Read Harman Kardon HK 980 (serv.man5) Service Manual online
NJW1159
2-CHANNEL ELECTRONIC VOLUME
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■ GENERAL DESCRIPTION ■
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■ PACKAGE OUTLINE
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. It’s available for two-channel stereo
and or multi-channel audio volume.
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. It’s available for two-channel stereo
and or multi-channel audio volume.
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■ FEATURES
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Operating Voltage
±4.5 to ±7.5V
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Three-Wired Serial Data Control
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Chip Selector
available for using four chips on same serial bus line.
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Volume
0 to -95dB/1dBstep, MUTE
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Bi-CMOS Technology
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Package Outline
SSOP16, DMP16, DIP16
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■ BLOCK DIAGRAM
NJW1159V
NJW1159M
NJW1159D
IN L
IN R
OUT L
OUT R
Inter-face
& Logic
VOL 1
VOL 2
3 Wired
Control Data
CE0
CE1
Bias
V+
V-
GND
B OUT L
B OUT R
9
harman/kardon
HK 980/230 Service Manual
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