SM7346 Datasheet, PDF (14/18 Pages) SamHop Microelectronics Corp. – 6 CHANNELS VOLUME CONTROLLER

SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SM7346
SIGNAL PROCESSING DIAGRAM
BYPASS
3.3 μF
TONE in
TONE CONTROL
(+10dB to -10dB)
BASS
TREBLE
+
3.3 μF
_
70KΩ
+
+
_
_
70KΩ
VOLUME Lch, Rch
(0dB to -∞dB)
3.3 μF
+
70KΩ
_
VOLUME in
3.3 μF
0.015μF 0.33μF
8200pF
VOLUME Cch,SWch,SLch,SRch(0dB to -∞dB)
3.3 μF
+
_
Note:
(1) The resistance value of Volume change about 18 to 22KΩ by attenuated condition.
(2) No built in a zero cross circuit.
(3) When the mode changed (BYPASS/TONE), it is necessary the muting function.
CLK, DATA, LATCH
DVDD(=5V)
S
INPUT: Schmitt trigger type
OUTPUT PORT
OUTPUT port:
PMOS transistor open drain
3.3 μF
Page 14
MAY.2003