DSP audio processing IC - DU561

Product Specification

Audio interface：

4-way Audio-ADC, SNR 94dB,Sampling rate support:8KHz / 11.025KHz / 12KHz / 16KHz /22.05KHz / 24KHz / 32KHz / 44.1KHz / 48KHz
Simog LINEIN supports single end input or differential input

3-way Audio DAC, SNR 105dB,Sampling rate support:8KHz / 11.025KHz / 12KHz / 16KHz /22.05KHz / 24KHz / 32KHz / 44.1KHz / 48KHz
Support for direct drive 16 Ω or 32 Ω headphones, the maximum output power of 40mW

Two full-duplex I2S with a sampling rate of 8 to 192 KHz and a maximum effective bit width of 32bits

1 S / PDIF input interface

The Audio DSP algorithm：

DRC

Control and select the interfaces：

Interface for docking with the master MCU: I2C slave interface @ max.400KHz, or UART interface @ 115200. Select the foot control via the MOD 0

Or a USB 2.0 full-speed (OTG) interface connected to the PC debugging tool. Select the foot control via MOD 1

Tuning tools：

ACPWorkbench Upper computer tool supports real-time access configuration, sound switch and sound parameter adjustment

Supports configuration data export

Power supply, clock, and reset：

DC 3.3V~5V power supply @ LDOIN

Built-in 5V to 3.3V,3.3V to 1.2V LDO

Support 12 MHz crystal or external 12M clock directly input to @ HOSC _ XI

Built-in POR (Power on Reset), LVD (low voltage detection) and Watchdog

Support for the low-power consumption Deepsleep mode

Peripheral：

2 GPIO ports that can be controlled by the master MCU

1 full-duplex UART @ max.3Mbps, used for the log output

ESD：

Chip HBM model ESD ≥ 4KV

Packaging and operating temperature：

Application：

Portable Bluetooth、Wi-Fi loudspeaker box

Portable headphones

Cars and household acoustics