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PDF LV3328PM Data sheet ( Hoja de datos )
| Número de pieza | LV3328PM | |
| Descripción | Electronic Volume IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA1657
LV3328PM
Bi-CMOS LSI
For Car Audio Systems
Electronic Volume IC
Overview
The LV3328PM is an electronic volume and tone IC implements a rich set of audio control functions with a minimal
number of external components. Functions include input selection switching function, an input gain, volume, loudness,
balance, fader, general-purpose ports and bass/mid/treble control.
Features
• It is possible to eliminate from the external components of equalizer control block by SCF technology.
• Zero-cross switching circuits (Volume control block , Fader control block and General purpose volume block), soft step
(3 band equalizer control) and soft mute circuits used for low noise even when input signals are present.
• Low power consumption due to the use of BiCMOS process.
Functions
• Input switching :
Single-end inputs (3 input systems).
Single-end inputs (2 input systems) or differential input (1 input system).
Differential input (1 input system).
• Input gain control :
The input single can be amplified by 0 to +18dB (1dB steps.)
• Loudness control :
Taps are output starting at the -32dB position of the ladder resistor and a loudness function implemented with external
capacitor and resistor components.
• Volume control : +10dB to -79dB/-∞ (1dB steps)
L/R independent control.
• Bass control :
The bass control gain can be maximum boost +20dB position and maximum cut -20dB position.
( +20dB to -20dB in 1dB steps.)
The bass control center frequency 60Hz/70Hz/100Hz/120Hz can be selected.
The bass control quality factor 1.0/2.0 can be selected.
Continued on next page.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
40710 SY 20100129-S00004 No.A1657-1/26
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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Pin Assignment
LV3328PM
33 32 31 30 29 28 27 26 25 24 23
L2 34
L1 35
EXLIN 36
VDD 37
VREG 38
MUTE 39
TEST1 40
VREF 41
EXRIN 42
R1 43
R2 44
22 LROUT
21 EXLOUT
20 AVSS
19 TEST2
18 DATA
17 CLK
16 LEVDET
15 TIM
14 DVSS
13 EXROUT
12 RROUT
1 2 3 4 5 6 7 8 9 10 11
PCA01517
No.A1657-5/26
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
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LV3328PM
DATA
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
DATA_1(input selection(1))
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 0 0 0 INMUTE
1 0 0 0 0 0 0 0 L1(R1):INPUT(1) setting
0 1 0 0 0 0 0 0 L2(R2):INPUT(1) setting
1 1 0 0 0 0 0 0 L3(R3):INPUT(1) setting
0 0 1 0 0 0 0 0 L4(R4):INPUT(1) setting
1 0 1 0 0 0 0 0 L5(R5):INPUT(1) setting
0 1 1 0 0 0 0 0 L6(R6):INPUT(1) setting
1 1 1 0 0 0 0 0 L7(R7):INPUT(1) setting*1
*1: The input is switched to the difference stereo input.(object chanel…L4(L7M),L5(L7P),R4(R7M),R5(R7P))
DATA_2(input selection(2))
D7 D6 D5 D4 D3 D2 D1 D0
0 0 0 0 0 0 0 0 INMUTE
1 0 0 0 0 0 0 0 L1(R1):INPUT(2) setting
0 1 0 0 0 0 0 0 L2(R2):INPUT(2) setting
1 1 0 0 0 0 0 0 L3(R3):INPUT(2) setting
0 0 1 0 0 0 0 0 L4(R4):INPUT(2) setting
1 0 1 0 0 0 0 0 L5(R5):INPUT(2) setting
0 1 1 0 0 0 0 0 L6(R6):INPUT(2) setting
1 1 1 0 0 0 0 0 L7(R7):INPUT(2) setting*2
*2: The input is switched to the difference stereo input. (object chanel…L4(L7M),L5(L7P),R4(R7M),R5(R7P))
DATA_3,DATA_4(input gain control)
D7 D6 D5 D4 D3 D2 D1 D0 DATA_3:Lch side
DATA_4:Rch side
0 0 0 0 0 0 0 0 0dB
1 0 0 0 0 0 0 0 +1dB
0 1 0 0 0 0 0 0 +2dB
1 1 0 0 0 0 0 0 +3dB
0 0 1 0 0 0 0 0 +4dB
1 0 1 0 0 0 0 0 +5dB
0 1 1 0 0 0 0 0 +6dB
1 1 1 0 0 0 0 0 +7dB
0 0 0 1 0 0 0 0 +8dB
1 0 0 1 0 0 0 0 +9dB
0 1 0 1 0 0 0 0 +10dB
1 1 0 1 0 0 0 0 +11dB
0 0 1 1 0 0 0 0 +12dB
1 0 1 1 0 0 0 0 +13dB
0 1 1 1 0 0 0 0 +14dB
1 1 1 1 0 0 0 0 +15dB
0 0 0 0 1 0 0 0 +16dB
1 0 0 0 1 0 0 0 +17dB
0 1 0 0 1 0 0 0 +18dB
No.A1657-11/26
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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