BU9480F Datasheet PDF learn more.
Part number : BU9480F
Functions : This is a kind of semiconductor, 16-bit stereo D / A converter for audio applications.
Pin arrangement :
Package information :
Manufacturer : Rohm
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The texts in the PDF file :
Multimedia ICs 16-bit stereo D / A converter for audio applications BU9480F The BU9480F is a 16-bit stereo D / A converter designed for audio applications, and has an internal 2 × oversampling circuit. Applications • 16-bit stereo D / A converter for audio applications
Features
• 1) 3.0 to 5.5V operating voltage. 2) Low current consumption because of the CMOS process. 3) Resistor strings method used. 4) 2-channel common phase output. 5) Internal 2 × oversampling interpolator. 6) 8 – pin plastic package. 7) Supports 4fs. (200kHz operation) •Block diagram LRCLK 5 BCLK 7 X2 OVER SAMPLING SDATA 6 DAC DAC SHIFT REGISTER / LATCH 8 X2 OVER SAMPLING V CC 3 GND 4 OUTL 2 REF 1 OUTR •Pin descriptions Pin No. 1 2 3 4 5 Pin name ROUT REF GND LOUT LRCK Function Right channel analog signal output Connects the DA ref. voltage pin and ground Ground Left channel analog signal output The signal that distinguishes between left and right channels for serial data (left channe = high level, right channel = low level). Serial data input Input with 2′ compliment, MSB first. Serial data shift clock input Vcc I/O Low-impedance output High-impedance input — Low-impedance output Logic input Voltage 1 / 2VCC 1 / 2VCC — 1 / 2VCC — 6 7 8 SDAT BCLK VCC Logic input Logic input — — — — 1 Multimedia ICs BU9480F •Absolute maximum ratings (Ta = 25°C) Parameter Applied voltage Power dissipation Operating temperature Storage temperature Input voltage Symbol VDDMax. Pd Topr Tstg Topt Limits 7.0 450∗ – 10 ~ + 70 – 55 ~ + 125 – 0.3 ~ VDD + 0.3 Unit V mW °C °C V ∗ When unmounted, reduced by 4.5mW for each increase in Ta of 1°C over 25°C. •Recommended operating conditions Parameter Power supply voltage Input low level voltage Input high level voltage Symbol VDD VIL VIH Limits 3.0 ~ 5.5 0.0 ~ 0.2 × VDD 0.8 × VDD ~ VDD Unit V V V Electrical characteristics (unless otherwise noted, Ta = 25°C, V • Analog unit characteristics Parameter Current dissipa [ … ]
BU9480F PDF File
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