Overview
The PCM4104PFBR is a high-performance, four-channel digital-to-analog (D/A) converter produced by Texas Instruments. It is designed for professional audio applications, offering high-resolution audio performance with 24-bit resolution and support for sampling frequencies up to 216 kHz. The chip operates from a +5V analog power supply and a +3.3V digital power supply, ensuring compatibility with +3.3V logic families. Packaged in a TQFP-48 form factor, it is ideal for applications requiring low distortion and high dynamic range.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Number of Converters | 4 |
| Resolution | 24 bit |
| Interface Type | SPI |
| SNR - Signal to Noise Ratio | 118 dB |
| Number of DAC Outputs | 4 |
| Operating Supply Voltage | 5 V (Analog), 3.3 V (Digital) |
| Minimum Operating Temperature | -10°C |
| Maximum Operating Temperature | +70°C |
| Mounting Style | SMD/SMT |
| Architecture | Delta-Sigma |
| Sampling Rate (max) | 216 kS/s |
| THD plus Noise | 0.001 % |
| Dynamic Range (A-Weighted) | 118 dB |
Key Features
- Four high-performance, multi-level, delta-sigma digital-to-analog converters
- Differential voltage output with full-scale output of 6.15V (differential)
- Supports sampling frequencies up to 216 kHz
- Integrated digital interpolation filter with 8x oversampling
- Digital de-emphasis filters for 32 kHz, 44.1 kHz, and 48 kHz sampling rates
- Soft mute function and all-channel mute via the MUTE input pin
- Per-channel mute available in software mode
- Digital attenuation (software mode only) with a range of 0 dB to 119.5 dB in 0.5 dB steps
- Output phase inversion (software mode only)
- Zero data mute (software mode only)
- Audio serial port supporting left-justified, right-justified, I²S, and TDM data formats
- Four-wire serial peripheral interface (SPI) port for control register access in software mode
Applications
- Digital mixing consoles
- Digital audio workstations
- Digital audio effects processors
- Broadcast studio equipment
- Surround-sound processors
- High-end A/V receivers
- Professional audio equipment such as mixers, amplifiers, and audio interfaces
- Recording studios, live sound reinforcement, and automotive audio systems
Q & A
- What is the resolution of the PCM4104PFBR?
The PCM4104PFBR has a resolution of 24 bits. - What is the maximum sampling frequency supported by the PCM4104PFBR?
The PCM4104PFBR supports sampling frequencies up to 216 kHz. - What type of power supplies does the PCM4104PFBR require?
The PCM4104PFBR operates from a +5V analog power supply and a +3.3V digital power supply. - What is the signal-to-noise ratio (SNR) of the PCM4104PFBR?
The SNR of the PCM4104PFBR is 118 dB. - What are the key features of the PCM4104PFBR's audio serial port?
The audio serial port supports left-justified, right-justified, I²S, and TDM data formats and accepts 16-, 18-, 20-, and 24-bit twos complement PCM audio data. - Does the PCM4104PFBR support software-controlled configuration?
Yes, the PCM4104PFBR supports both standalone and software-controlled configuration modes via a four-wire SPI port. - What are some common applications of the PCM4104PFBR?
The PCM4104PFBR is commonly used in digital mixing consoles, digital audio workstations, broadcast studio equipment, and high-end A/V receivers. - How many channels of audio output does the PCM4104PFBR provide?
The PCM4104PFBR provides four channels of audio output. - What is the package type of the PCM4104PFBR?
The PCM4104PFBR is packaged in a TQFP-48 form factor. - Does the PCM4104PFBR have power-down modes?
Yes, the PCM4104PFBR has power-down modes to reduce power consumption when not in use.
