AK7759 DSP Datasheet

AK7759 Datasheet, PDF, Equivalent


Part Number

AK7759

Description

DSP

Manufacture

AKM

Total Page 30 Pages
Datasheet
Download AK7759 Datasheet


AK7759
[AK7759]
Product Brief
AK7759
DSP with Stereo CODEC
1. General Description
The AK7759 is a highly integrated digital signal processor, a stereo audio CODEC, a MIC gain amplifier,
a line-out amplifier, digital audio I/F. The DSP has 3072step at fs = 48kHz parallel processing power. As
the AK7759 is a RAM based DSP, it is programmable for user requirements such as high performance
hands free function and acoustic effects. The AK7759 is available in a space saving small 36-pin QFN
package.
2. Features
DSP:
- Word Length: 28-bit (Floating Point)
- Instruction Cycle: Maximum 6.8ns (3072fs, fs=48kHz)
- Program RAM (PRAM): 5120 x 36-bit
- Coefficient RAM (CRAM): 4096 x 24-bit
- Offset Register (OFREG): 32 × 15-bit
- JX pins (Conditional Branch Control)
Digital Interface:
- Digital Signal Input Port (4ch) MSB justified 24-bit / LSB justified 24, 20, 16-bit and I2S
- Digital Signal Input Port (6ch) MSB justified 24-bit / LSB justified 24, 20, 16-bit and I2S
- Short / Long Frame
- TDM 256fs (8ch) Format
Analog Input:
- Full Differential / Single-ended, Pseudo Differential Inputs
- Channel Independent Microphone Analog Gain Amplifier (-6~27dB, 3dB Step)
Stereo 24-bit ADC:
- Sampling Frequency: fs = 8kHz ~ 48kHz
- ADC Characteristics S/(N+D): 80dB; DR, S/N: 90dB
- Channel Independent Digital Volume (24dB ~ -103dB, 0.5dB Step, Mute)
- Digital HPF for DC Offset Cancelling
- Digital LPF: Voice Filter / Sharp Roll-Off Filter
Stereo 24-bit DAC:
- Sampling Frequency: fs = 8kHz ~ 48kHz
- Digital Volume (12dB ~ -115dB, 0.5dB Step, Mute)
- Digital LPF: Sharp Roll-Off Filter
Line Output:
- Full Differential Output
- S/(N+D): 80dB; DR, S/N: 90dB
2ch Digital Microphone (DMIC) Interface:
- Digital LPF: Voice Filter / Sharp Roll-Off Filter
2 types Analog Direct Path:
- Full Differential / Single-ended Input/Output
Digital Mixer
PLL Circuit
DIT:
- S/PDIF, IEC60958, AES/EBU, EIAJ CP1201 Consumer Mode
- 24bit 2ch Output
018913659-E-00-PB
-1-
2019/07

AK7759
Interface: SPI, I2CBUS(400kHz Fast-Mode, 1MHz Fast-Mode-Plus)
I2C bootloader
- EEPROM Mat Selectable
Power Supply:
Analog
AVDD: 3.0V ~ 3.6V (Typ. 3.3V)
Digital
LVDD: 3.0V ~ 3.6V (Typ. 3.3V)
I/F TVDD: 1.7V ~ 3.6V (Typ. 3.3V)
Operationg Temperature Range: -40 ~ 105 C
Storage Temperature: -65 ~ 150 C
Package: 36-pin QFN (0.5mm pitch)
[AK7759]
018913659-E-00-PB
-2-
2019/07


Features [AK7759] Product Brief AK7759 DSP wit h Stereo CODEC 1. General Description The AK7759 is a highly integrated digit al signal processor, a stereo audio COD EC, a MIC gain amplifier, a line-out am plifier, digital audio I/F. The DSP has 3072step at fs = 48kHz parallel proces sing power. As the AK7759 is a RAM base d DSP, it is programmable for user requ irements such as high performance hands free function and acoustic effects. Th e AK7759 is available in a space saving small 36-pin QFN package. 2. Features DSP: - Word Length: 28-bit (Floating Po int) - Instruction Cycle: Maximum 6.8ns (3072fs, fs=48kHz) - Program RAM (PRAM ): 5120 x 36-bit - Coefficient RAM (CRA M): 4096 x 24-bit - Offset Register (OF REG): 32 × 15-bit - JX pins (Condition al Branch Control) Digital Interface: - Digital Signal Input Port (4ch) MSB ju stified 24-bit / LSB justified 24, 20, 16-bit and I2S - Digital Signal Input P ort (6ch) MSB justified 24-bit / LSB ju stified 24, 20, 16-bit and I2S - Short / Long Frame - TDM 256fs .
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