Product Summary

The ak4537vn is a 16-Bit Stereo CODEC with MIC/HP/SPK-AMP. The ak4537vn 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 ak4537vn is available in a 52-QFN, utilizing less board space than competitive offerings.

Parametrics

ak4537vn absolute maximum ratings: (1)Input Current, Any Pin Except Supplies IIN: ±10 mA; (2)Analog Input Voltage VINA: -0.3 AVDD+0.3 V; (3)Digital Input Voltage VIND: -0.3 DVDD+0.3 V; (4)Ambient Temperature (powered applied) Ta: -10 70 °C; (5)Storage Temperature Tstg: -65 150 °C.

Features

ak4537vn features: (1)Resolution: 16bits; (2)Stereo Mic Input; (3)Stereo Line Input; (4)1stMIC Amplifier: +20dB or 0dB; (5)2nd Amplifier with ALC; (6)+27.5dB ～ -8dB, 0.5dB Step (MIC input); (7)+12dB ～ -23.5dB, 0.5dB Step (LINE input); (8)ADC Performance : S/(N+D): 79dB, DR, S/N: 83dB (MIC input) S/(N+D): 88dB, DR, S/N: 91dB (LINE input).

Diagrams

ak4537vn block diagram