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AK4961

AKM
Part Number AK4961
Manufacturer AKM
Description Low-Power CODEC
Published Jul 13, 2016
Detailed Description [AK4961] AK4961 Low-Power CODEC with Audio/Voice DSP 1. General Description The AK4961 is four channels 24-bit ADC, ster...
Datasheet PDF File AK4961 PDF File

AK4961
AK4961

Overview
[AK4961] AK4961 Low-Power CODEC with Audio/Voice DSP 1.
General Description The AK4961 is four channels 24-bit ADC, stereo advanced 32-bit high sound quality audio DAC and stereo 24-bit DAC with a built-in microphone amplifier, mono receiver amplifier, ground-referenced headphone amplifier, lineout, and a high feature Audio/Voice DSP.
The AK4961 features AKM’s DSP core that enables various kinds of voice processing such as voice wakeup, dual mic Tx noise suppression, Rx noise suppression, echo cancellation, and hands free functions.
The AK4961 has five audio I/F and SLIMbus I/F to communicate with an Application processor, up to two Baseband processors, a Bluetooth module and a digital input class-D amplifier simultaneously, and mixes asynchronous signal with built-in SRCs.
2.
Features 1.
Recording Function  4ch Low Power 24-bit ADC - 3-types Digital Filter for Sound Color Selection  3 Stereo Input Selectors  3 Stereo Inputs (Single-ended) or 6 Mono Inputs (Full-differential)  MIC-Amp Gain: +30dB ~ 0dB, 3dB step  4 MIC Power Supplies: 2.
8 / 2.
5 / 1.
8V Selectable  ADC Characteristics: - Single-ended Mode S/(N+D): 88dB, DR, S/N: 95dB (MIC-Amp=+18dB) S/(N+D): 84dB, DR, S/N: 100dB (MIC-Amp=+6dB) - Full-Differential Mode: S/(N+D): 90dB, DR, S/N: 95dB (MIC-Amp=+18dB) S/(N+D): 90dB, DR, S/N: 102dB (MIC-Amp=0dB)  4-Channel Digital MIC Interface 2.
Playback Function  Stereo High Sound Quality Low Power Advanced 32-bit DAC for Headphone - 4 types of Digital Filter for Sound Color Selection  Low Power 24-bit Stereo DAC for LINEOUT/ Receiver / External Speaker Amp  Ground-referenced Class-G Stereo Headphone-Amp - Output Power: 25mW @ 32, 40mW @ 16, THD+N = 0.
1% - S/(N+D): 99dB - S/N: 110dB - Output Noise Level: 119dBV (Analog Volume  -14dB) - Analog Volume: +6 ~ 40dB & Mute, 2dB Step - Ground Loop Noise Cancellation  Ground-referenced Stereo Line Outputs - S/(N+D): 86dB, DR, S/N: 100dB - Analog Volume: +3 ~ 7.
5B, 1.
5dB Step  Mono Receiver-Amp - BTL Output - Ou...


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