LV3328PM Datasheet, PDF (8/26 Pages) Sanyo Semicon Device – For Car Audio Systems Electronic Volume IC

Continued from preceding page.
Pin No.
Pin
25
LVROUT
9
RVROUT
LV3328PM
Function
Tone output pins.
24
LFIN
10
RFIN
Fader block input pins.
Drive at low impedance.
Equivalent Circuit
VDD
-
+
VDD
23
LFOUT
22
LROUT
11
RFOUT
12
RROUT
Fader output pins.Attenuation is possible
separately for the front end and rear end.
41
VREF
Connect a capacitor of a few tens of uF
between VREF and AVSS (VSS) as a 0.5 ×
VDD voltage generator, current ripple
countermeasure.
38
VREG
Internal logic voltage pin.
37
VDD
20
AVSS
14
DVSS
39
MUTE
Power supply pin.
Analog ground pin.
Digital ground pin
External muting control pin.
Setting this pin to VSS level sets forcibly fader
volume block to -∞ level.
LVref
RVref
-
+
VDD
-
+
LVref
RVref
-
+
VREG
VDD
VDD
VDD
VREG
15
TIM
Timer pin when there is no signal in the zero
cross circuit.Forcibly set data when there is no
zero cross signal, from the time the data is set
until the timer ends.
VDD
VREG
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