AK4678ECB

MP

Low Power 2 ch ADC & 2 ch DAC with B / T & B / B I / F,SRC,ALC / Eq and MIC / Cap-less HP / RCV / SPK-Amp.

Low Power 2 ch ADC & 2 ch DAC with B / T & B / B I / F,SRC,ALC / Eq and MIC / Cap-less HP / RCV / SPK-Amp.

MP

Description

The AK4678ECB is a 24-bit stereo CODEC with a built-in Microphone-amplifier, Receiver-amplifier, Mono Class-D Speaker-amplifier, Cap-less Class-G Headphone-amplifier and Line-amplifier.  The AK4678ECB features 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 AK4678ECB can automatically adjust a comfortable volume without distortion and provides great flexibility.  The AK4678ECB is available in a 49-pin CSP, utilizing less board space than competitive offerings.

Key Features

  • Equipped with gain amplifier for microphone
  • Equipped with wind noise filter
  • Equipped with stereo emphasis circuit

Applications

  •                                 Easily interface with Bluetooth mobile phone systems.
                                

Specifications

Part Number
AK4678ECB
Number of Channels (AD)
2
Number of Channels (DA)
2
Bits [bit]
24
S/N (AD) [dB]
92
S/N (DA) [dB]
92
THD (AD) [dB]
-80
THD (DA) [dB]
-80
Power Supply Voltage (MIN.) [V]
1.7
Power Supply Voltage (TYP.) [V]
1.8
Power Supply Voltage (MAX.) [V]
2.0
Microphone Amplifier
Yes
Speaker Amplifier
Monaural
Other
SPK-Amp: 1W Output
Operating Temperature [℃]
-30 to 85
Device Package
WLCSP
Number of Pins
49

Product Information

Part Status
MP
Pb Free
Yes
Halogen Free
Yes
MSL
MSL1
Packaging
TAPE
JEDEC Standard Packaging
Compliant
Minimum Order Quantity [pcs.]
4000
Replacement P/N

                                

Block Diagram

Block Diagram