Dnote7S

 

24-Bits 96 kHz Digital Speaker Driver with I2S Interface

DIGITAL SPEAKER DRIVER

Available for Multi-Coil or Multi-Unit Speaker

High Efficiency from 0dB to -20dB Input Signal

High Output Power without Clipping from 3.3V

 

OUTPUT POWER without CLIPPING (VPP=3.3V)

1.3WRMS + 1.3WRMS into 8Ωx3 load (Stereo)

2.1WRMS + 2.1WRMS into 4Ωx3 load (Stereo)

3.4WRMS into 8Ωx8 load (Monaural)

5.3WRMS into 4Ωx8 load (Monaural)

 

AUDIO PEFORMANCE

93% Efficiency at Maximum Output Power

THD+N 0.35 % at 1WRMS

Output Noise 6uVRMS

Dynamic Range 112dB (Monaural 8-BIT Mode)

 

AUDIO INTERFACE AND CLOCK

I2S 24Bits 96kHz (Dnote7S)

256fs or 512fs Master Clock (Dnote7S)

USB 24Bits 96kHz with Asynchronous Mode (Dnote7U)

USB2.0 Compliant and Full-Speed Transceiver (Dnote7U)

Acceptable for Standard USB Audio Driver (Dnote7U)

 

PIN PROGRAMMABLE CONTROL

Volume Up and Down with Mute

Select Number of BIT for Digital Speaker

Enable I2S Output and Dynamic Range Compressor

 

PROTECTION CIRCUIT

Short Circuit Detection and Shutdown

Thermal Detection and Shutdown

DIGITAL SIGNAL PROCESSING FOR AUDIO

32-BIT Dnote® Technology

Over Sampling Interpolation Filter with Sharp or Slow

Volume : +12dB to -99dB in 1dB Step with Zero Cross

Soft Mute Control : Mute in 1dB Step with Zero Cross

Parametric Dynamic Range Compressor

Parametric 7-Band Equalizer

Parametric 5-Band Biquad IIR Filter

2-Way or Sub Woofer Speaker Mode

Stereo to Monaural Mixing

High Pass Filter for DC Blocking

I2S and Master Clock Output

 

APPLICATION

Automotive Audio System

Docking Station for Smart Phone

USB Speaker, Wireless Speaker, Boom Box

USB Headphone, Wireless Headphone

Lap Top PC, Tablet PC and LCD Monitor

Amusement Machine

Digital TV and Sound Bar

Smart Phone and Cellar Phone

Music Instruments

Audio System for Facility

USB-DAC for PC

 

POWER SUPPLY and PACKAGE

3.0 to 3.6V for Digital (VDD)

3.0 to 3.6V for Driver (VPP)

48 pin QFN (7mm x 7mm)

 

ORDERING INFO

E-mail:  sales@trigence.co.jp