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PDF AK5576 Data sheet ( Hoja de datos )
| Número de pieza | AK5576 | |
| Descripción | 6-Channel Differential 32-bit ADC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AK5576]
AK5576
6-Channel Differential 32-bit ADC
1. General Description
The AK557x series is a 32-bit, 768 kHz sampling, differential input A/D converter for digital audio
systems. It achieves 121 dB dynamic range and 112 dB S/(N+D) while maintaining low power
consumption performance.
The AK5576 integrates a 6-channel A/D converter, suitable for mixers and multi-channel recorders. Four
types of digital filters are integrated and selectable according to the sound quality preference. The
AK5576 can be easily connected to a DSP by supporting TDM audio formats. Additionally, it supports
DSD output up to 11.2MHz. The channel summation improves the dynamic range to 124 dB in 6-to-3
mode, to 127 dB in 4-to-1 mode and to 128 dB in 6-to-1 mode.
2. Features
Sampling Rate: 8 kHz-768 kHz
Input: Full Differential Inputs
S/(N+D): 112 dB
DR: 121 dB (6-to-3 mode: 124 dB, 4-to-1 mode: 127 dB, 6-to-1 mode: 128 dB)
S/N: 121 dB (6-to-3 mode: 124 dB, 4-to-1 mode: 127 dB, 6-to-1 mode: 128 dB)
Internal Filter: Four types of LPF, Digital HPF
Power Supply: 4.75-5.25 V (Analog), 1.7-1.98 V or 3.0-3.6 V (Digital)
Output Format:
PCM mode: 24/32-bit MSB justified, I2S or TDM
DSD mode: DSD Native 64, 128, 256
Maximized Slot Efficiency in TDM Mode by Optimal Data Placed Mode
Cascade TDM I/F:
TDM512: fs= 48 kHz
TDM256: fs= 96 kHz or 48 kHz
TDM128: fs= 192 kHz, 96 kHz or 48 kHz
Operation Mode: Master Mode & Slave Mode
Detection Function: Input Overflow Flag
Serial Interface: 3-wire Serial and I2C μP I/F (Pin setting is also available)
Power Consumption: 411 mW (@AVDD= 5.0 V, TVDD= 3.3 V, fs= 48 kHz)
Package: 64-pin QFN
015016912-E-01
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1 page  
[AK5576]
■ Pin Functions
No. Pin Name
1 AVSS1
2 AVDD1
3 AIN3P
4 AIN3N
5 VREFL2
6 VREFH2
7 AIN4N
8 AIN4P
9 AIN5P
10 AIN5N
11 VREFH3
12 VREFL3
13 AIN6N
14 AIN6P
15 AVDD2
16 AVSS2
17 TESTIN1
18 TESTIN2
19 TESTIN3
20 TESTIN4
21 TESTIN5
22 TESTIN6
23 TEST
24 MCLK
25 TVDD
26 DVSS
27 VDD18
28 PDN
29 PW0
30 PW1
31 PW2
32 MSN
BICK
33
DCLK
LRCK
34
DSDOL1
I/O Function
- Analog Ground Pin(AIN1-4)
- Analog Power Supply Pin(AIN1-4), 4.75-5.25 V
I Channel 3 Positive Input Pin
I Channel 3 Negative Input Pin
I ADC Low Level Voltage Reference Input Pin
I ADC High Level Voltage Reference Input Pin
I Channel 4 Negative Input Pin
I Channel 4 Positive Input Pin
I Channel 5 Positive Input Pin
I Channel 5 Negative Input Pin
I ADC High Level Voltage Reference Input Pin
I ADC Low Level Voltage Reference Input Pin
I Channel 6 Negative Input Pin
I Channel 6 Positive Input Pin
- Analog Power Supply Pin(AIN5-6), 4.75-5.25 V
- Analog Ground Pin(AIN5-6)
I Test Input Pin1
I Test Input Pin2
I Test Input Pin3
I Test Input Pin4
I Test Input Pin5
I Test Input Pin6
I TEST Enable Pin. This pin is pull down by 100kΩ internally
I Master Clock Input Pin
-
Digital I/O Buffers and LDO Power Supply Pin
1.7-1.98 V (LDOE pin= “L”) or 3.0-3.6 V (LDOE pin= “H”).
- Digital Ground Pin
I Digital Core Power Supply Pin, 1.7-1.98 V (LDOE pin= “L”)
O LDO Stabilization Capacitor Connect Pin. (LDOE pin= “H”)
I
Reset & Power Down Pin
“L”: Reset & Power down, “H” : Normal operation
I Power Management Pin, Channel Summation select Pin
I Power Management Pin, Channel Summation select Pin
I Power Management Pin, Channel Summation select Pin
I
Master/Slave Select Pin
“L”: Slave Mode, “H” : Master Mode
I
Audio Serial Data Clock Input Pin in PCM & Slave Mode.
This pin is pulled down by 100 kΩ internally
O
Audio Serial Data Clock Output Pin in PCM & Master Mode
This pin is pulled down by 100 kΩ internally
O
DSD Clock Output Pin in DSD Mode
This pin is pulled down by 100 kΩ internally
I
Channel Clock Input Pin in PCM & Slave Mode
This pin is pulled down by 100 kΩ internally
O
Channel Clock Output Pin in PCM & Master Mode
This pin is pulled down by 100 kΩ internally
O
Audio Serial Data Output Pin for AIN1 in DSD Mode
This pin is pulled down by 100 kΩ internally
Power Down
Status
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Hi-z & Pull Down
with 500 Ω
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Hi-z
Hi-z
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Hi-z
Hi-z
015016912-E-01
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2016/01
5 Page 
[AK5576]
Figure 3. SHARP ROLL-OFF (fs= 48 kHz)
Figure 4. SLOW ROLL-OFF (fs= 48 kHz)
Figure 5. SHORT DELAY SHARP ROLL-OFF (fs= 48 kHz)
Figure 6. SHORT DELAY SLOW ROLL-OFF (fs= 48 kHz)
015016912-E-01
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2016/01
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet AK5576.PDF ] | |
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