TC94B15WBG(EB,NKA) Toshiba

TC94B15WBG TOSHIBA CMOS Integrated Circuit Silicon Monolithic TC94B15WBG DAC + Stereo Headphone Amplifier with Electronic Volume The TC94B15WBG is a DAC + stereo headphone amplifier IC. It is built in stereo DAC and an G-class stereo headphone amplifier with electric volume function. It is suitable for mobile phone and digital audio player etc. Features S-UFBGA20-0303-0.50A01 2 I C control Bus Weight: 7.0mg (typ.) DA converter I2S input compatible Marking: B15WBG Data bits : 16bit Sampling rate : 48kHz G-class Headphone Amplifier Output Coupling Capacitor-less Low supply current IDDQ(DVDD) : 1.8mA(Typ.) IDDQ(AVDD) : 2.2mA(Typ.) High Sound Quality : S/N = 92dB(Typ. AES17+CCIR Weighting) Electric Volume : 32steps and mute Package WCSP 20pin , 0.5mm pitch Operating temperature range T(opr) = -30 to 85 Operating supply voltage range: Ta = 25 DVDD(opr) = 1.65 to 1.95V AVDD (opr) = 2.3 to 4.8V 1 2011-12-14 TC94B15WBG Block Diagram To VBAT To VIO CPP1 VREG AVDD CPP2 DVDD DVSS SCL Regulator Charge Pump I2C control SDA HSVDD Short Protection Circuit PLL G-Class H/P Amp. DAC PLL LF HSOUTL L-amp BCLK DAC LPF HSOUTG Volume WCLK I2S Digital Cont. I/F Filter DIN R-Amp DAC LPF HSOUTR Charge Pump HSVSS CPN1 CPN2 AVSS Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purpose. Pin Assignment (Top View : Marking side) A1 A2 A3 A4 A5 AVSS CPP2 CPP1 CPN1 CPN2 B1 B2 B3 B4 B5 PLL LF AVDD VREG DVDD DVSS C1 C3 C4 C2 C5 SDA SCL HS OUTG HSVDD HSOUTL D5 D1 D2 D3 D4 BCLK WCLK DIN HSOUTR HSVSS 2 2011-12-14