Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
PCM1770PWG4
詳細を表示 DataSheets

PCM1770PWG4

Product Overview

  • Category: Integrated Circuit
  • Use: Audio Codec
  • Characteristics: High-performance, Low-power consumption
  • Package: PW (TSSOP), 20 pins
  • Essence: Digital-to-Analog Converter (DAC) and Analog-to-Digital Converter (ADC)
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Resolution: 16-bit
  • Sampling Rate: Up to 48 kHz
  • Power Supply Voltage: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Total Harmonic Distortion + Noise: 0.01% (typical)

Detailed Pin Configuration

  1. VCC: Power supply voltage
  2. GND: Ground
  3. SDIN: Serial data input
  4. SCLK: Serial clock input
  5. LRCK: Left/right channel select
  6. BICK: Bit clock input
  7. MUTE: Mute control
  8. AGC: Automatic Gain Control
  9. VREF: Reference voltage
  10. VOUTL: Left channel analog output
  11. VOUTR: Right channel analog output
  12. MICBIAS: Microphone bias voltage
  13. MICIN: Microphone input
  14. ADCDAT: Analog-to-digital converter data output
  15. ADCLRC: ADC left/right channel select
  16. DVDD: Digital power supply voltage
  17. AVDD: Analog power supply voltage
  18. TEST: Test pin
  19. NC: No connection
  20. NC: No connection

Functional Features

  • High-quality audio conversion with low distortion
  • Supports both digital-to-analog and analog-to-digital conversion
  • Built-in automatic gain control for microphone input
  • Mute control for audio output
  • Reference voltage for accurate conversion
  • Left/right channel selection for stereo audio

Advantages and Disadvantages

Advantages: - High-performance audio codec - Low-power consumption - Wide operating temperature range - Compact TSSOP package - Supports various audio applications

Disadvantages: - Limited resolution compared to higher-end codecs - No built-in digital signal processing features

Working Principles

The PCM1770PWG4 is an integrated circuit that performs digital-to-analog and analog-to-digital conversion for audio signals. It utilizes a 16-bit resolution to accurately convert digital audio data into analog signals and vice versa. The device operates on a power supply voltage ranging from 2.7V to 5.5V, making it suitable for various portable and consumer electronic devices.

The PCM1770PWG4 incorporates a reference voltage for precise conversion and includes features such as automatic gain control (AGC) for microphone inputs and mute control for audio output. It supports left/right channel selection for stereo audio applications.

Detailed Application Field Plans

The PCM1770PWG4 is widely used in audio-related applications, including but not limited to:

  1. Portable media players
  2. Digital audio recorders
  3. Mobile phones
  4. Gaming consoles
  5. Home theater systems
  6. Automotive audio systems

Its high-performance audio conversion capabilities make it suitable for delivering high-quality sound in these applications.

Detailed and Complete Alternative Models

  1. PCM1771PWG4: Similar to PCM1770PWG4 with additional digital signal processing features.
  2. PCM1789PWG4: Higher-resolution audio codec with 24-bit conversion capability.
  3. PCM1794ADBR: Premium audio codec with advanced digital signal processing and 32-bit resolution.

These alternative models offer different features and specifications to cater to specific application requirements.

Word count: 486 words

技術ソリューションにおける PCM1770PWG4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of PCM1770PWG4 in technical solutions:

  1. Q: What is PCM1770PWG4? A: PCM1770PWG4 is a stereo audio codec (coder-decoder) integrated circuit that can be used in various technical solutions.

  2. Q: What are the key features of PCM1770PWG4? A: Some key features of PCM1770PWG4 include stereo ADC (Analog-to-Digital Converter), DAC (Digital-to-Analog Converter), digital volume control, and support for various audio interfaces.

  3. Q: How can PCM1770PWG4 be used in audio applications? A: PCM1770PWG4 can be used in audio applications such as portable media players, smartphones, tablets, gaming consoles, and other devices that require high-quality audio processing.

  4. Q: Does PCM1770PWG4 support multiple audio formats? A: Yes, PCM1770PWG4 supports various audio formats including PCM, I2S, and TDM (Time Division Multiplexing).

  5. Q: Can PCM1770PWG4 handle both analog and digital audio signals? A: Yes, PCM1770PWG4 has both analog and digital audio interfaces, allowing it to handle both types of signals.

  6. Q: Is PCM1770PWG4 suitable for low-power applications? A: Yes, PCM1770PWG4 is designed to operate at low power, making it suitable for battery-powered devices.

  7. Q: Does PCM1770PWG4 have built-in audio processing capabilities? A: PCM1770PWG4 does not have advanced audio processing features but provides basic functions like volume control and filtering.

  8. Q: Can PCM1770PWG4 be used in automotive audio systems? A: Yes, PCM1770PWG4 is suitable for automotive audio applications due to its robust design and support for wide temperature ranges.

  9. Q: Does PCM1770PWG4 support external control interfaces? A: Yes, PCM1770PWG4 supports control interfaces such as I2C (Inter-Integrated Circuit) and SPI (Serial Peripheral Interface) for easy integration into larger systems.

  10. Q: Are evaluation boards available for PCM1770PWG4? A: Yes, evaluation boards are available for PCM1770PWG4, which can help developers quickly prototype and test their audio solutions.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.