Specifications
| Attribute | Value |
| Package | Tray |
| ProductStatus | Active |
| Type | ADC, Audio |
| NumberofChannels | 2 |
| Resolution(Bits) | 24 b |
| SamplingRate(PerSecond) | 96k |
| DataInterface | Serial |
| VoltageSupplySource | Analog and Digital |
| Voltage-Supply | 2.7V ~ 3.6V, 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) |
Overview
Description
The PCM1808PW is a high-performance, stereo analog-to-digital converter (ADC) from Texas Instruments. It is designed for audio applications, offering a cost-effective solution for converting analog audio signals into digital data. The device supports a wide range of sampling frequencies, typically up to 96 kHz, with a 24-bit resolution, providing high-quality audio conversion.
Key features include a single-ended input, built-in anti-aliasing filter, and a delta-sigma modulator, which ensures low noise and distortion levels. The PCM1808PW operates with a supply voltage ranging from 3.0V to 3.6V and consumes minimal power, making it suitable for portable audio devices.
The device interfaces with digital systems using an I2S, LJ, or RJ format, making it versatile for various applications. It also offers a high signal-to-noise ratio (SNR) and low total harmonic distortion (THD), ensuring excellent audio fidelity. The PCM1808PW is commonly used in consumer electronics, such as TVs, home theater systems, and audio equipment, where high-quality audio conversion is essential.
Key features include a single-ended input, built-in anti-aliasing filter, and a delta-sigma modulator, which ensures low noise and distortion levels. The PCM1808PW operates with a supply voltage ranging from 3.0V to 3.6V and consumes minimal power, making it suitable for portable audio devices.
The device interfaces with digital systems using an I2S, LJ, or RJ format, making it versatile for various applications. It also offers a high signal-to-noise ratio (SNR) and low total harmonic distortion (THD), ensuring excellent audio fidelity. The PCM1808PW is commonly used in consumer electronics, such as TVs, home theater systems, and audio equipment, where high-quality audio conversion is essential.
Equivalent
The PCM1808PW is a stereo analog-to-digital converter (ADC) from Texas Instruments. Equivalent products include:
1. AKM AK4552
2. Cirrus Logic CS5343
3. Wolfson Microelectronics WM8782
These chips offer similar functionality with varying specifications, so it's important to compare parameters like signal-to-noise ratio, input voltage range, and supported sampling rates to ensure compatibility for specific applications.
1. AKM AK4552
2. Cirrus Logic CS5343
3. Wolfson Microelectronics WM8782
These chips offer similar functionality with varying specifications, so it's important to compare parameters like signal-to-noise ratio, input voltage range, and supported sampling rates to ensure compatibility for specific applications.
Features
The PCM1808PW is a high-performance, single-chip analog-to-digital converter (ADC) from Texas Instruments. It features a 24-bit resolution and supports stereo audio conversion, making it suitable for various audio applications. The device operates with a sampling frequency range of 16 kHz to 96 kHz and has a dynamic range of 99 dB, ensuring high-quality audio conversion.
The PCM1808PW utilizes a delta-sigma modulation technique, which provides high accuracy and low noise. It operates on a digital power supply of 3.3V and an analog power supply of 5V. The device is designed for low power consumption, which is crucial for portable and power-sensitive applications.
Additionally, the PCM1808PW offers an integrated high-pass filter to remove DC components from the input signal, and it features a programmable gain amplifier for input signal optimization. It comes in a small TSSOP-14 package, making it suitable for compact designs. Its robust performance and versatility make it ideal for consumer and professional audio equipment.
The PCM1808PW utilizes a delta-sigma modulation technique, which provides high accuracy and low noise. It operates on a digital power supply of 3.3V and an analog power supply of 5V. The device is designed for low power consumption, which is crucial for portable and power-sensitive applications.
Additionally, the PCM1808PW offers an integrated high-pass filter to remove DC components from the input signal, and it features a programmable gain amplifier for input signal optimization. It comes in a small TSSOP-14 package, making it suitable for compact designs. Its robust performance and versatility make it ideal for consumer and professional audio equipment.
Pinout
The PCM1808PW is a stereo analog-to-digital converter (ADC) from Texas Instruments, typically housed in a TSSOP-16 package, which means it has 16 pins.
Key functions of the PCM1808PW include:
1. Analog Inputs (Pins 1 and 2): Used for differential or single-ended audio input signals.
2. Voltage Supply (Pins 3 and 6): Provides power to the ADC.
3. Reference (Pin 4): Used for internal reference voltage decoupling.
4. Control Inputs (Pins 5, 7, and 11): Includes pins for system clock input, reset control, and power-down functions.
5. Digital Audio Interface (Pins 8, 9, and 10): These pins output the serial audio data, bit clock, and left-right clock.
6. Ground (Pins 12 and 13): Provides grounding for the device.
7. Mode Selection (Pin 14): Used to select the audio data interface format.
8. Serial Data Out (Pin 15): Outputs the digital audio data.
9. System Clock (Pin 16): Accepts the system clock input necessary for ADC operation.
The PCM1808PW is designed for high-quality audio data conversion in consumer electronics, offering features such as low power consumption and high precision.
Key functions of the PCM1808PW include:
1. Analog Inputs (Pins 1 and 2): Used for differential or single-ended audio input signals.
2. Voltage Supply (Pins 3 and 6): Provides power to the ADC.
3. Reference (Pin 4): Used for internal reference voltage decoupling.
4. Control Inputs (Pins 5, 7, and 11): Includes pins for system clock input, reset control, and power-down functions.
5. Digital Audio Interface (Pins 8, 9, and 10): These pins output the serial audio data, bit clock, and left-right clock.
6. Ground (Pins 12 and 13): Provides grounding for the device.
7. Mode Selection (Pin 14): Used to select the audio data interface format.
8. Serial Data Out (Pin 15): Outputs the digital audio data.
9. System Clock (Pin 16): Accepts the system clock input necessary for ADC operation.
The PCM1808PW is designed for high-quality audio data conversion in consumer electronics, offering features such as low power consumption and high precision.
Manufacturer
The PCM1808PW is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, known for its broad range of products and solutions in the electronics industry. TI's offerings include analog chips, embedded processors, and digital signal processors, among other components, serving sectors such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is recognized for its innovation and contributions to advancing electronic technologies.
Application
The PCM1808PW is a high-performance, low-power stereo analog-to-digital converter (ADC) commonly used in various audio applications. Its application areas include consumer electronics like TVs, DVD players, and home theater systems, where it helps convert analog audio signals to digital form. It's also utilized in automotive audio systems, providing clear and precise audio conversion. Additionally, the PCM1808PW is found in professional audio equipment, such as mixers and recorders, due to its low noise and high fidelity. Portable audio devices and sound cards also benefit from its compact design and efficient performance. Overall, it is valued for its high quality and reliability in digital audio processing.
Package
The PCM1808PW is an IC with a TSSOP (Thin Shrink Small Outline Package) package type. It features 16 pins and is designed for use in audio applications as an analog-to-digital converter.
