WM8994ECS/R

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WM8994ECS/R

IC CODEC AUD HUB MULTI-CH 72WCSP

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仕様

Part Status Active
Type Stereo Audio
Data Interface I2S, PCM
Resolution (Bits) 24 b
Number of ADCs / DACs 2 / 4
Sigma Delta Yes
S/N Ratio, ADCs / DACs (db) Typ 95 / 100
Voltage - Supply, Analog 1.71V ~ 2V
Voltage - Supply, Digital 1.62V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 72-UFBGA, WLCSP
Supplier Device Package 72-WCSP (4.52x4.03)
Base Product Number WM8994

概要

Description

The WM8994ECS/R is Cirrus Logic Wolfson’s WM8994 stereo CODEC in a specific ECS/R package. It integrates two 24-bit ADCs and DACs, a built-in headphone amplifier, microphone bias, and line-in/line-out paths. It provides a flexible digital audio interface (I2S, left-justified, right-justified) and is controllable over I2C. It supports up to 192 kHz sample rates with programmable gain, mute/soft-mute, and digital volume control, making it suitable for portable/embedded audio devices. The ECS/R suffix denotes a package variant; refer to the datasheet for exact electrical specs, pinout, and operating conditions.

Features

Here are the core features of WM8994ECS/R (Wolfson):
- 24-bit stereo ADC and DAC
- Integrated headphone driver
- Analog inputs: microphone bias and line-in; outputs: line-out and headphone
- Flexible digital audio interface: supports I2S (and common PCM formats), left-justified/right-justified
- Digital processing features: programmable digital volume control, mute, and de-pop
- On-chip clocking: supports external master clock with PLL for clock generation
- Low-power operation with various power-down/standby modes
- Compact ECS/R packaging variant suitable for portable applications
Note: For exact electrical specs (voltage ranges, max clock speeds, SNR/DNR, noise performance, and timing), please consult the WM8994ECS/R datasheet.

Package

The WM8994ECS/R comes in a 28-pin QFN package (4×4 mm) with an exposed pad; “R” indicates reel (tape-and-reel) packaging.

Pinout

- Pin count: 28 pins
- Function: WM8994ECS/R is a stereo audio CODEC with integrated ADC/DAC and headphone driver, including mic/line inputs and line outputs, plus a digital audio interface (I2S/PCM) to connect to a host controller.

Manufacturer

Manufacturer: Wolfson Microelectronics.
What kind of company: A UK-based fabless semiconductor company that designs and licenses high‑performance analog/mixed‑signal ICs for audio (e.g., CODECs, DACs, ADCs). It is now part of Cirrus Logic.

Application

- Mobile/portable devices (smartphones, tablets, handheld audio players)
- Consumer multimedia gear (digital cameras, camcorders, portable speakers)
- Voice/communication equipment (VoIP phones, conference speakerphones, headsets)
- USB/Bluetooth audio interfaces and adapters
- Embedded audio in docking stations and other consumer electronics

Equivalent

Direct equivalents don’t exist; WM8994ECS/R is a Wolfson/Cirrus stereo codec. Closest alternatives:
- Wolfson/Cirrus: WM8960, WM8731
- TI: TLV320AIC3204, TLV320AIC3254, SGTL5000 (stereo DAC/ADC with headphone driver)
When selecting, compare 24-bit DAC/ADC specs, I2S interface, headphone amp, supply voltage, and package.

出荷

出荷方法私たち

DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。


出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

支払い

Payment Methods

支払い期間は100％前払いです。

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1. ペイパル

2. クレジット・デビットカード

3. ワイヤー 転送

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