AK4430ET

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AK4430ET

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IC DAC/AUDIO 24BIT 192K 16TSSOP

  • メーカーサイプレス・セミコンダクター社

  • メーカー品番 #AK4430ET

  • データシート AK4430ET DataSheet

  • パッケージ TSSOP-16

  • 在庫状況5199

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仕様

属性 値
Supplier Asahi Kasei Microdevices/AKM
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Obsolete
Type DAC, Audio
Number of Channels 2
Resolution(Bits) 24 b
Sampling Rate(Per Second) 192k
Data Interface I²S
Voltage Supply Source Single Supply
Voltage - Supply 3V ~ 3.6V
Operating Temperature -20°C ~ 85°C
Mounting Type Surface Mount

概要

Description

AK4430ET is a stereo digital-to-analog converter (DAC) IC from Asahi Kasei Microdevices (AKM). It uses a 24‑bit delta‑sigma architecture to convert PCM digital data into two analog audio channels. Typically, it accepts PCM data over I2S (and related formats) and provides differential current outputs that require an external I/V stage and reconstruction filter to produce voltages. It’s intended for high‑fidelity audio applications such as DAC boards, CD/Hi‑Fi players, and audio interfaces. The “ET” suffix usually designates a specific variant, package option, or evaluation/testing version rather than a different core technology. For exact electrical specs (pinout, supply voltages, max sampling rate, power consumption), refer to the AK4430ET datasheet. If you share the document or a link, I can extract a precise, up‑to‑date summary.

Features

Here are typical features of AK4430ET (AKM DAC family):
- 24-bit stereo PCM DAC
- Supports up to 192 kHz sampling rate
- Digital input formats: I2S, Left-Justified (PCM)
- Differential current-output DAC; external I/V and LPF required
- Internal digital filter with selectable responses
- High dynamic range: typical SNR around 110–120 dB; low THD+N
- Low jitter and low distortion
- Digital mute and soft-start
- Programmable digital gain/volume control
- Power-down/standby mode
- Wide supply range per datasheet; available in ET package variant
Note: exact specs can vary by revision and package; please refer to the official datasheet for precise numbers.

Pinout

- Pin count: 28 pins (varies by package, e.g., LQFP/SSOP).
- Function: AK4430ET is a stereo 24-bit digital-to-analog converter (DAC); accepts digital audio via I2S/PCM, outputs differential current signals (requires external I/V stage and reconstruction filter). Supports up to high sampling rates (e.g., 192 kHz).

Manufacturer

- Manufacturer: Asahi Kasei Microdevices Corporation (AKM).
- Company type: A Japanese semiconductor company (subsidiary of the Asahi Kasei Group) that designs and manufactures analog and mixed-signal ICs, including audio DACs/ADCs, amplifiers, and related devices for consumer, automotive, and industrial markets.

Application

AK4430ET is a stereo 24-bit digital-to-analog converter (DAC) from AKM. Common application areas include:
- CD/DVD/Blu-ray players and other high‑fidelity audio devices
- AV receivers and DAC modules
- Computer audio interfaces and external sound cards
- Portable music players and digital recorders
- Automotive infotainment and car audio systems
- Professional audio gear (digital mixers, field recorders, keyboards) requiring quality DACs

Package

Package: 28‑pin LQFP (plastic quad‑flat package). The AK4430 data sheet lists an LQFP‑28 variant for this device.

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