sales@hkmjd.com
Service Telephone:86-755-83294757
Trade Name:Audio DAC
Brand:TI
Particular Year:21+
Package:TQFP-48
Delivery Date:New and Original
Stock: 2500pcs
The PCM4104PFBT is a high-performance, four-channel digital-to-analogue (D/A) converter designed specifically for professional audio applications. The PCM4104PFBT supports 16 to 24-bit linear PCM input data with a maximum sampling rate of 216 kHz. The PCM4104PFBT consumes less power than most comparable stereo audio D/A converters, making it an ideal choice for high-channel-count applications, as it reduces the overall power budget required for the D/A conversion subsystem.
The PCM4104PFBT employs a delta-sigma architecture, combining a high-performance multi-stage modulator with a switched-capacitor output filter. This architecture achieves lower out-of-band noise and high tolerance to system clock phase jitter. Each channel provides differential voltage outputs, suitable for high-performance audio applications. The differential outputs can be easily converted to single-ended outputs using external operational amplifier ICs.
The PCM4104PFBT includes a flexible audio serial port interface supporting standard and time-division multiplexing (TDM) formats. Support for TDM formats simplifies interfacing with DSP serial ports and enables cascading connections between two PCM4104PFBT devices. Additionally, the PCM4104PFBT offers two configuration modes: standalone mode and software-controlled mode. Stand-alone mode provides dedicated control pins to configure a subset of the PCM4104PFBT's available features, while software mode accesses internal control registers via the serial peripheral interface (SPI) port to access the full feature set.
The PCM4104PFBT is powered by a +5V analogue power supply and a +3.3V digital power supply. Digital I/O is compatible with the +3.3V logic family. The PCM4104PFBT is available in a TQFP-48 package.
PCM4104PFBT Features and Specifications
Four high-performance, multi-stage Delta-Sigma analogue-to-digital converters
Differential voltage output
Full-scale output (differential): 6.15VPP
Supports sampling frequencies up to 216kHz
Typical dynamic performance (24-bit data)
Dynamic range (A-weighted): 118dB
Total harmonic distortion plus noise (THD+N): –100dB
Linear phase, 8x oversampling digital interpolation filter
Digital de-emphasis filter for 32kHz, 44.1kHz, and 48kHz sampling rates
Soft mute function
Full-channel mute via mute input pin
Channel-by-channel mute supported in software mode
Digital attenuation (software mode only)
Attenuation range: 0dB to –119.5dB
256 steps, 0.5dB per step
Output phase inversion (software mode only)
Zero data mute (software mode only)
Audio serial port
Supports left-aligned, right-aligned, I2S, and TDM data formats
Accepts 16-bit, 18-bit, 20-bit, and 24-bit two's complement PCM audio data
Independent mode and software-controlled configuration mode
Four-wire serial peripheral interface (SPI™) port provides access to control registers in software mode
Power supply: +5V analogue, +3.3V digital
Power consumption
Typical value 203mW, sampling rate fS=48kHz
Typical value 220mW, sampling rate fS=96kHz
Typical value 236mW, sampling rate fS=192kHz
Standby mode
Small 48-pin TQFP package
PCM4104PFBT Product Applications
Digital mixing consoles
Digital audio workstations
Digital audio effects processors
Broadcast studio equipment
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Texas Instruments (TI), abbreviated as TI, is the worlds leading semiconductor company providing innovative digital signal processing (DSP) and analog device technologies for real-world signal processing. In addition to the semiconductor business, it …
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