PCM1795DBR

Abbildungen dienen nur als Referenz

PCM1795DBR

+Stückliste

IC DAC/AUDIO 32BIT 200K 28SSOP

  • HerstellerTexas Instruments

  • Herstellerteil #PCM1795DBR

  • Auf Lager7640

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Part Status Active
Type DAC, Audio
Number of Channels 2
Resolution (Bits) 32 b
Sampling Rate (Per Second) 200k
Data Interface DSD, PCM
Voltage Supply Source Analog and Digital
Voltage - Supply 3V ~ 3.6V, 5V
Operating Temperature -25°C ~ 85°C
Mounting Type Surface Mount
Package / Case 28-SSOP (0.209", 5.30mm Width)
Supplier Device Package 28-SSOP
Base Product Number PCM1795

Übersicht

Description

The PCM1795DBR is a high-performance digital-to-analog converter (DAC) from Texas Instruments, designed for high fidelity audio applications. It features a 24-bit resolution and supports various sampling rates up to 192 kHz, making it suitable for high-resolution audio playback.
Key features include a differential current output, which enhances linearity and reduces distortion, and built-in digital filtering options that allow for customization of audio output characteristics. The DAC operates with a low total harmonic distortion (THD+N), ensuring high sound quality.
The PCM1795DBR also includes an integrated voltage reference, simplifying design requirements. It supports I²S, PCM, and other digital audio interfaces, making it versatile for different audio systems.
Common applications include high-end audio equipment, home theater systems, and professional audio gear. Its combination of quality and performance makes it a popular choice among audio engineers and enthusiasts.

Equivalent

The PCM1795DBR chip is a high-performance DAC from Texas Instruments. Equivalent products include the PCM1794A, PCM1796, and AKM AK4490EQ. These alternatives offer similar performance characteristics, including high-resolution audio capabilities, but may differ slightly in specifications and features. Always check datasheets for specific compatibility and performance requirements before making a substitution.

Features

The PCM1795DBR is a high-performance digital-to-analog converter (DAC) from Texas Instruments, designed for high-fidelity audio applications. Key features include:
1. 24-Bit Resolution: Provides high accuracy in audio signal conversion.
2. 192 kHz Sampling Rate: Supports high-resolution audio formats.
3. Dynamic Range: Up to 132 dB, ensuring low distortion and noise.
4. Multiple Output Modes: I2S, Left Justified, and Right Justified formats for flexible interfacing.
5. Integrated Voltage Reference: Reduces external component count and enhances performance.
6. Low Total Harmonic Distortion (THD): Approximately -100 dB for clear sound reproduction.
7. Digital Filtering: Programmable digital filters enhance audio quality.
8. Single Supply Operation: Typically operates with a supply voltage of 5V, simplifying design.
9. Compact Package: Available in a TSSOP-28 package for space-constrained designs.
10. Robust Performance: Designed for various applications, including home audio, professional audio equipment, and more.
These features make the PCM1795DBR suitable for high-end audio systems and digital media applications.

Pinout

The PCM1795DBR is a high-performance digital-to-analog converter (DAC) from Texas Instruments. It features a total of 28 pins.
Key functions of its pins include:
1. Power Supply Pins: VDD (power supply for digital circuits) and AVDD (power supply for analog circuits).
2. Ground Pins: AGND and DGND for analog and digital ground connections.
3. Digital Input Pins: These include pins for I²S, left-justified, and PCM data formats (DATIN, BCK, LRCK).
4. Control Pins: Pins for configuring the device (e.g., REF, MUTE, and various control signals).
5. Analog Output Pins: LOUT and ROUT for left and right audio outputs.
6. Additional Functions: There are pins for connecting to a crystal oscillator (XTI, XTO) and pins for external reference voltage (VREF).
The PCM1795DBR is designed for high-quality audio applications, offering low distortion and high dynamic range.

Manufacturer

The PCM1795DBR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including integrated circuits (ICs), processors, and analog chips used across various applications such as consumer electronics, automotive, industrial, and communications.
Founded in 1930, TI has a long history of innovation and is recognized for its contributions to the fields of analog and digital signal processing. The PCM1795 is a high-performance digital-to-analog converter (DAC) known for its excellent audio quality and is commonly used in high-fidelity audio applications. TI's commitment to research and development enables it to provide advanced solutions that meet the evolving needs of the electronics industry, making it a significant player in the semiconductor market.

Application

The PCM1795DBR is a high-performance audio digital-to-analog converter (DAC) commonly used in various applications, including high-fidelity audio systems, home theater equipment, professional audio gear, and digital music players. Its features make it suitable for applications requiring high dynamic range and low distortion, such as studio recording and playback systems. It is also utilized in consumer electronics like televisions and gaming consoles, enhancing audio quality. Additionally, the PCM1795DBR can be found in wireless audio systems and automotive sound systems, providing superior sound fidelity and processing capabilities.

Package

The PCM1795DBR is packaged in a 28-pin HTQFP (Thin Quad Flat Package) format. This surface-mount package is designed for efficient thermal and electrical performance in audio applications.

Produkte, die mit PCM1795DBR zusammenhängen