AK4679EG

MP

24-bit Stereo CODEC with DSP and MIC / RCV / HP / SPK / LINE-Amp.

24-bit Stereo CODEC with DSP and MIC / RCV / HP / SPK / LINE-Amp.

MP

Description

The AK4679EG is a 24-bit stereo CODEC and a built-in Microphone-amplifier, Receiver-amplifier, Mono Class-D Speaker-amplifier, Cap-less Class-G Headphone-amplifier and Line-amplifier as well as HF / Audio DSP. The AK4679EG features AKM DSP core to deal with hands free function for wide band and dual PCM I / F in addition to audio I / F that allows easy interfacing in mobile phone designs with Bluetooth I / F. The playback features also include 5-band Parametric EQ and Dynamic Range Control; therefore the AK4679EG can automatically adjust the volume to a comfortable level that has no distortion and provides great flexibility. The AK4679EG is available in a 78-pin BGA, utilizing less board space than competitive offerings. (AKM is an Asahi Kasei Microdevices Corporation.)

Key Features

  • Flexible programming with built-in program and data memories.
  • Has a hardware accelerator.
  • Word length |  24-bit (Data RAM 24-bit floating point).

Applications

  •                                 Digital audio equipment, etc.
                                

Specifications

Part Number
AK4679EG
MAX fs [kHz]
48
Number of Channels (AD)
2
Number of Channels (DA)
2
S/N (AD) [dB]
92
S/N (DA) [dB]
92
Number of Channels (DSP Input)
8
Number of Channels (DSP Output)
8
Clock Speed (MAX.) [MHz]
90
Data RAM [Word]
18432
Power Supply Voltage 1 (MIN.) [V]
3.0
Power Supply Voltage 1 (TYP.) [V]
4.2
Power Supply Voltage 1 (MAX.) [V]
5.5
Power Supply Voltage 2 (MIN.) [V]
1.7
Power Supply Voltage 2 (TYP.) [V]
1.8
Power Supply Voltage 2 (MAX.) [V]
2.0
Power Supply Voltage 3 (MIN.) [V]
1.6
Power Supply Voltage 3 (TYP.) [V]
1.8
Power Supply Voltage 3 (MAX.) [V]
3.6
Power Supply Voltage 4 (MIN.) [V]
1.1
Power Supply Voltage 4 (TYP.) [V]
1.2
Power Supply Voltage 4 (MAX.) [V]
1.3
Other

                                
Operating Temperature [℃]
-30 to 85
Device Package
VBGA
Number of Pins
78

Product Information

Part Status
MP
Pb Free
Yes
Halogen Free
No
MSL
MSL2
Packaging
TAPE
JEDEC Standard Packaging
Compliant
Minimum Order Quantity [pcs.]
5000
Replacement P/N

                                

Block Diagram

Block Diagram