BA8274F

www.DataSheet4U.com BA8274 / F Audio ICs I2C bus line buffer IC BA8274 / F BA8274, BA8274F are buffer ICs that can lengthen the bus line retaining all features and operating mode of I2C bus system. Adoption of this buffer in data and clock line enable to improve the drive capacity and to lengthen the bus line with using standard wire at a low price. zApplications Mini-component stereo, Micro-component stereo and Television. zFeatures 1) Dual, bi-directional, unity voltage gain buffer. 2) I2C bus compatible. 3) 1:10 impedance transformation. 4) Logic signal levels may include both supply and ground. 5) Power supply voltage range is large. zAbsolute maximum ratings (Ta=25°C) Parameter Power supply voltage Power dissipation Operating temperature Storage temperature Symbol VCC Pd Topr Tstg Limits 13.0 800 / 550 −40 to +85 −55 to +125 ∗ ∗ Unit V mW °C °C ∗ For Ta=25°C or more it is reduced at 5.5mW/°C(SOP), 8.0mW/°C (DIP). zRecommended operating conditions (Ta=25°C) Parameter Power supply voltage Symbol VCC Min. 4.5 Typ. − Max. 12 Unit V ∗ I C bus is a trademark of Philips. 2 1/8 www.DataSheet4U.com BA8274 / F Audio ICs zBlock diagram VCC 8 LY 7 SY 6 N.C. 5 Buffer Buffer 1 N.C. 2 LX 3 SX 4 GND zPin descriptions and input output circuits Pin No. Pin Name VCC Equivalent circuit Pin description 2 7 LX LY 35.7 GND A pin for outputting a buffer. VCC 3 6 SX SY 35.7 A pin for inputting a buffer. GND 4 8 GND VCC − − A ground pin. Power supply pin. 2/8...