2-Channel Electronic Volume; General Description; Features; Package Outline - Harman Kardon HK 980/230 Service Manual

harman/kardon
■ ■ ■ ■ GENERAL DESCRIPTION
NJW1159 is a two channel electronic volume IC. It
is included output buffer amplifier and also resistor
output terminal for using external amplifier to
customize for your application. These functions are
controlled by three-wired serial data. And the chip
selector is available for using four chips on same
serial bus line. Itís available for two-channel stereo
and or multi-channel audio volume.
■ ■ ■ ■ FEATURES
● Operating Voltage
● Three-Wired Serial Data Control
● Chip Selector
● Volume
● Bi-CMOS Technology
● Package Outline
■ ■ ■ ■ BLOCK DIAGRAM

2-CHANNEL ELECTRONIC VOLUME

±4.5 to ±7.5V
available for using four chips on same serial bus line.
0 to -95dB/1dBstep, MUTE
SSOP16, DMP16, DIP16
IN L
VOL 1
IN R
VOL 2
CE0
Inter-face
CE1
& Logic
3 Wired
Control Data
■ ■ ■ ■ PACKAGE OUTLINE
NJW1159V
B OUT L
OUT L
B OUT R
OUT R
V+
GND
Bias
V-
9
HK 980/230 Service Manual
NJW1159
NJW1159M
NJW1159D
Page 10 of 50