The AK7756 is a highly integrated digital signal processor, including a mono voice audio codec, a MIC pre-amplifier and digital audio I/F. The audio DSP has 9216step at fs = 8kHz parallel processing power. As the AK7756 is a RAM based DSP, it is programmable for user requirements such as hands free and acoustic effect. The AK7756EN is available in a space sa.
DSP - Word length: 24bit (Data RAM 24bit floating point) - Instruction cycle: 13.6 ns (9216 steps at fs=8 kHz) - Multiplier 20 x 20 → 36bit (double precision available) - Divider 20 / 20 → 20bit - ALU: 36bit arithmetic operation (with overflow margin 4bit) 24bit floating point arithmetic and logic operation - Program RAM: 3072 x 36bit - Coefficient RAM: 2048 x 20bit - Data RAM: 1024 x 24-bit (24bit floating point) - Delay RAM: 3072 x 20bit, 3072 x .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | AK7750 |
AKM |
Audio DSP | |
2 | AK7752 |
AKM |
Audio/Hands Free DSP | |
3 | AK7754 |
AKM |
Audio DSP | |
4 | AK7755 |
AKM |
DSP | |
5 | AK7757 |
AKM |
24bit 3ch ADC +4ch DAC + Mic AmpAudio DSP | |
6 | AK7759 |
AKM |
DSP | |
7 | AK7707 |
AKM |
Multi Core DSP | |
8 | AK7712 |
Asahi Kasei Microsystems |
Built-in 20-bit ADC/DAC Sophisticated Audio DSP | |
9 | AK7712A-VT |
Asahi Kasei Microsystems |
Built-in 20-bit ADC/DAC Sophisticated Audio DSP | |
10 | AK7714 |
Asahi Kasei Microsystems |
20-Bit Audio Codec | |
11 | AK7719 |
AKM |
Low Power DSP | |
12 | AK7719B |
AKM |
Low Power DSP |