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Agamem Microelectronics Inc.
AA8335
www.DataSheet4U.com
PRELIMINARY
SOUND EFFECT PROCESSOR
DESCRIPTION
Made by Bipolar devices, AA8335 is a sound effect processor, applying for products like
LCD TV, home theater, PC, notebook and car stereo. We apply the QEQ technologies
such as “phase conversion” and “delay compensation”. Except for “clear and crystal” tone
quality the main feature of the “play back” sound effect consists in powerful bass whereas
a fine treble.
Note 1: QEQ® is sound effect technology owned by QSound
Labs, Inc...
Note 2: Agamem has got licensing agreement of QEQ® from
QSound Labs, Inc...
FEATURES
•Simple External Circuit
• Operation Voltage : (4.5 V ~ 13V)
• Independent two sections of controlling switch: High Band( 6dB or 9dB)Low
Band( 6dB or 9dB)
• Bypass
: (0dB SEP_OFF)
• Package Outline
: PDIP20L, TSSOP20L
APPLICATIONS
• Sound effect processor for LCD TV, home theater, PC, notebook and car stereo.
BLOCK DIAGRAM
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/3/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

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Agamem Microelectronics Inc.
AA8335
www.DataSheet4U.com
PRELIMINARY
SOUND EFFECT PROCESSOR
PIN DESCRIPTIONS
IN-R
HF-R
CR1-R
MF-R
CR2-R
LF-R
OUT-R
HI-CONTROL
LO-CONTROL
SEP
1
2
3
4
5
6
7
8
9
10
20 IN-L
19 HF-L
18 CL1-L
17 MF-L
16 CL2-L
15 LF-L
14 OUT-L
13 VREF
12 Vcc
11 GND
TOP VIEW
PIN NO.
1
2
3
4
5
6
7
8
PIN NAME
IN-R
HF-R
CR1-R
MF-R
CR2-R
LF-R
OUT-R
HI
CONTROL
PIN FUNCTION
Input pin R
High frequency (right)
Capacitance 1 & Resistor 1 (right)
Middle frequency (right)
Capacitance 2 & Resistor 2 (right)
Low frequency (right)
Output pin R
Control switch 9dB
9
LO
CONTROL
Control switch 6dB
10 SEP 6dB & 9dB function control
11 GND Ground
12 VCC Power supply
13 VREF Reference voltage
14 OUT-L Output pin L
15 LF-L Low frequency (left)
©Copyright Agamem Microelectronics Inc.
2
www.agamem.com.tw 2008/3/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

No Preview Available !

Agamem Microelectronics Inc.
AA8335
www.DataSheet4U.com
PRELIMINARY
SOUND EFFECT PROCESSOR
PIN NO. PIN NAME PIN FUNCTION
16 CR2-L Capacitance 2 & Resistor 2 (left)
17 MF-L Middle frequency (left)
18 CR1-L Capacitance 1 & Resistor 1 (left)
19 HF-L High frequency (left)
20 IN-L Input pin L
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
Vcc
PD
Topr
Tstg
RATING
15
(DIP20) 700
(TSSOP) 300
-40~+85
-40~+125
Ta=25
UNIT
V
mW
WARNING: Semiconductor devices can be permanently damaged by application of
stress (voltage, current, temperature, etc.) in excess of absolute maximum ratings. Do
not exceed these ratings.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
CONDITIONS
Vcc
Icc
VREF
VthH
VthL
Vinmax
Operation Voltage
Supply Current
Reference Voltage
SEP Control
Voltage Threshold
Maximum Input
Voltage
f = 1KHz, RL=10KΩ
TA = 25°C, VCC = 9V
LIMITS
UNIT
MIN TYP MAX
4.5 9.0 13.0 V
- 13 17.0 mA
4.0 4.5 5.0
V
V
2.0 - VCC
0-
2.8 -
0.5 V
- Vrms
©Copyright Agamem Microelectronics Inc.
3
www.agamem.com.tw 2008/3/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

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Agamem Microelectronics Inc.
AA8335
www.DataSheet4U.com
PRELIMINARY
SOUND EFFECT PROCESSOR
SYMBOL PARAMETER
GBYP
dB1
dB2
dB3
dB4
dB5
Bypass
dB Level
CONDITIONS
f = 1KHz Vin=0.1Vrms
f=20HZ
f=20HZ
f=1KHZ
f=20KHZ
f=20KHZ
LIMITS
MIN TYP MAX
-1 0
1
5.0 6.0 7.0
8.0 9.0 10
-1.2 -0.2 0.8
5.0 6.0 7.0
8.0 9.0 10
UNIT
dB
dB
dB
dB
dB
dB
SWITCH CONTROL
SEP
High Band Control
Low Band Control
H
L
H
L
H
L
SEP ON
BYPASS
9.0dB
6.0dB
9.0dB
6.0dB
©Copyright Agamem Microelectronics Inc.
4
www.agamem.com.tw 2008/3/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

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Agamem Microelectronics Inc.
AA8335
www.DataSheet4U.com
PRELIMINARY
SOUND EFFECT PROCESSOR
MEASURING CIRCUIT
©Copyright Agamem Microelectronics Inc.
5
www.agamem.com.tw 2008/3/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER
NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT
ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESRIBED
HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.