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