TA2078P
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA2078P
Preset Equalizer IC
TA2078P is a 3 mode preset equalizer IC.
This IC have built-in one middle boost and two type high/low
boost equalizers and flat mode.
These operation mode are controled by internal switch.
Features
·
·
Dual channel
3 mode preset equalizer
1) Middle boost
2) High/Low boost-1
3) High/Low boost-2
4) Flat (No equalizing)
·
·
·
Few external parts
Dual inline package 16 pin
Operating supply voltage range
: V
CC (opr)
= 7.5~14.0 V (Ta = 25°C)
Weight: 1.00 g (typ.)
1
2002-03-05
TA2078P
Maximum Ratings
(Ta = 25°C)
Characteristics
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Symbol
V
CC
P
D
(Note)
T
opr
T
stg
Rating
14
750
−25~75
−55~150
Unit
V
mW
°C
°C
Note:
Derated above Ta = 25°C in the proportion of 6 mW/°C.
Electrical Characteristics
(unless otherwise specified, V
CC
= 10 V, R
g
= 620
Ω,
R
L
= 10 kΩ, f = 1 kHz, Normal Mode,
Ta = 25°C)
Characteristics
Operating voltage
Symbol
V
CC
I
CCQ1
Quiescent current
I
CCQ2
I
CCQ3
I
CCQ4
Voltage gain
Maximum output voltage
Total harmonic distortion
Ripple rejection ratio
Cross talk
Output noise voltage
G
V
V
om
THD
R.R.
C.T.
V
no
Test
Circuit
―
―
―
―
―
―
―
―
―
―
―
THD = 1%
V
in
= 200 mVrms
V
rip
= 300 mVrms,
f
rip
= 100 Hz
V
in
= 350 mVrms
R
g
= 620
Ω,
DIN AUDIO filter
Normal mode
Rock mode
Classic mode
Pop mode
―
Test Condition
―
(A = L, B = L)
(A = H, B = L)
(A = L, B = H)
(A = H, B = H)
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
dB
Vrms
%
dB
dB
µVrms
mA
Unit
V
Control Switch Voltage
Control Voltage for 10/9 pin
“H” Input
“L” Input
2.0 V~V
CC
0~0.8 V or Open
Operation Mode
A (10 pin)
Normal
Rock
Classic
Pop
L
H
L
H
B (9 pin)
L
L
H
H
Boost Frequency
Flat (No equalizing)
High/Low boost-1
High/Low boost-2
Mid boost
3
2002-03-05
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