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PDF AK4601 Data sheet ( Hoja de datos )
| Número de pieza | AK4601 | |
| Descripción | Audio HUB CODEC | |
| Fabricantes | AKM | |
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[AK4601]
AK4601
Audio HUB CODEC with Digital Mixer
1. General Description
The AK4601 is an Audio HUB CODEC including 5ch ADC, 6ch DAC and digital mixers. The analog input
block consists of a 24-bit stereo ADC, a 24-bit stereo ADC with input selector and a monaural ADC, and
the analog output block consists of 32-bit 6ch DAC. The transfer block for digital signals integrates a
serial interface that supports Data BUS and TDM format, realizing an audio HUB function. It gives
scalability to the device for both analog and digital signals.
A car audio system that is capable of processing both sound and voice such as for hands-free function
simultaneously can be realized by using the AK4601 with AKM’s multi-core DSP, the AK7707. The
AK4601 is available in a space saving 48-pin LQFP package.
2. Features
□ ADC1: 24-bit Stereo ADC with MIC Gain Amplifiers
- Sampling Frequency: fs=8kHz to 192kHz
- Channel Independent Analog Gain Amplifiers
(0 to 18dB(2dB Step), 18 to 36dB(3dB step))
- Differential Input or Single-ended Input
- ADC Characteristics S/N: 106dB (fs=48kHz, Differential Input, MIC Gain=0dB,)
- Channel Independent Digital Volume Control (+24 to -103dB, 0.5dB Step, Mute)
- Digital HPF for DC Offset Cancelling
- Low Noise MIC Power Output: 2ch
- 4 types of Digital Filter for Sound Color Selection
□ ADC2: 24-bit Stereo ADC with Input Selector
- Sampling Frequency: fs=8kHz to 192kHz
- Analog Input Selector: Differential Input x1 or Single-ended Input x2,
Semi-Differential Input x1
- ADC Characteristics S/N: 106dB (fs=48kHz, Differential Input)
- Channel Independent Digital Volume (+24 to -103dB, 0.5dB Step, Mute)
- Digital HPF for DC Offset Cancelling
- 4 types of Digital Filter for Sound Color Selection
□ ADCM: 24-bit Monaural ADC
- Sampling Frequency: fs=8kHz to 192kHz
- Differential Input or Single-ended Input
- ADC Characteristics S/N: 106dB (fs=48kHz, Differential Input)
- Channel Independent Digital Volume (+24 to -103dB, 0.5dB Step, Mute)
- Digital HPF for DC Offset Cancelling
- 4 types of Digital Filter for Sound Color Selection
□ DAC: Advanced 32-bit DAC
- 2ch x3
- Sampling Frequency: fs=8kHz to 192kHz
- Single-ended Output
- DAC Characteristics S/N: 108dB (fs=48kHz)
- Channel Independent Digital Volume Control (+12 to -115dB, 0.5dB Step, Mute)
- 4 types of Digital Filter for Sound Color Selection
016000391-E-01
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1 page  
■ Pin Layout
5. Pin Configuration and Functions
[AK4601]
AINMN
AVDD
AVSS
VCOM
VREFH
VREFL
AOUT1R
AOUT1L
AOUT2R
AOUT2L
AOUT3R
AOUT3L
37
38
39
40
41
42
43
44
45
46
47
48
AVDD
TVDD
48pin LQFP
( Top View )
LVDD
24
23
22
21
20
19
18
17
16
15
14
13
MPWR2
MPWR1
MPREF
TESTI
DVSS2
LVDD
AVDRV
PDN
SI / I2CFIL
SCLK / SCL
SO/SDA
CSN
Input
Output
I/O
Power
*** はP、inプs ルwiダthウfrンam抵e抗d 付naピmンeでarすe。pu**l*le：dピdンow名n internally.
016000391-E-01
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5 Page 
[AK4601]
6. Absolute Maximum Ratings
(AVSS=DVSS1=DVSS2=0V; Note 1)
Parameter
Symbol
Min.
Max.
Unit
Power Supplies
Analog
AVDD
-0.3
4.3
V
Digital1(Core)
LVDD
-0.3
4.3
V
Digital2(I/F)
TVDD
-0.3
4.3
V
Difference (AVSS, DVSS1 ~ 2) (Note 1)
ΔGND
-0.3
0.3
V
Input Current (except power supply pins) IIN －
±10 mA
Analog Input Voltage
(Note 2)
VINA
-0.3 (AVDD+0.3) or 4.3 V
Digital Input Voltage
(Note 3) VIND1
-0.3 (TVDD+0.3) or 4.3 V
Ambient Temperature (Power applied)
Ta -40
85 C
Storage Temperature
Tstg -65
150 C
Note 1. All voltages are with respect to ground. AVSS and DVSS1-2 must be connected to the same
ground.
Note 2. The maximum analog input voltage is a smaller value between (AVDD+0.3)V and 4.3V.
Note 3. The maximum digital input voltage of SDIN1, SDIN2, BICK2/SDIN3, LRCK1, BICK1, MCKI,
LRCK2/SDOUT3, PDN, SCLK/SCL, SO/SDA, CSN, SI/I2CFIL pins is a smaller value between
(TVDD+0.3)V and 4.3V.
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal
operation is not guaranteed at these extremes.
7. Recommended Operating Conditions
(AVSS=DVSS1=DVSS2=0V; Note 1)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Power Supplies
Analog
AVDD
3.0 3.3 3.6 V
Digital1(Core)
LVDD
3.0 3.3 3.6 V
Digital2(I/F)
Difference1
Difference2
TVDD
1.7 3.3 3.6 V
AVDD – LVDD
-0.1
0
+0.1 V
LVDD – TVDD
-0.1
-
-V
Note 4. The power-up sequence with AVDD, LVDD, TVDD is not critical. The PDN pin should be held
“L” when power is supplied. The PDN pin is allowed to be “H” after all power supplies are
applied and settled.
Note 5. Do not turn off the power supply of the AK4601 with the power supply of the peripheral device
turned on when using the I2C interface. Pull-up resistors of SDA and SCL pins should be
connected to TVDD or less voltage.
WARNING: AKM assumes no responsibility for the usage beyond the conditions in the datasheet.
016000391-E-01
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK4601.PDF ] | |
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