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PDF AK4961 Data sheet ( Hoja de datos )
| Número de pieza | AK4961 | |
| Descripción | Low-Power CODEC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[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
- Output Power: 100mW @ 32, THD+N = 1%
- S/(N+D): 87dB @ 32, Po=30mW
- S/N: 100dB @ Po = 30mW
- Analog Volume: + 3 ~ 7.5dB, 1.5dB Step
014002483-E-00-PB
-1-
2014/06
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet AK4961.PDF ] | |
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