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PDF LC75373E Data sheet ( Hoja de datos )
| Número de pieza | LC75373E | |
| Descripción | Electronic Volume Control for Car Stereo Systems | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : EN5588
CMOS LSI
LC75373E
Electronic Volume Control
for Car Stereo Systems
Overview
The LC75373E is an electronic volume control that can
implement volume, balance, fader, bass/treble + super
bass, loudness, input switching, and input/output level
control functions with a minimal number of external
components.
Functions
• Volume: Provides 81 positions, from 0 dB to –79 dB (in
1-dB steps) and –∞. A balance function can be
implemented by controlling the left and right channels
independently.
• Fader: This function can attenuate either the rear or the
front outputs over 16 positions. (From 0 to –20 dB in
2-dB steps, from –20 to –25 dB in one 5-dB step, from
–25 to –45 dB in 10-dB steps, –60 dB, and –∞.)
• Bass/treble: Forms an NF-type tone control circuit with
the addition of external capacitors. The base and treble
controls each have 15 positions.
• Input gain: The input signal can be amplified from 0 dB
to +18.75 dB in 1.25 dB steps.
• Output gain: One of two output of 0 dB and + 6.5 dB
can be selected for fader output.
• Input switch: The signal can be selected from one of
four inputs for each of the left and right channels.
• Super bass: The position of super bass can be controlled
in 11 steps.
Features
• On-chip buffer amplifiers for a minimum of external
components.
• Built-in reference voltage generation circuit
• Serial data input: Supports CCB format communication
with the system controller.
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Package Dimensions
unit: mm
3148-QFP44MA
[LC75373E]
SANYO: QIP44MA
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Parameter
Maximum supply voltage
Maximum input voltage
Operating temperature
Storage temperature
Symbol
VDD max
VIN max
Topr
Tstg
VDD
CL, DI, CE
Conditions
Ratings
11
VSS – 0.3 to VDD + 0.3
–40 to +85
–50 to +125
Unit
V
V
°C
°C
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
22798HA (OT) No. 5588-1/21
1 page  
2. When super bass circuit 2 (Type T) is used
LC75373E
Unit (capacitance: F)
Unit (resistance: Ω)
No. 5588-5/21
5 Page 
Tone Control Block Equivalent Circuit
LC75373E
No. 5588-11/21
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LC75373E.PDF ] | |
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