The world’s premier supplier o
Audio DSP
AKM DSP Capabilities
• Compressor / Limiter
• FIR/IIR filtering
• Time alignment
• Speaker compensation
• Soundfield control
• Equalization
• Bass boost
• Tone control
• Automatic gain control
• Volume / balance / fader
• Beep generator
• D stereo enhancement
• Spectrum analyzer
• Echo cancellation
• Voice switch
• Hands-free
DSP’s With Integrated
2.1 Speaker System Application
DSP Effects
Compensation
Equalization
Compression
Virtual surround
Time alignment
Input MUX
Stereo
ADC
DSP
4 -Channel
DAC
L
L+ R
Sub
Left
Right
R
www.akm.com
AK7740
AK7740 (2-in, 4-out)
• DR, SNR: 98dB (ADC); 97dB (DAC)
• THD+N: 89dB (ADC); 89dB (DAC)
• Sample rate: 48kHz
• 5:1 ADC input MUX, differential I/O
• DSP core: 4-bits, fixed-point, 48kHz
• 51 lines, 7k internal delay RAM
• 48-pin LQFP package
Resolution
ADC/DSP/DAC
AK7720A
AK7730
AK7732
AK7740
AK7744
AK7746
AK7748
AK7750
AK7780
24 / 24 / 24
24 / 24 / --
24 / 24.4 / --
24 / 24 / 24
24 / 24 / 24
24 / 24 / 24
24 / 24.4 / --
24 / 24 / 24
24 / 24.4 / -
DR / SNR
ADC DAC
98 / 109
97 / --
97 / --
98 / 97
97 / 107
98 / --
97 / --
95 / 95
96 / -
THD
ADC/DAC
-93 / -94
-92 / --
-92 / --
-89 / -89
-86 / -92
-91 / --
-90 / --
-88 / -86
-92 / -
Sample Rate
ADC/DSP/DAC
96 / 192 / 192
96 / 192 / --
96 / 192 / --
48 / 48 / 48
48 / 48 / 48
96 / 192 / --
96 / 192 / --
48 / 192 / 48
96 / 96 / -
Channels
ADC/DAC
2/6
2 / --
2 / --
2/4
3/4
5 / --
5 / --
2/2
5/-
Channels
DSP Core In/
Out
6/8
8/8
10 / 10
4/6
5/6
9/8
12 / 10
10 / 8
10 / 12
EEPROM
Self-Boot
No
Yes
Yes
No
No
No
No
Yes
No
Page 16
Home Index Pages Text
Previous Next
Pages: Home Index