NJW1109
NJW1109 is Headphone Amplifier manufactured by New Japan Radio.
Headphone Amplifier with Electronic Volume
.. 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
ADR OUTa
IN a
IN b
OUTb
Bias
Vref
CAPb s PIN FUNCTION
No. 1 1 14 2 3 4 5 7 8 6...
