from 8 kHz to 48 kHz to a fixed output sample rate of 48 kHz. This feature simplifies the design of audio systems by eliminating the need for an external SRC.
4. Multi-rate operation: The device supports multi-rate operation, allowing it to handle different input sample rates without the need for an external SRC.
5. Low power consumption: The PCM1802DB is designed for low power consumption, making it suitable for battery-powered applications.
6. Programmable input gain: The device features a programmable input gain, allowing users to adjust the input signal level to match the requirements of their specific application.
7. Digital audio interface: The PCM1802DB uses a standard I2S or left-justified serial digital audio interface, making it compatible with a wide range of digital audio systems.

Applications:

1. Professional audio equipment: The PCM1802DB is suitable for use in professional audio equipment, such as digital mixers, audio processors, and digital signal processors (DSPs).
2. Consumer electronics: The device can be used in consumer electronics applications, such as home theater systems, soundbars, and high-end audio receivers.
3. Portable audio devices: The PCM1802DB's low power consumption and compact form factor make it suitable for use in portable audio devices, such as digital audio players and Bluetooth headphones.
4. Telecommunications: The device can be used in telecommunications applications, such as voice over IP (VoIP) systems and conference phones.
5. Automotive audio systems: The PCM1802DB can be used in automotive audio systems, providing high-quality audio conversion for in-car entertainment systems.
6. Industrial audio applications: The device can be used in industrial audio applications, such as public address systems and hearing aid devices.

In summary, the Texas Instruments PCM1802DB is a high-performance, 16-bit stereo ADC with an integrated sample rate converter, designed for a wide range of audio applications. Its features, such as multi-rate operation, programmable input gain, and low power consumption, make it a versatile and efficient solution for professional and consumer audio systems.