AK4678ECB
EOL
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.
EOL
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.
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+N (AD) [dB] | 
                                    -80  | 
                            
| THD+N (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 | 
                                    EOL  | 
                            
|---|---|
| Pb Free | 
                                    Yes  | 
                            
| Halogen Free | 
                                    Yes  | 
                            
| MSL | 
                                    MSL1  | 
                            
| Packaging | 
                                    TAPE  | 
                            
| JEDEC Standard Packaging | 
                                    Compliant  | 
                            
| Minimum Order Quantity [pcs.] | 
                                    4000  | 
                            
| Replacement P/N | 
Block Diagram