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Part Number: AK4564
Description: The AK4564 is a 16bit stereo CODEC with a built-in Microphone-Amp, Headphone-Amp and Speaker-Amp.AK4564 has new recordi...
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AK4564
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DataSheet
General Description
AK4564 General Description
The AK4564 is a 16bit stereo CODEC with a built-in Microphone-Amp, Headphone-Amp and Speaker-Amp.AK4564 has new recording features, a digital equalizer for microphone inputs and a digital ALC (Automatic Level Control). The playback features also include LINEOUT-Amp, digital volume, Headphone-Amp and Speaker-Amp. The AK4564 suits a portable application with a built-in LCD and etc. The AK4564 is housed in a space-saving 48pin LQFP package.
AK4564 Maximum Ratings
(AVSS, DVSS, MVSS, SVSS=0V;Note 1)
Note 1. All voltage with respect to ground.
Note 2. AVSS, DVSS, MVSS and SVSS must be connected to the same analog ground plane.
Note 3. LIN1, RIN1, LIN2, RIN2, BEEP1, BEEP2 and MIN pins
Note 4. EXTL, EXTR, INTL, INTR, PRENL and PRENR pins
Note 5. MCLK, LRCK, BICK, SDTI, PDN, CSN, CCLK, CDTI and MUTE pins
Note 6. Wiring density is 50% or more.
Note 7. Headphone-Amp and Speaker-Amp shouldn't be powered up at the same time. The maximum power supply voltage of SVDD is 3.3V.
Note 8. Headphone-Amp and Speaker-Amp can be powered up at the same time.
|
Parameter |
Symbol |
min |
max |
Units | |
| Power Supplies: |
Analog 1 Analog 2 MIC Digital Speaker | DVSS AVSS | (Note 2) | MVSS AVSS | (Note 2) | SVSS AVSS | (Note 2) |
AVDD |
-0.3 -0.3 -0.3 -0.3 -0.3 - - - |
6.0 6.0 6.0 6.0 6.0 0.3 0.3 0.3 |
V V V V V V V V |
| Input Current, Any Pin Except Supplies | IIN | - | ±10 | mA | |
|
Analog Input Voltage(Note 3) |
VINA1 VINA2 |
-0.3 -0.3 |
AVDD+0.3 MVDD+0.3 |
V V | |
| Digital Input Voltage(Note 5) | VIND | -0.3 | DVDD+0.3 | V | |
| Ambient Temperature (Powered applied) | Ta | -20 | 85 | °C | |
| Storage Temperature | Tstg | -65 | 150 | °C | |
| Maximum Power Dissipation (Note 6) |
Ta=85°C (Note 7) | Pd1 | - | 500 | mW |
| Ta=70°C (Note 8) | Pd2 | - | 700 | mW | |
Note 1. All voltage with respect to ground.
Note 2. AVSS, DVSS, MVSS and SVSS must be connected to the same analog ground plane.
Note 3. LIN1, RIN1, LIN2, RIN2, BEEP1, BEEP2 and MIN pins
Note 4. EXTL, EXTR, INTL, INTR, PRENL and PRENR pins
Note 5. MCLK, LRCK, BICK, SDTI, PDN, CSN, CCLK, CDTI and MUTE pins
Note 6. Wiring density is 50% or more.
Note 7. Headphone-Amp and Speaker-Amp shouldn't be powered up at the same time. The maximum power supply voltage of SVDD is 3.3V.
Note 8. Headphone-Amp and Speaker-Amp can be powered up at the same time.
AK4564 Features
1. Resolution: 16bits
2. Recording Function:
` 4-Input Selector (Internal MIC, External MIC, LINE x 2)
` Pre-Amp
` Digital EQ/HPF/LPF
` Digital ALC (Automatic Level Control) circuit
` FADEIN / FADEOUT
` Digital HPF for offset cancellation (fc=3.7Hz@fs=48kHz)
` Enable mixing of BEEP signal
3. Playback Function
` Digital De-emphasis Filter (tc = 50/15ms, fs = 32kHz, 44.1kHz and 48kHz)
` LINEOUT-Amp
` Digital Volume: 0dB ~ - 65.25dB, Mute
` Headphone-Amp
- Po: 5.3mW @ 16 W (AVDD = 2.8V)
` Speaker-Amp with built-in ALC
- BTL Output
- Po: 80mW @ 8 W
` Enable mixing of BEEP signal
4. Power Management
5. ADC characteristics (LIN ® ADC)
` S/(N+D): 87dB, DR=S/N: 90dB
6. DAC characteristics (DAC ® LINEOUT-Amp)
` S/(N+D): 82dB, DR=S/N: 88dB
7. Master Clock: 256fs/384fs
8. Sampling Rate: 8kHz ~50kHz
9. Audio Data Interface Format: MSB-First, 2's compliment
` ADC, DAC: 16bit MSB justified, 16bit LSB justified, I2S
10. Ta = -20 ~ 85 °C
11. Power Supply Voltage
` CODEC, Speaker-Amp: 2.6 ~ 3.6V
` MIC/Headphone/LINEOUT-Amp: 2.6 ~ 5.5V
12. Power Supply Current
` All Power On: 30.5mA
13. Package: 48pin LQFP, 0.5mm Pitch
2. Recording Function:
` 4-Input Selector (Internal MIC, External MIC, LINE x 2)
` Pre-Amp
` Digital EQ/HPF/LPF
` Digital ALC (Automatic Level Control) circuit
` FADEIN / FADEOUT
` Digital HPF for offset cancellation (fc=3.7Hz@fs=48kHz)
` Enable mixing of BEEP signal
3. Playback Function
` Digital De-emphasis Filter (tc = 50/15ms, fs = 32kHz, 44.1kHz and 48kHz)
` LINEOUT-Amp
` Digital Volume: 0dB ~ - 65.25dB, Mute
` Headphone-Amp
- Po: 5.3mW @ 16 W (AVDD = 2.8V)
` Speaker-Amp with built-in ALC
- BTL Output
- Po: 80mW @ 8 W
` Enable mixing of BEEP signal
4. Power Management
5. ADC characteristics (LIN ® ADC)
` S/(N+D): 87dB, DR=S/N: 90dB
6. DAC characteristics (DAC ® LINEOUT-Amp)
` S/(N+D): 82dB, DR=S/N: 88dB
7. Master Clock: 256fs/384fs
8. Sampling Rate: 8kHz ~50kHz
9. Audio Data Interface Format: MSB-First, 2's compliment
` ADC, DAC: 16bit MSB justified, 16bit LSB justified, I2S
10. Ta = -20 ~ 85 °C
11. Power Supply Voltage
` CODEC, Speaker-Amp: 2.6 ~ 3.6V
` MIC/Headphone/LINEOUT-Amp: 2.6 ~ 5.5V
12. Power Supply Current
` All Power On: 30.5mA
13. Package: 48pin LQFP, 0.5mm Pitch
AK4564 Connection Diagram
AK4564
PDF/DataSheet Download
- Datasheet: AK4564
- File Size: 391282 KB
- Manufacturer: AKM [Asahi Kasei Microsystems]
- Click here to Download
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