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Sanyo Electric Components Datasheet

LC7527E Datasheet

Graphic Equalizer System

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LC7527E pdf
Ordering number : EN4466B
CMOS LSI
LC7527E
Graphic Equalizer System
Overview
The LC7527E is a microprocessor controllable seven-band
graphic equalizer LSI that does not require the use of
external semiconductor inductors (simulated inductors).
Functions
• Left and right channel seven-band graphic equalizers
• Each band operates in ±2 dB steps.
• Each band has a maximum boost of +12 dB and a
maximum cut of –12 dB for a total of 13 settings.
• Independent left and right channel operation
• Serial data input supports CCB format communications
with the system controller.
• CMOS LSI with a 12 V breakdown voltage
Package Dimensions
unit: mm
3159-QFP64E
[LC7527E]
Features
• This LSI, in conjunction with a control microprocessor,
can implement in two chips, an electronic graphic
equalizer with the following features.
— One touch gain control for each band
— One touch memory setting recall allows users to
select desired frequency characteristics for each
track.
— Since the LC7527E includes band filter amplifiers
on chip, capacitors are the only external components
required in application systems.
— Minimal switching noise due to the use of a Silicon
gate CMOS process.
• 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.
SANYO: QFP64E
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O3096HA(OT)/90894TH (OT) 4466-1/11


Sanyo Electric Components Datasheet

LC7527E Datasheet

Graphic Equalizer System

No Preview Available !

LC7527E pdf
LC7527E
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Maximum supply voltage
Maximum input voltage
Allowable power dissipation
Operating temperature
Storage temperature
Note: * –6 V VEE VSS VDD
Symbol
Conditions
VDD-VEE max
VIN max1
VIN max2
VIN max3
Pd max
AVDD, AVEE, DVDD, DVEE*
CL, DI, CE
LIN1, LIN2, RIN1, RIN2
S1
Ta 85°C
Topr
Tstg
Allowable Operating Ranges at Ta = 25°C, VSS = 0 V
Parameter
Supply voltage
Input high level voltage
Input low level voltage
Input amplitude voltage
Clock pulse width
Setup time
Hold time
Operating frequency
Symbol
Conditions
VDD
VEE
VDD-VEE
VIH
VIL
VIN1
VIN2
tøW
tsetup
tHOLD
fopg
AVDD, DVDD
AVEE, DVEE
AVDD, AVEE, DVDD, DVEE
CL, DI, CE
CL, DI, CE
LIN1, LIN2, RIN1, RIN2
S1
CL
CL, DI, CE
CL, DI, CE
CL
Ratings
12
VSS – 0.3 to VDD + 0.3
VEE – 0.3 to VDD + 0.3
VEE – 0.3 to VDD + 0.3
280
–40 to +85
–50 to +125
Unit
V
V
V
V
mW
°C
°C
min
8.0
3.0
VSS
VEE
VEE
1
1
1
Ratings
typ
5
–5
max
11.0
VDD
1.0
VDD
VDD
500
Unit
V
V
V
V
V
Vp-p
V
µs
µs
µs
kHz
Electrical Characteristics at Ta = 25°C, VDD = 5 V, VEE = –5 V, VSS = 0 V
Parameter
Total harmonic distortion
Crosstalk
Setting error
Current drain
Analog switch off leakage current
Symbol
Conditions
THD (1)
THD (2)
THD (3)
THD (4)
CT
B
IDD
IOFF
VOUT = 1 Vrms, FLAT, f = 20 kHz
VOUT = 1 Vrms, FLAT, f = 1 kHz
VOUT = 300 mVrms, FLAT, f = 20 kHz
with all bands at full boost
VOUT = 300 mVrms, FLAT, f = 1 kHz
with all bands at full boost
VOUT = 1 Vrms, f = 20 kHz, FLAT, Rg = 1 k
with other bands flat
VDD-VEE = 11 V
LIN1, LIN2, RIN1, RIN2
Ratings
min typ
0.01
0.001
0.042
0.045
58
–2
max
0.05
0.005
0.2
Unit
%
%
%
0.2 %
dB
+2 dB
30 mA
10 µA
No. 4466-2/11


Part Number LC7527E
Description Graphic Equalizer System
Maker Sanyo Semicon Device
Total Page 11 Pages
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