NJW1109

NJW1109 Headphone Amplifier with Electronic Volume www.datasheet4u.com s GENERAL DESCRIPTION The NJW1109 is a headphone amplifier with electronic volume. It includes widely gain adjustable volume, +20 to –80 dB, and mute 2 function. These are controlled by I C bus. The NJW1109 is suitable for headphone output on TV set. s PACKAGE OUTLINE NJW1109D NJW1109M NJW1109V s FEATURES q Operating Voltage q Electronic Volume 2 q I C Bus Interface q Bi-CMOS Technology q Package Outline s BLOCK DIAGRAM 7.5 to 10 V +20dB to -80dB / 0.5dB step, Mute DIP14, DMP14, SSOP14 CAPa SDA SCL IC Interface 2 ADR OUTa IN a VOL IN b VOL OUTb Bias Vref CAPb s PIN FUNCTION No. 1 1 14 2 3 4 5 7 8 6 7 SYMBOL V+ GND V+ OUTb N.C. CAPb INb ADR SDA FUNCTION Power Supply Bch Output No Connect Balance control click noise absorbing capacitor connect terminal Bch Input I2C Bus Slave Address Select I2C Bus Data Input No. 8 9 10 11 12 13 14 SYMBOL SCL Vref INa CAPa N.C. OUTa GND FUNCTION I2C Bus Clock Input Reference voltage stabilized capacitor connect terminal Ach Input Volume control click noise absorbing capacitor connect terminal No Connect Ach Output Ground –1– NJW1109 s ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER SYMBOL Supply Voltage www.datasheet4u.com RATING 12 500 (DIP14) 500* (DMP14) 440* (SSOP14) -20 to +75 -40 to +125 UNIT V mW °C °C V + Power Dissipation Operating Temperature Range Storage Temperature Range PD Topr Tstg *(Note) EIA/JEDEC STANDARD Test board(76.2 x 1...