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About AKM
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
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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 |
| Moisture Barrier Packaging |
Based on JEDEC J‑STD‑033 guidelines |
| Minimum Order Quantity [pcs.] |
4000 |
| Replacement P/N |
Block Diagram
