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PDF TDA8551 Data sheet ( Hoja de datos )
| Número de pieza | TDA8551 | |
| Descripción | 1 W BTL audio amplifier with digital volume control | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA8551
1 W BTL audio amplifier with digital
volume control
Product specification
Supersedes data of 1997 May 07
1998 Feb 23
1 page  
NXP Semiconductors
1 W BTL audio amplifier with digital volume
control
Product specification
TDA8551
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
VP
VI
IORM
Tstg
Tamb
Vsc
Ptot
supply voltage
input voltage
repetitive peak output current
storage temperature
operating temperature
AC and DC short-circuit safe voltage
maximum power dissipation
CONDITIONS
SO8
DIP8
MIN.
−0.3
−0.3
−
−55
−40
−
−
−
MAX.
+5.5
VP + 0.3
1
+150
+85
5.5
0.8
1.2
UNIT
V
V
A
°C
°C
V
W
W
QUALITY SPECIFICATION
Quality according to “SNW-FQ-611 part E”, if this type is used as an audio amplifier. Quality specifications are listed in
the “Quality reference handbook”, order number 9397 750 00192.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth j-a
thermal resistance from junction to ambient
SO8
DIP8
CONDITIONS
in free air
VALUE
UNIT
160 K/W
100 K/W
1998 Feb 23
5
5 Page 
NXP Semiconductors
1 W BTL audio amplifier with digital volume
control
Product specification
TDA8551
handbook,2h0alfpage
Gv
(dB)
0
MGM553
−20
−40
−60
−80
0
20 40 60 nvol 80
Fig.12 Volume gain as a function of volume steps.
3
handbook, halfpage
Po
(W)
2
1
MGM558
(1)
(2)
0
0 2 4 VP (V) 6
THD = 10 %.
(1) RL = 4 Ω.
(2) RL = 8 Ω.
Po(max) is limited by Ptot and a
maximum available repetitive
peak output current of 1 A.
Fig.13 Output power as a function of supply
voltage.
handbook1, .h5alfpage
P
(W)
1
MGM556
(1)
handbook1, .h5alfpage
P
(W)
1
(1)
MGM557
(2)
0.5
(3)
0
0 2 4 VP (V) 6
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
Fig.14 Power dissipation as a function of supply
voltage.
0.5
0
0
(2)
(3)
(4)
(5)
0.4 0.8 1.2 1.6 2.0
Po (W)
(1) VP = 5 V; RL = 4 Ω.
(2) VP = 5 V; RL = 8 Ω.
(3) VP = 3.3 V; RL = 4 Ω.
(4) VP = 5 V; RL = 16 Ω.
(5) VP = 3.3 V; RL = 8 Ω.
Fig.15 Power dissipation as a function of output
power.
1998 Feb 23
11
11 Page | ||
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| PDF Descargar | [ Datasheet TDA8551.PDF ] | |
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