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PCM1808PW
+Lista de MateriaisIC ADC/AUDIO 24BIT 96K 14TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #PCM1808PW
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Pacote TSSOP-14
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Em Estoque6670
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Especificações
| Atributo | Valor |
| Package / Case | Tray |
| Part Status | Active |
| Type | ADC, Audio |
| Number of Channels | 2 |
| Resolution(Bits) | 24 b |
| Sampling Rate(Per Second) | 96k |
| Data Interface | Serial |
| Voltage Supply Source | Analog and Digital |
| Voltage - Supply | 2.7V ~ 3.6V, 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
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
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 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
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.