LV3313PM-TLM-E Datasheet, PDF (15/18 Pages) ON Semiconductor – Electronic Volume IC for Car Audio Systems

Continued from preceding page.
Pin No.
Pin name
41
Vref
LV3313PM
Function
Connect a capacitor of a few tens of uF
between Vref and AVSS (VSS) as a 0.55 
VDD voltage generator, current ripple
countermeasure.
15
VREG
Internal logic voltage pin.
Equivalent Circuit
VDD
-
+
LVref
RVref
VDD
-
+
37
VDD
20
AVSS
38
MUTE
Power supply pin.
Ground pin.
External muting control pin.
Setting this pin to VSS level sets forcibly fader
volume block to - level.
VDD
27
LF1C1
26
LF1C2
25
LF1C3
7
RF1C1
8
RF1C2
9
RF1C3
Capacitor connection pins for configuring
equalizer bass band filter.
Connect a capacitor between LF1C1 (RF1C1)
and LF1C2 (RF1C2), and between
LF1C2 (RF1C2) and LF1C3 (RF1C3).
VDD
+
-
28
LF3C1
6
RF3C1
17
CL
18
DI
19
CE
Capacitor connection pins for configuring
equalizer treble band filter.
Connect a high band compensation capacitor
between LF3C1 (RF3C1) and VSS.
Input pin for serial data and clock used for
control.
Chip enable pin.Data is written to the internal
latch and the analog switches are operated
when the level changes from High to Low. Data
transfer is enabled when the level is High.
VDD
F1C1
F1C2
VDD
VDD
F1C3
Vref
VDD
F3C1
VDD
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No.A1257-15/18