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PDF AK4116 Data sheet ( Hoja de datos )
| Número de pieza | AK4116 | |
| Descripción | Low Power 48kHz Digital Audio Receiver | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AK4116 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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ASAHI KASEI
[AK4116]
AK4116
Low Power 48kHz Digital Audio Receiver
GENERAL DESCRIPTION
The AK4116 is a low power S/PDIF AES/EBU receiver supporting resolution up to 24-bit. The integrated
channel status decoder supports both consumer and professional modes. The AK4116 can automatically
detect a Non-PCM bit stream. Combining the AK4116 with a multi-channel codec such as AKM’s
AK4527B or AK4529 can create a complete AC-3 system. Mode settings can be controlled via
microprocessor serial interface. The small 20pin QFN package saves board space.
*AC-3 is a trademark of Dolby Laboratories.
FEATURES
AES3, IEC60958, S/PDIF, EIAJ CP1201 Compatible
Low jitter Analog PLL
PLL Lock Range : 32kHz to 48kHz
Clock Source: PLL or X'tal
Auxiliary digital input
Detection Functions
- Non-PCM Bit Stream Detection
- DTS-CD Bit Stream Detection
- Sampling Frequency Detection (32kHz, 44.1kHz, 48kHz)
- Unlock & Parity Error Detection
- Validity Flag Detection
Up to 24bit Audio Data Format
Audio I/F: Left justified, Right justified (16bit, 18bit, 20bit, 24bit), I2S
40-bit Channel Status Buffer
Burst Preamble bit Pc and Pd Buffer for Non-PCM bit stream
Q-subcode Buffer for CD bit stream
4-wire Serial µP I/F
Master Clock Output: 256fs
Operating Voltage: 2.7 to 3.6V
Power Supply Current: 7mA (PLL mode)
2mA (X’tal mode)
Small Package: 20pin QFN
Ta: -40 to 85°C
MS0156-E-03
-1-
2005/08
1 page  
ASAHI KASEI
ABSOLUTE MAXIMUM RATINGS
(AVSS, DVSS=0V; Note 2)
Parameter
Symbol
min
max
Power Supplies: Analog
AVDD
-0.3
4.6
Digital
DVDD
-0.3
4.6
|AVSS-DVSS| (Note 3)
∆GND
0.3
Input Current (Any pins except supplies)
IIN -
±10
Input Voltage (Except RX0, RX1 pins)
VIN1
-0.3
DVDD+0.3
(RX0, RX1 pins)
VIN2
-0.3
AVDD+0.3
Ambient Temperature (Power applied)
Ta -40
85
Storage Temperature
Tstg -65
150
Note 2. All voltages with respect to ground.
Note 3. AVSS and DVSS must be connected to the same ground.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
[AK4116]
Units
V
V
V
mA
V
V
°C
°C
RECOMMENDED OPERATING CONDITIONS
(AVSS, DVSS=0V; Note 2)
Parameter
Symbol
min
typ
Power Supplies:
Analog
Digital
AVDD
DVDD
2.7
2.7
3.3
3.3
Note 2. All voltages with respect to ground.
max
3.6
AVDD
Units
V
V
S/PDIF RECEIVER CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=2.7~3.6V)
Parameter
Symbol
min
typ
Input Resistance
Zin - 10
Input Voltage
VTH
350
Input Sample Frequency
fs 32 -
max Units
- kΩ
mVpp
48 kHz
DC CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=2.7~3.6V; unless otherwise specified)
Parameter
Symbol
min
typ
Power Supply Current
Normal operation (PDN= “H”)
CM1-0= “00”
CM1-0= “01”
Power down (PDN = “L”)
(Note 4)
(Note 5)
(Note 6)
(Note 7)
7
2
10
High-Level Input Voltage
Low-Level Input Voltage
VIH 70%DVDD
VIL DVSS-0.3
-
-
High-Level Output Voltage
Low-Level Output Voltage
(Iout=-400µA)
(Iout=400µA)
VOH
VOL
DVDD-0.4
-
-
-
Input Leakage Current
Iin -
-
Note 4. AVDD=DVDD=3.3V.
Note 5. fs=48kHz, X'tal=24.576MHz, CL=20pF. AVDD=5mA (typ), DVDD=9mA (typ).
Note 6. fs=48kHz, X'tal=24.576MHz. The external load current is not included.
Note 7. RX inputs are open and all digital input pins are held at DVDD or DVSS.
max Units
14
-
100
DVDD+0.3
30%DVDD
-
0.4
± 10
mA
mA
µA
V
V
V
V
µA
MS0156-E-03
-5-
2005/08
5 Page 
ASAHI KASEI
[AK4116]
Master Clock Output
The AK4116 has a master clock output pin, MCKO. In PLL mode, PLL lock range is up to 48kHz and the MCKO
frequency is fixed to 256fs.
In the X’tal mode, XCKS1-0 bits select the ratio of the X’tal frequency to fs (sampling frequency). The DIV bit selects
the ratio (x1 or x1/2) of the MCKO frequency to the X’tal frequency (Table 2).
XCKS1
0
0
1
1
XCKS0
0
1
0
1
X’tal
or
EXT
128fs
256fs
512fs
1024fs
MCKO
DIV=0
128fs
256fs
512fs
1024fs
DIV=1
64fs
128fs
256fs
512fs
fs [kHz]
EXTCLK [MHz]
X’tal [MHz]
2.048 4.096 8.192 11.2896 12.288 24.576
16 32 N/A N/A N/A N/A
8 16 32 44.1 48 N/A
N/A 8
16 N/A N/A 48
N/A N/A 8 N/A N/A N/A
Default
Table 2. Master Clock Frequency Select
(X’tal mode: Clock operation mode 1, 2(UNLCK=1), 3)
MS0156-E-03
- 11 -
2005/08
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK4116.PDF ] | |
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