PCM1755DBQR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-performance, low-power consumption
• Package: SSOP-16
• Essence: Converts digital audio signals into analog audio signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.002%
• Signal-to-Noise Ratio (SNR): >100 dB
• Power Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1755DBQR has a total of 16 pins arranged as follows:

1. VCOM: Common voltage reference for the DAC
2. AVDD: Analog power supply voltage
3. AGND: Analog ground
4. DVDD: Digital power supply voltage
5. DGND: Digital ground
6. SDIN: Serial data input
7. SCLK: Serial clock input
8. LRCK: Left/right channel select input
9. MUTE: Mute control input
10. BICK: Bit clock input
11. SDO: Serial data output
12. VOUTL: Analog left channel output
13. VOUTR: Analog right channel output
14. VREF: Reference voltage output
15. VCOM: Common voltage reference for the DAC
16. NC: No connection

Functional Features

• High-resolution audio conversion with up to 24-bit resolution
• Supports sampling rates up to 192 kHz for accurate reproduction of high-frequency content
• Low total harmonic distortion and noise for clear and faithful audio reproduction
• Wide power supply voltage range allows for flexibility in system design
• Integrated mute control for convenient audio playback control

Advantages and Disadvantages

Advantages: - High-performance audio conversion - Low-power consumption - Wide operating temperature range - Small package size for space-constrained applications

Disadvantages: - Limited pin configuration options - Requires external components for complete audio playback system

Working Principles

The PCM1755DBQR is a digital-to-analog converter that operates by converting digital audio signals into analog audio signals. It utilizes high-resolution conversion techniques to accurately reproduce the original audio content. The device receives digital audio data through the serial data input (SDIN) pin and converts it into analog signals at the left and right channel outputs (VOUTL and VOUTR). The reference voltage output (VREF) provides a stable voltage reference for the DAC operation.

Detailed Application Field Plans

The PCM1755DBQR is commonly used in various audio-related applications, including:

1. Audio equipment: Hi-Fi systems, audio receivers, amplifiers
2. Professional audio: Studio monitors, mixing consoles, audio interfaces
3. Portable audio: Digital audio players, smartphones, tablets
4. Automotive audio: Car stereos, infotainment systems
5. Multimedia devices: TVs, gaming consoles, multimedia speakers

Detailed and Complete Alternative Models

1. PCM1794A: Higher-resolution DAC with 32-bit capability
2. PCM5102A: Low-power DAC with integrated headphone amplifier
3. CS4398: High-performance DAC with balanced outputs
4. AK4490EQ: Premium DAC with advanced digital filtering algorithms
5. MAX98357A: DAC with integrated Class D amplifier for compact audio solutions

(Note: This list is not exhaustive and there are many other alternative models available in the market.)

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