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 1.27mm
