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Silan Microelectronics

SA2078 Datasheet Preview

SA2078 Datasheet

PRESET EQUALIZER CIRCUIT

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SA2078
PRESET EQUALIZER CIRCUIT
DESCRIPTION
SA2078 is a 3 mode preset equalizer circuit.
This IC has built-in one middle boost and two type high/low boost
equalizers and flat mode.
These operation modes are controlled by internal switch.
FEATURES
* Dual channel
* 3 mode preset equalizer
* Few external parts
* Operating supply voltage range: VCC (opr)=7.5~14V (Tamb=25°C)
DIP-16
APPLICATIONS
* Radio/cassette recorders and car audio systems,etc…
ORDERING INFORMATION
Device
SA2078
Package
DIP-16-300-2.54
BLOCK DIAGRAM
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ABSOLUTE MAXIMUM RATING (Tamb=25°C)
Characteristics
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC
PD (note)
Topr
Tstg
Rating
14
750
-25~75
-55~150
Unit
V
mW
°C
°C
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.10.28
Page 1 of 4




Silan Microelectronics

SA2078 Datasheet Preview

SA2078 Datasheet

PRESET EQUALIZER CIRCUIT

No Preview Available !

SA2078
ELECTIVAL DHARACTERISTICS (Unless otherwise specified, VCC=10V, Rg=620, RL=10K, f=1kHz,
Normal mode, Tamb=25°C)
Characteristics
Symbol
Test condition
Operating Voltage
VCC --
ICCQ1 Normal mode (A=L, B=L)
Quiescent Current
ICCQ2 Rock mode (A=H, B=L)
ICCQ3 Classic mode (A=L, B=H)
ICCQ4 Pop mode (A=H, B=H)
Voltage Gain
GV --
Maximum Output Voltage
Vom THD=1%
Total Harmonic Distortion
THD VIN=200mVrms
Ripple Rejection Ratio
R.R. Vrip=300mVrms, frip=100Hz
Cross Talk
C.T. VIN=350mVrms
Output Noise Voltage
Vno Rg=620, DIN AUDIO filter
Notes: “H”input 2.0V~VCC; “L”input 0~0.8V or open
Min.
7.5
--
--
--
--
12.0
2.5
--
--
--
--
Typ.
--
2.5
4.2
4.6
4.5
14.0
3.0
0.01
-56
-70
20
Max.
14.0
5.0
9.0
9.0
9.0
16.0
--
0.1
--
-60
30
Unit
V
mA
dB
Vrms
%
dB
dB
µVrms
PIN CONFIGUREATIONS
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IN1+ 1
OUT1 2
FB1_3 3
FB1_2 4
IN1- 5
FB1_1 6
VCC 7
GND 8
16 IN2+
15 OUT2
14 FB2_3
13 FB2_2
12 IN2-
11 FB2_1
10 CONTROL2
9 CONTROL1
PIN DESCRIPTION
Pin no.
1
2
3
4
5
6
7
8
9
10
11
Pin name
IN1+
OUT1
FB1_3
FB1_2
IN1-
FB1_1
VCC
GND
CONTROL1
CONTROL2
FB2_1
Description
Positive input of channel 1
Output of channel 1
Feedback setting 3 of channel 1
Feedback setting 2 of channel 1
Negative input of channel 1
Feedback setting 1 of channel 1
VCC
GND
Modes setting
Feedback setting 1 of channel 2
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
(To be continued)
REV:1.0 2004.10.28
Page 2 of 4


Part Number SA2078
Description PRESET EQUALIZER CIRCUIT
Maker Silan Microelectronics
Total Page 4 Pages
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