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PDF AK4365 Data sheet ( Hoja de datos )

Número de pieza AK4365
Descripción DAC
Fabricantes Asahi Kasei Microsystems　
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No Preview Available ! AK4365 Hoja de datos, Descripción, Manual

ASAHI KASEI
[AK4365]
AK4365
DAC with built-in PLL & HP-AMP
GENERAL DESCRIPTION
The AK4365 is 20bit DAC with built-in PLL and Headphone Amplifier. The PLL input crystal frequency is
matched to typical mobile phone clock frequencies. The AK4365 features an analog mixing circuit that
allows easy interfacing in mobile phone and portable communication designs. The integrated headphone
amplifier features “click-free” power-on/off, a mute control and delivers 10mW of power at 16Ω. The
AK4365 is housed in a 28pin QFN package, making it suitable for portable applications.
FEATURE
o Multi-bit ∆Σ DAC
o Sampling Rate
- 8kHz, 11.025kHz,16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz and 48kHz
o On chip perfect filtering 8 times FIR interpolator
- Passband: 20kHz
- Passband Ripple: ±0.02dB
- Stopband Attenuation: 57dB
o Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
o PLL:
- Input Frequency: 19.8MHz, 19.68MHz, 19.2MHz, 15.36MHz, 14.4MHz,
13MHz, 12MHz and 11.2896MHz
- Input Level: CMOS or 0.4Vpp Analog Input
o Audio I/F Format: MSB First, 2’s Compliment
- I2S, 20bit MSB justified, 20bit/16bit LSB justified
- Master/Slave Mode
o Digital ATT
o Analog Mixing Circuit
o Mono Lineout
o µP Interface: 3-wire
o Low Frequency Boost Function
o Headphone Amplifier
- Output Power: 10mW x 2ch @16Ω (THD+N=0.3%)
- S/N: 88dB
- Click Noise Free at Power-ON/OFF and Mute
o Power Supply: 3V±10%
o Power Supply Current: 11.5mA (@HP-AMP no-input)
o Ta: -30 ∼ 85°C
o Small Package: 28pin QFN
MS0110-E-01
-1-
2003/10

1 page




AK4365 pdf
ASAHI KASEI
[AK4365]
ABSOLUATE MAXIMUM RATING
(AGND, DGND, HPGND, PLLGND=0V; Note 1)
Parameter
Symbol
min
max
Power Supplies
Analog
Digital
PLL
HP-AMP
|AGND – HPGND| (Note 2)
|AGND – DGND| (Note 2)
|AGND – PLLGND| (Note 2)
AVDD
DVDD
PLLVCC
HPVCC
∆GND1
∆GND2
∆GND3
-0.3
-0.3
-0.3
-0.3
-
-
-
4.6
4.6
4.6
4.6
0.3
0.3
0.3
Input Current (any pins except for supplies)
IIN -
±10
Analog Input Voltage (LIN, RIN, MIN pins)
VINA
-0.3 AVDD+0.3 or 4.6
Digital Input Voltage
VIND
-0.3 DVDD+0.3 or 4.6
Ambient Temperature
Ta -30
85
Storage Temperature
Tstg -65
150
Note 1. All voltages with respect to ground.
Note 2. AGND, DGND, HPGND and PLLGND must be connected to the same analog ground plane.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
Units
V
V
V
V
V
V
V
mA
V
V
°C
°C
RECOMMEND OPERATING CONDITIONS
(AGND, DGND, HPGND, PLLGND=0V; Note 1)
Parameter
Symbol
min
typ max Units
Power Supplies Analog (Note 3)
AVDD 2.7 or (HPVCC – 0.4) 2.9 3.3 V
Digital
DVDD
2.7
2.9 3.3 V
PLL
PLLVCC
2.7
2.9 3.3 V
HP-AMP
HPVCC
2.7
2.9 3.3 V
Note 1. All voltages with respect to ground.
Note 3. Minimum value is higher value between 2.7V and (HPVCC - 0.4)V.
Note 4. Figure 24 and Figure 25 shows the sequence in case that only AVDD is powered ON/OFF when DVDD is powered
ON.
* AKM assumes no responsibility for the usage beyond the conditions in this datasheet.
MS0110-E-01
-5-
2003/10

5 Page





AK4365 arduino
ASAHI KASEI
LRCK
BICK
SDATA
LRCK
BICK
SDATA
RSTN
tBLR
tLRB
tSDS
tSDH
Figure 5. Serial Interface Timing (Slave Mode)
tMBLR
tSDS
tSDH
Figure 6. Serial Interface Timing (Master mode)
tRST
Figure 7. Power-down & Reset Timing
[AK4365]
VIH
VIL
VIH
VIL
VIH
VIL
50%DVDD
50%DVDD
VIH
VIL
VIL
MS0110-E-01
- 11 -
2003/10

11 Page







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