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ASAHI KASEI
[AK4537]
AK4537
16-Bit ∆Σ Stereo CODEC with MIC/HP/SPK-AMP
GENERAL DESCRIPTION
The AK4537 targeted at PDA and other low-power, small size applications. It features a 16-bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4537 is available in a 52-QFN, utilizing less board space than competitive offerings.
FEATURES
1. Resolution : 16bits 2. Recording Function
• Stereo Mic Input • Stereo Line Input • 1st MIC Amplifier : +20dB or 0dB • 2nd Amplifier with ALC
-8dB ∼ +27.5dB, 0.5dB Step (MIC input) -23.5dB ∼ +12dB, 0.