Texas Instruments PCM1748 Data Sheet/Manual
Summary
This integrated circuit is a premium 24-Bit Digital-to-Analog Converter (DAC) engineered for superior audio fidelity. The accompanying documentation provides detailed technical specifications, coverage, and applications needed to integrate this advanced component into high-end consumer and professional equipment. It is primarily designed for use in markets such as HDTV receivers, DVD players, multichannel audio systems, and specialized car audio units requiring high resolution and up to 96kHz sampling rates.
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PCM1748
PCM1748
SBAS165A – MAY 2001
24-Bit, 96k Hz Sampling
Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
FEATURES APPLICATIONS 24-BIT RESOLUTION A/V RECEIVERS ANALOG PERFORMANCE (VCC = +5V): DVD MOVIE PLAYERS Dynamic Range: 106d B typ (PCM1748KE) DVD ADD-ON CARDS FOR HIGH-END PCs
100d B typ (PCM1748E)
HDTV RECEIVERS
SNR: 106d B typ (PCM1748KE)
CAR AUDIO SYSTEMS
100d B typ (PCM1748E)
OTHER MULTICHANNEL AUDIO SYSTEMS
THD+N: 0.002% typ (PCM1748KE)
0.003% typ (PCM1748E)
Full-Scale Output: 3.1Vp-p typ DESCRIPTION 8x OVERSAMPLING DIGITAL FILTER:
The PCM1748 is a CMOS, monolithic, integrated circuit which
Stopband Attenuation: –55d B
includes stereo Digital-to-Analog Converters (DACs) and support
Passband Ripple: ±0.03d B circuitry in a small SSOP-16 package. The data converters utilize
Texas Instrument’s enhanced multilevel delta-sigma architecture
SAMPLING FREQUENCY: 5k Hz to 100k Hz
that employs fourth-order noise shaping and 8-level amplitude
SYSTEM CLOCK: 256, 384, 512, 768f S with
quantization to achieve excellent dynamic performance and im-
Auto Detect
proved tolerance to clock jitter. The PCM1748 accepts industry
ACCEPTS 16-, 18-, 20-, AND 24-BIT AUDIO standard audio data formats with 16- to 24-bit data, providing easy DATAzx interfacing to audio DSP and decoder chips. Sampling rates up to
100k Hz are supported. A full set of user-programmable functions
DATA FORMATS: Standard, I2S, and
are accessible through a 3-wire serial control port that supports
Left-Justified
register write functions.
USER-PROGRAMMABLE MODE CONTROLS: Digital Attenuation: 0d B to –63d B, 0.5d B/Step Digital De-Emphasis Digital Filter Roll-Off: Sharp or Slow Soft Mute Zero Flags for Each Output DUAL-SUPPLY OPERATION: +5V Analog, +3.3V Digital 5V TOLERANT DIGITAL INPUTS SMALL SSOP-16 PACKAGE SAME PACKAGE SIZE AS SOP-8
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Copyright © 2000, Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
www.ti.com
Page Summary Contents For Texas Instruments PCM1748 Data Sheet/Manual
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 22 |
| File Size | 317.42 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What bit depths of audio data does the PCM1748 support?
It accepts standard audio data formats ranging from 16-bit up to 24-bit.
What power supplies are required for operation?
The module operates using a dual-supply system: +5V for Analog and +3.3V for Digital.
What is the maximum supported sampling frequency?
Sampling rates of up to 100kHz are supported by this device.
Are there specific handling requirements?
Be aware that the integrated circuit can be damaged by ESD, so proper anti-static precautions are essential.