Features: 1. Resolution : 16bits 2. Recording Function` 1ch Mono Input` 2-Input Selector(Internal MIC, External MIC)` 1stMIC Amplifier : +20dB or 0dB` 2ndAmplifier with ALC : -8dB ~ +27.5dB, 0.5dB Step, Mute` ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB 3. Playback Function` Digital De-emphasi...
AK4538: Features: 1. Resolution : 16bits 2. Recording Function` 1ch Mono Input` 2-Input Selector(Internal MIC, External MIC)` 1stMIC Amplifier : +20dB or 0dB` 2ndAmplifier with ALC : -8dB ~ +27.5dB, 0.5dB S...
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Parameter | Symbol | min | max | Units | |
Power Supplies: | Analog Digital PLL Headphone-Amp / Speaker-Amp |AVSS PVSS| (Note 2) |AVSS DVSS| (Note 2) |AVSS HVSS| (Note 2) |
AVDD DVDD PVDD HVDD DGND1 DGND2 DGND3 |
-0.3 -0.3 -0.3 -0.3 - - - |
4.6 4.6 4.6 4.6 0.3 0.3 0.3 |
V V V V V V V |
Input Current, Any Pin Except Supplies | IIN | - | ±10 | mA | |
Analog Input Voltage | VINA | -0.3 | AVDD+0.3 | V | |
Digital Input Voltage | VIND | -0.3 | DVDD+0.3 | V | |
Ambient Temperature (powered applied) | Ta | -10 | 70 | °C | |
Storage Temperature | Tstg | -65 | 150 | °C |
The AK4538 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 AK4538 is available in a 52-QFN, utilizing less board space than competitive offerings.