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ALC203
Compact consumer circuit
ALC203
Compact consumer circuit
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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ALC203 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
[realtek]Features l Single chip audio CODEC with high S/N ratio (>90 dB). l 20-bit DAC, 18-bit ADC. l Stereo full-duplex CODEC with independent and variable sampling rate. l 4 analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX l 2 analog line-level mono input : PC_BEEP,PHONE_IN. l Mono output with 5-bit volume control. l Stereo output with 6-bit volume control. l 2 MIC inputs: Software selectable. l Power management and enhanced power saving. l 3D Stereo Enhancement l External Amplifier power down capability. l Multiple CODEC extension. l Compliant with AC’97 2.2 specification l 50mW/8Wamplifier at LINE/ Headphone output l Jack-detect function to mute LINE/MONO/HP output, to control S/PDIF output. l Supports S/PDIF out is compliant with AC’97 rev2.2. l 2 GPIO pins. l 14.318MHz‡24.576MHz digital PLL. l Supports double sampling rate (96KHz) of DVD audio playback. l +30dB boost preamplifier for MIC input. l Power support: Digital: 3.3V Analog: 3.3V/5V l Standard 48-Pin LQFPPackage
Key Features
- l Single chip audio CODEC with high S/N ratio (>90 dB).
- l 20-bit DAC, 18-bit ADC.
- l Stereo full-duplex CODEC with independent and variable sampling rate.
- l 4 analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX
- l 2 analog line-level mono input : PC_BEEP,PHONE_IN.
- l Mono output with 5-bit volume control.
- l Stereo output with 6-bit volume control.
- l 2 MIC inputs: Software selectable.
- l Power management and enhanced power saving.
- l 3D Stereo Enhancement
- l External Amplifier power down capability.
- l Multiple CODEC extension.
- l Compliant with AC’97 2.2 specification
- l 50mW/8Wamplifier at LINE/ Headphone output
- l Jack-detect function to mute LINE/MONO/HP output, to control S/PDIF output.
- l Supports S/PDIF out is compliant with AC’97 rev2.2.
- l 2 GPIO pins.
- l 14.318MHz‡24.576MHz digital PLL.
- l Supports double sampling rate (96KHz) of DVD audio playback.
- l +30dB boost preamplifier for MIC input.
- l Power support: Digital: 3.3V Analog: 3.3V/5V
- l Standard 48-Pin LQFPPackage
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Active |
| Reach Compliance Code | HTS Code ! | 8542.39.00.01 | |
| Consumer IC Type | CONSUMER CIRCUIT | JESD-30 Code | S-PQFP-G48 |
| Number of Terminals | 48 | Operating Temperature-Max | 70 °C |
| Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
| Package Code | QFP | Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE | Package Style | FLATPACK |
| Power Supplies ! | 3.3 V | Qualification Status ! | Not Qualified |
| Surface Mount ! | YES | Temperature Grade ! | COMMERCIAL |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.5 mm |
| Terminal Position | QUAD |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ALC203?
ALC203 is a low-power stereo audio codec (coder-decoder) integrated circuit designed by Realtek. It is commonly used in consumer electronics devices such as laptops, desktop computers, and sound cards to enable audio input and output functionalities.
How Does ALC203 Work?
The ALC203 codec works by converting analog audio signals into digital signals for processing and vice versa. It includes analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) to facilitate audio signal conversion. The codec also features audio mixing and routing capabilities for flexible audio processing.
How Many Pins does ALC203 have and What are the Functions of the Pinout Configuration?
The ALC203 is typically available in a 48-pin QFP (Quad Flat Package) or similar package. The pinout configuration may include:
- Audio Inputs/Outputs: Analog audio input and output pins for connecting to microphones, speakers, and headphone jacks.
- Digital Interfaces: Pins for digital audio interfaces such as I2S (Inter-IC Sound) or AC'97 (Audio Codec '97).
- Control Pins: Pins for controlling codec functions such as volume control, mute, and power management.
- Clock Pins: Pins for connecting external clock sources for synchronization.
What are the Pros and Cons of ALC203?
Pros:
- Low Power Consumption: Operates with low power consumption, suitable for battery-powered devices.
- Integrated Codec Functionality: Combines audio input and output functions in a single chip.
- Cost-Effective: Provides a cost-effective solution for basic audio processing needs.
- Compact Package: Available in compact package sizes for space-constrained designs.
- Compatibility: Compatible with popular operating systems and audio software.
Cons:
- Limitations in Audio Quality: May not offer the highest audio quality compared to high-end audio codecs.
- Limited Features: Some advanced audio processing features may be limited or unavailable in the ALC203.
- External Component Requirements: Additional external components may be needed for specific audio functionalities.
Are There Any Equivalents/Alternatives to ALC203 for Recommendation?
- Alternatives to ALC203 include the Cirrus Logic CS42448 and the Texas Instruments PCM3060.
- Similar products to ALC203 are the Realtek ALC888 and ALC1220 audio codecs.
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