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PCM1754DBQR

24-bit 192kHz stereo audio DAC, 106dB SNR, hardware control, SSOP-16

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Manufacturer Part：

PCM1754DBQR

Package：

SSOP-16 (DBQ) 3.90 x 4.90 mm

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Description

Product Overview

The PCM1754DBQR from Texas Instruments is a 24-bit, 192-kHz stereo audio digital-to-analog converter (DAC) with hardware control. It features 106 dB SNR and dynamic range, 0.002% THD+N, and 4VPP full-scale output from a single 5V supply. Housed in a 16-lead SSOP (DBQ) package, it uses TI’s enhanced multilevel delta-sigma architecture with 4th-order noise shaping and 8-level amplitude quantization.

Key Specifications

Resolution 24-bit
DAC Channels 2 (Stereo)
SNR / Dynamic Range 106 dB (typical)
THD+N 0.002% (typical)
Full-Scale Output 4 VPP (typical)
Sampling Frequency 5 kHz to 200 kHz
System Clock 128/192/256/384/512/768/1152 fS with auto detect
Control Interface Hardware (I2S, 16-bit right-justified)
Supply Voltage 4.5V to 5.5V single supply
Supply Current 16 mA (typical at 44.1 kHz)
Package SSOP-16 (DBQ), 3.90 x 4.90 mm
Operating Temperature -40°C to +85°C

Features

  • 24-bit resolution with enhanced multilevel delta-sigma architecture
  • 106 dB SNR and dynamic range, 0.002% THD+N
  • 4x or 8x oversampling digital filter with -50 dB stop-band attenuation
  • Hardware control with I2S and 16-bit right-justified data formats
  • 44.1 kHz digital de-emphasis and soft mute
  • Zero flag for L- and R-channel common output
  • 5V single supply operation

Applications

  • A/V receivers and home theater systems
  • HDTV receivers and digital audio players
  • Car audio systems
  • USB audio interfaces and DAC modules
  • Professional audio equipment

The PCM1754DBQR is a 24-bit stereo digital-to-analog converter from Texas Instruments based on TI’s enhanced delta-sigma architecture with 4th-order noise shaping and 8-level amplitude quantization. This architecture achieves excellent dynamic performance of 106 dB SNR and improved clock jitter tolerance. The device supports sampling frequencies from 5 kHz to 200 kHz and accepts industry-standard audio data formats including I2S and 16-bit right-justified. Hardware control mode provides simple interface without register programming. The PCM1754 is pin-compatible with the PCM1748, PCM1742, and PCM1741 except for pin 5, enabling easy upgrades in existing designs.

The PCM1754DBQR operates using an enhanced multilevel delta-sigma architecture. The digital input data is first processed by a 4x or 8x oversampling digital interpolation filter that increases the sample rate and attenuates out-of-band quantization noise. The oversampled data then passes to a 4th-order delta-sigma modulator with 8-level amplitude quantization, which shapes quantization noise to higher frequencies. The resulting 1-bit/8-level data stream drives an internal analog low-pass filter that reconstructs the continuous audio waveform. The 24-bit resolution provides theoretical dynamic range exceeding 144 dB, while the enhanced architecture delivers practical 106 dB performance. The device supports multiple system clock frequencies (128fS to 1152fS) with auto-detection for flexible clock design.

Pin Name Type Function
1 VCC Power 5V analog and digital supply
2 DEMP Input De-emphasis control (44.1kHz enable)
3 MUTE Input Soft mute control (active high)
4 FMT Input Data format select (I2S/right-justified)
5 MODE Input Operation mode select
6 SCK Input System clock input
7 BCK Input Bit clock input
8 DATA Input Serial audio data input
9 LRCK Input Left/right clock input
10 GND Ground Ground
11 VOUTR Output Right channel analog output
12 VOUTL Output Left channel analog output
13 ZEROA Output Zero detect flag output (active low)
14 TEST Input Test mode pin (connect to GND)
15 VCOM Output Common-mode voltage output (bypass with cap)
16 VCC Power 5V supply
  • A/V receivers: High-quality stereo DAC for home theater audio processing with 106 dB dynamic range
  • USB audio interfaces: Low-distortion 24-bit audio conversion for professional USB DAC modules
  • Car audio systems: Compact SSOP-16 stereo DAC with single 5V supply for automotive infotainment
  • HDTV receivers: High-performance audio output stage for digital television with 192kHz support
  • Portable audio players: Low-power 16mA supply current with soft mute for battery-operated devices
Manufacturer Part Number Package Notes
TI PCM1753DBQR SSOP-16 Software controlled version, pin-compatible
TI PCM1755DBQR SSOP-16 Software controlled with open-drain zero flag
TI PCM1748DBQR SSOP-16 24-bit predecessor, pin-compatible except pin 5
AKM AK4384ET TSSOP-16 24-bit 192kHz stereo DAC, 114dB SNR
Cirrus CS4351-CZZ TSSOP-24 24-bit 192kHz stereo DAC, 114dB DR
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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5. Local Pickup in Shenzhen

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Professional Packaging Standards

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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