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NXP
NXP

TDA7057AQ Datasheet

2 x 8 W stereo BTL audio output amplifier with DC volume control


TDA7057AQ Datasheet Preview


INTEGRATED CIRCUITS
DATA SHEET
TDA7057AQ
2 × 8 W stereo BTL audio output
amplifier with DC volume control
Product specification
Supersedes data of 1997 July 15
File under Integrated Circuits, IC01
1998 Apr 07
Page 1

Philips Semiconductors
2 × 8 W stereo BTL audio output amplifier
with DC volume control
Product specification
TDA7057AQ
FEATURES
DC volume control
Few external components
Mute mode
Thermal protection
Short-circuit proof
No switch-on and switch-off clicks
Good overall stability
Low power consumption
Low HF radiation
ESD protected on all pins.
GENERAL DESCRIPTION
The TDA7057AQ is a stereo BTL output amplifier with DC
volume control. The device is designed for use in TVs and
monitors, but is also suitable for battery-fed portable
recorders and radios.
Missing Current Limiter (MCL)
A MCL protection circuit is built-in. The MCL circuit is
activated when the difference in current between the
output terminal of each amplifier exceeds 100 mA
(typical 300 mA). This level of 100 mA allows for
single-ended headphone applications.
QUICK REFERENCE DATA
SYMBOL
VP
Pout
PARAMETER
supply voltage
output power
Gv
Gv
Iq(tot)
THD
voltage gain
voltage gain control
total quiescent current
total harmonic distortion
CONDITIONS
VP = 12 V; RL = 16
VP = 12 V; RL = 8
VP = 15 V; RL = 8
VP = 12 V; RL =
Po = 0.5 W
MIN.
4.5
3.0
39.5
68
TYP.
3.5
5.3
8
40.5
73.5
22
0.3
MAX. UNIT
18 V
W
W
W
41.5 dB
dB
25 mA
1%
ORDERING INFORMATION
TYPE
NUMBER
TDA7057AQ
NAME
DBS13P
PACKAGE
DESCRIPTION
plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
VERSION
SOT141-6
1998 Apr 07
2
Page 2

Philips Semiconductors
2 × 8 W stereo BTL audio output amplifier
with DC volume control
BLOCK DIAGRAM
Product specification
TDA7057AQ
handbook, full pagewidth
input 1
3
TDA7057AQ
DC volume
control 1
1
VP
4
Ii
Ι
Ii
TEMPERATURE
Vref STABILIZER PROTECTION
13 positive
output 1
11 negative
output 1
input 2
DC volume
control 2
5
7
I i 10 negative
output 2
ΙΙ
I i 8 positive
output 2
2
not
connected
6
signal
ground
12
power
ground 1
9
power
ground 2
MSA714
Fig.1 Block diagram.
1998 Apr 07
3
Page 3
Part Number TDA7057AQ
Manufactur NXP
Description 2 x 8 W stereo BTL audio output amplifier with DC volume control
Total Page 16 Pages
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