BU32107-车载音响应用音效DSP

General Description The BU32107EFV-M is a Sound Processor for Car Audio Systems that includes DSP, Codec(ADC, DAC) and Fader Volume. It achieves very low Output Noise Voltage, 2μVrms(Typ)(Fader Volume=-∞dB). Therefore, low noise Car Audio Systems can be realized easily by using BU32107EFV-M. 

Features 
■ AEC-Q100 Qualified(Note 1) ■ 2ch ⊿ Σ ADC: S/N=100dB ■ 6ch ⊿ Σ DAC: S/N=100dB ■ 6ch Independent Analog Fader Volume ■ Digital 4 Inputs/Outputs ■ Sampling Rate Converter(SRC) fS: 8k/16k/24k/32k/44.1k/48k/88.2k/96kHz (S/PDIF fS: 16k/24k/32k/44.1k/48k/88.2k/96kHz) ■ Analog Single-end: max 5 Inputs ■ Analog Mixing Single-end: max 4 Inputs ■ Hard Logic DSP 13-Band EQ + 3-Band Tone, Loudness, X’over Filter, P2Bass, 16-Band Spectrum Analyzer, Noise Gen, Scaler, Time Alignment, DVol(Att/Boost/Output2), BEEP ■ Time Alignment 2ch-input Mode: 21.3ms/ch, 4ch-input Mode: 10.6ms/ch

Key Specifications 
■ Analog Power Supply Voltage:          4.75V to 6.00V 
■ Digital Power Supply Voltage:           3.00V to 3.60V 
■ Operating Temperature:                -40°C to +85°C 
■ Maximum Input/Output Voltage:            2Vrms(Typ) 
■ Output Noise Voltage(Fader Volume=-∞dB):2μVrms(Typ) 
■ S/NAD(Input Selector-ADC-DOUT):         100dB(Typ) 
■ S/NDA(DIN-DAC-Fader Volume OUT):       99dB(Typ) 

Package 
W(Typ) x D(Typ) x H(Max) HTSSOP-B54         18.50mm x 9.50mm x 1.00mm (0.65mm pitch) 

BD94121F_LCD背光 白光LED驱动芯片

General Description BD94121F is a current resonance type LED Driver with frequency-controlled LED current. It can connect to PFC directly and can use half-bridge structure reducing the number of external components. It incorporates some protection functions against fault conditions such as Over-Voltage Protection, LED Short Detection (IS High Detection) and LED Open Detection (IS Low Detection). 

Features 
 20V High Rating Process  1 Channel Push-pull Control  Current and Voltage Feedback by Driving Frequency  Adjustable Soft Start  Adjustable Timer Latch  Under-Voltage Detection for IC’s Power Line  Output Over-Voltage Protection  Output Error Signal from FAIL Terminal  Shift to Save Mode by STB Terminal  Burst Control by External PWM Signal  Analog Dimming by External DC Signal  Conversion Function from Pulse to DC 
Key Specifications 
 Operating Power Supply Voltage Range:                                  9.0V to 18.0V 
 Minimum Oscillator Frequency:       67kHz        (RRT=27kΩ,RADJ=44kΩ,VFB=3.2V)
 Operating Current:              2.3mA (Typ) 
 Operating Temperature Range:  -40°C to +85°C 

Package           W(Typ) x D(Typ) x H(Max) SOP18          11.20mm x 7.80mm x 2.01mm Pin pitch   1.27m