AK4954AEN overview
AK4954AEN is a component documented by Asahi Kasei Microsystem. The PDF description identifies it as "32bit Stereo CODEC with MIC/HP/SPK-AMP." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Asahi Kasei Microsystem...
- Part number: AK4954AEN
- Category: IC
- Datasheet length: 26 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- 再生側機能 Digital ALC (Automatic Level Control) 回路内蔵 (Setting Range: +36dB ~ −52.5dB, 0.375dB Step) 3-band ダイナミックレンジコントロール回路 ディジタルボリューム内蔵 (+6dB ~ −65.5dB, 0.5dB Step, Mute) キャップレスステレオヘッドフォンアンプ内蔵 - HP-AMP 特性: S/(N+D): 65dB@20mW, S/N: 100dB - 定格.
- マスタクロック: (1) PLL モード 周波数: 11.2896MHz, 12MHz, 12.288MHz, 13.5MHz, 24MHz, 27MHz (MCKI pin) 32fs or 64fs (BICK pin) (2) 外部クロックモード 周波数: 256fs, 384fs, 512fs or 1024fs (MCKI pin) 5.
- シリアルμP インタフェース: I2C Bus (Ver 1.0, 400kHz Fast-Mode) 9.
- 電源電圧: アナログ電源 (AVDD): 2.5 ~ 3.5V ディジタル電源 (DVDD): 1.6 ~ 1.98V ディジタル I/O 電源 (TVDD): 1.6 or (DVDD-0.2) ~ 3.5V スピーカ電源 (SVDD): 0.9 ~ 5.5V 11.
- パッケージ: 32pin QFN (4 x 4mm, 0.4mm pitch) **Figure 1.
- 0.485 x A VDD @ DVOL=0dB マイクパワー出力電圧 typ 2.3V (2 系統出力) typ.
- 6.2mW (低消費電力モード) Package 36QFN (5 x 5mm, 0.4mm pitch) 32QFN (4 x 4mm, 0.4mm pitch) Note 1.
Engineering review checklist
- Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
- Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
- Validate electrical, thermal, mechanical and environmental behavior in the final application.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the AK4954AEN datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=ak4954aen-asahi-kasei-microsystem