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AK4674
Stereo CODEC with hands free/MIC-Amp/RCV/HP/Amp
Features
- Hi performance Stereo Audio Codec
- A range of Analog Signal I/O and Routing
- 4 Stereo inputs(Single-ended)or 2 Stereo Inputs(Full-differential)
- MIC Amplifier: +30dB~-12dB in 3dB step
- Stereo Line Output
- Stereo/Mono Reciever-Amp(BTL Output:30mW into 32Ω)
- Stereo Headphone Amp (30mW into 16Ω)
- Digital Sound Processing
- Digital Volume (+12dBï½z-115.0dB, 0.5dB Step, Mute)
- Digital Sound Effector
*Digital ALC(Automatic Level Control):+36dB~-54dB, 0.375dB Step,Mute
*Stereo Separation Emphasis; 5-band EQ; High-pass/Low-pass Filter
- Digital Audio Interface Format
- 16bit MSB justified, 16bit LSB justified, 16-24bit I2S, DSP Mode
- Dual PCM I/F for Baseband & Bluetooth Interface
(Sample Rate:8KHz, 16bit linear,8bit A/ -law, SF/LF/I2S MSB Justified)
- Built-in Sample Rate Converter
- Up sample; up to x6
- Down sample: down to x1/6
- Hands Free Functions
- Very Low IDD (200A @BCLK=512KHz)
- Hands free talking processor by VOSW base architecture with threchold level converter
- Talking to route and mix audio pass
- Independent operation to audio Codec
- 10bit SAR ADC
- Function Control
- SPI or I2C I/F (Hands-free portion; Supporting by only SPI)
- Master Clock
- PLL Mode:11.2896MHz,12MHz,12.288MHz,13MHz,13.5MHz,19.2MHz,24MHz, 26MHz,27MHz(MICK)
1fs(LRCK) / 32fs, 64fs(BICK)
- External Clock Mode: 256fs,384fs,512fs,768fs or 1024fs(MCKI)
- Master Clock Output: 32fs,64fs,128fs,256fs
- Power Supply
- AVDD,PVDD,SAVDD : 2.7V~3.6V(TYP.3.3v)
- DVDD,TAVDD2,TVDD3 : 1.6V~3.6V(Typ.3.3V)
- VDD : 2.7V~.6V(Typ.3.3V)
- Ta = -30°C~+85°C
- Package; 83Pin FBGA (5.5mm x 5.5mm, 0.5mm pitch)
AK4674 BLOCK DIAGRAM
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