Audio CODEC. AK4621 Datasheet

AK4621 CODEC. Datasheet pdf. Equivalent

AK4621 Datasheet
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Part AK4621
Description 24-Bit 192kHz Audio CODEC
Feature AK4621; [AK4621] AK4621 24-Bit 192kHz Stereo Audio CODEC GENERAL DESCRIPTION The AK4621 is a high performanc.
Manufacture AKM
Datasheet
Download AK4621 Datasheet




AKM AK4621
[AK4621]
AK4621
24-Bit 192kHz Stereo Audio CODEC
GENERAL DESCRIPTION
The AK4621 is a high performance 24-bit CODEC that supports up to 192kHz recording and playback.
The on-board analog-to-digital converter has a high dynamic range due to AKM’s Enhanced Dual-Bit
architecture. The DAC utilizes AKM’s Advanced Multi-Bit architecture that achieves low out-of-band noise
and high jitter tolerance through the use of Switched Capacitor Filter (SCF) technology. The AK4621 is
ideal for Pro Audio sound cards, Digital Audio Workstations, DVD-R, hard disk, CD-R recording/playback
systems, and musical instrument recording.
FEATURES
24-bit 2-channel ADC
- Full Differential Inputs
- Selectable Digital Filter
1. ADC Sharp Roll Off Filter (GD=39/fs)
Passband: 0 ~ 21.8kHz (@fs=48kHz)
Stopband Attenuation: 100dB
2. ADC Short Delay Sharp Roll Off Filter (GD=14/fs)
Passband: 0 ~ 21.7kHz (@fs=48kHz)
Stopband Attenuation: 80dB
- S/(N+D): 102dB
- S/N: 115dB
- Digital High-pass Filter for Offset Cancellation
- Overflow Flag
- Audio Interface Format: MSB justified or I2S
24-bit 2-channel DAC
- Selectable Digital Filter
1. DAC Sharp Roll Off Filter (GD=27/fs)
Passband: 0 ~ 21.8kHz (@fs=48kHz)
Stopband Attenuation: 70dB
2. DAC Slow Roll Off Filter (GD=27/fs)
Passband: 0 ~ 8.9kHz (@fs=48kHz)
Stopband Attenuation: 73dB
3. DAC Short Delay Sharp Roll Off Filter (GD=7/fs)
Passband: 0 ~ 21.8kHz (@fs=48kHz)
Stopband Attenuation: 70dB
- Switched-cap Low Pass Filter
- Differential Outputs
- S/(N+D): 100dB
- S/N: 115dB
- De-emphasis for 32kHz, 44.1kHz, 48kHz Sampling
- Output Digital Attenuator: 0dB ~ – 72dB, Linear 256 + 16steps
- Zero Detection Function
- Audio Interface Format: MSB justified, LSB justified, I2S
High Jitter Tolerance
Sampling Rate: 32kHz ~ 216kHz
μP Interface: 3-wire Serial Interface
Master Clock: 128fs/192fs/256fs/384fs/512fs/768fs/1024fs
MS1258-E-01
-1-
2011/01



AKM AK4621
[AK4621]
Power Supply
Analog: 4.75 ~ 5.25V (typ. 5.0V)
Digital: 3.0 ~ 3.6V (typ. 3.3V)
Digital I/O: DVDD ~ 5.25V (typ. 5.0V)
Package: 30pin VSOP
Ta: -10 ~ 70 °C
Block Diagram
AVDD VSS1 VCOM VREF
DVDD TVDD VSS2
AINL+
AINL-
AINR+
AINR-
OVFL/DZFL
OVFR/DZFR
AOUTL+
AOUTL-
AOUTR+
AOUTR-
ADC
HPF
DAC
OVF
DATT
SMUTE
Audio
Interface
PDN
LRCK
BICK
SDTO
SDTI
MCLK
DFS0
Control
Register I/F
P/S
SDFIL DEM0 CSN/ CCLK/ CDTI/
DIF CKS1 CKS0
Figure 1. Block Diagram
MS1258-E-01
-2-
2011/01



AKM AK4621
Ordering Guide
AK4621EF
AKD4621
Pin Layout
VCOM
AINR+
AINR-
AINL+
AINL-
VREF
VSS1
AVDD
P/S
MCLK
LRCK
BICK
SDTO
SDTI
OVFR/DZFR
10 +70°C
30pin VSOP (0.65mm pitch)
Evaluation board for AK4621
[AK4621]
1
2
3
4
5
6
7 Top View
8
9
10
11
12
13
14
15
30 AOUTR+
29 AOUTR-
28 AOUTL+
27 AOUTL-
26 VSS2
25 DVDD
24 TVDD
23 SDFIL
22 DEM0
21 PDN
20 DFS0
19 CSN/DIF
18 CCLK/CKS1
17 CDTI/CKS0
16 OVFL/DZFL
MS1258-E-01
-3-
2011/01







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