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LA2650 Datasheet

  • LA2650

  • Bass Boost IC

  • 311.02KB

  • 13頁

  • SANYO

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Ordering number : EN5652
Monolithic Linear IC
LA2650
Bass Boost IC
Overview
The LA2650 is a bass boost IC developed for use in mini-
component stereo systems, TV sets, and radio/cassette
player products. The cutoff frequency is determined by
external capacitors, and the boost gain, addition level, and
boost on/off state can be controlled by a microcontroller.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Left and right channel boost addition on/off
Bass output pin for use in 3D systems
Boost on/off
LED on/off
8-bit serial microprocessor interface
Package Dimension
unit: mm
3021B-DIP20
[LA2650]
Features
鈥?The bass boost gain is variable over a maximum range
of 20 to 35 dB in 5-dB steps, and the addition level into
the left and right channels can be controlled over a 0 to
鈥?5 dB range in 3-dB and 5-dB steps. This allows an
optimal boost for the source and volume to be acquired
using microprocessor control.
鈥?Includes two AGC circuits on chip: a level limiter (2 V
rms) for the maximum input in low-frequency boost
mode and a non-clipping limiter (i.e. clip prevention)
circuit.
鈥?Can be switched between 2D and 3D systems.
Functions
鈥?Variable boost gain (20, 25, 30, and 35 dB)
鈥?Boost level limiter, non-clipping limiter
鈥?Variable boost addition level (0, 鈥?, 鈥?, 鈥?, 鈥?5, 鈥?0,
鈥?5, and 鈥?5 dB)
SANYO: DIP20
Specifications
Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
max
Pd max
Topr
Tstg
Ta
鈮?/div>
70擄C
Conditions
Ratings
12
450
鈥?5 to +70
鈥?0 to +150
Unit
V
mW
擄C
擄C
Operating Conditions
at Ta = 25擄C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
V
CC
V
CC
op
Conditions
Ratings
9
5 to 10
Unit
V
V
Control Data Input Voltage Levels
Parameter
Low-level voltage
High-level voltage
Symbol
V
IL
V
IH
Conditions
Ratings
0 to 1.5
3.5 to
*5.5
Unit
V
V
Note: When V
CC
is under 5.7 V, the maximum value shall be V
CC
鈥?0.2 V.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
43097HA(OT) No. 5652-1/13

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