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LV1100 Datasheet

  • LV1100

  • Digital Surround Audio Signal-Processing IC

  • 10頁

  • SANYO

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Ordering number : EN5506
Bi-CMOS LSI
LV1100
Digital Surround Audio Signal-Processing IC
Overview
The LV1100 is an audio signal-processing Bi-CMOS LSI
that integrates input and output filters, a delay line (built-
in memory), and a delay/reverb function with a maximum
delay of 120 ms on a single chip. It also provides built-in
fixed matrix (L+R, L鈥揜) and front mixing (with level and
phase switching) functions. A full complement of
surround modes can be easily implemented by combining
these functions.
Package Dimensions
unit: mm
3067-DIP24S
[LV1100]
Functions and Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Input switching (L+R, L鈥揜, IN鈥揂)
On-chip memory (12K SRAM)
Front adder (+3 dB, 0 dB, 鈥? dB, -鈭?
Input and output filters
Input filter 鈥? kHz low-pass filter
Output filter 鈥? kHz low-pass filter: switchable with a
3 kHz low-pass filter
On-chip V
DD
circuit
Input and output muting function
A simulated surround system can be easily implemented
with only one chip.
ADM A/D and D/A converters
Variable delay times
鈥?Short mode; Maximum delay: 60 ms. Delay time
selectable from six delay times in 10-ms steps.
鈥?Long mode; Maximum delay: 120 ms. Delay time
selectable from six delay times in 20-ms steps.
SANYO: DIP24S
Specifications
Absolute 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
420
鈥?5 to +70
鈥?0 to +125
Unit
V
mW
擄C
擄C
Allowable Operating Ranges
at Ta = 25擄C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
V
CC
V
CC
opg
Conditions
Ratings
9
8 to 10
Unit
V
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
83196HA (OT) No. 5506-1/10

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