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NXP
NXP

TDA7056A Datasheet

3 W BTL mono audio output amplifier with DC volume control


TDA7056A Datasheet Preview


INTEGRATED CIRCUITS
DATA SHEET
TDA7056A
3 W BTL mono audio output
amplifier with DC volume control
Product specificiation
File under Integrated Circuits, IC01
July 1994
Page 1

Philips Semiconductors
3 W BTL mono audio output amplifier
with DC volume control
Product specificiation
TDA7056A
FEATURES
DC volume control
Few external components
Mute mode
Thermal protection
Short-circuit proof
No switch-on and off clicks
Good overall stability
Low power consumption
Low HF radiation
ESD protected on all pins.
GENERAL DESCRIPTION
The TDA7056A is a mono BTL output amplifier with DC
volume control. It is designed for use in TV and monitors,
but also suitable for battery-fed portable recorders and
radios.
Missing Current Limiter (MCL)
A MCL protection circuits 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 headphone
applications (single-ended).
QUICK REFERENCE DATA
SYMBOL
VP
PO
Gv
φ
IP
THD
PARAMETER
positive supply voltage range
output power
voltage gain
gain control range
total quiescent current
total harmonic distortion
CONDITIONS
RL = 16 ; VP = 12 V
VP = 12 V; RL =
VP = 0.5 W
MIN.
4.5
3
34.5
75
TYP.
3.5
35.5
80
8
0.3
MAX. UNIT
18 V
W
36.5 dB
dB
16 mA
1%
ORDERING INFORMATION
EXTENDED TYPE
NUMBER
TDA7056A
PINS
9
Note
1. SOT110-1; 1996 August 21.
PIN POSITION
SIL
PACKAGE
MATERIAL
plastic
CODE
SOT110
July 1994
2
Page 2

Philips Semiconductors
3 W BTL mono audio output amplifier with
DC volume control
Product specificiation
TDA7056A
handbook, full pagewidth
n.c. 1
n.c. 9
positive input
DC volume control
3
5
TDA7056A
VP
2
I+i
6 positive output
I –i
8 negative output
STABILIZER TEMPERATURE
Vref PROTECTION
47
signal
ground
power
ground
MGA072 - 1
Fig.1 Block diagram.
PINNING
SYMBOL
n.c.
VP
VI
GND1
VC
OUT+
GND2
OUT
n.c.
PIN DESCRIPTION
1 not connected
2 positive supply voltage
3 voltage input
4 signal ground
5 DC volume control
6 positive output
7 power ground
8 negative output
9 not connected
handbook, halfpage
n.c. 1
VP 2
VI 3
GND1 4
VC 5 TDA7056A
OUT+ 6
GND2 7
OUT8
n.c. 9
MGA071
Fig.2 Pin configuration.
July 1994
3
Page 3
Part Number TDA7056A
Manufactur NXP
Description 3 W BTL mono audio output amplifier with DC volume control
Total Page 9 Pages
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