TDA8551_T NXP Semiconductors, TDA8551_T Datasheet - Page 10

• Manufacturer Part Number: TDA8551_T
• Description: The TDA8551; TDA8551T is a one channel 1 WBridge-Tied Load (BTL) audio power amplifier capable ofdelivering 1 W output power to an 8 Ω load at THD = 10%using a 5 V power supply
• Manufacturer: NXP Semiconductors

NXP Semiconductors
1998 Feb 23
handbook, halfpage
handbook, halfpage
1 W BTL audio amplifier with digital volume
control
P
(1) G
Fig.8
THD = 1 %.
Fig.10 Input voltage as a function of voltage gain.
o
(V)
THD
V i
(%)
= 0.1 W.
10
10
2.4
2.0
1.6
1.2
0.8
0.4
10
−1
−2
v
0
1
−60
10
= 0 dB.
Total harmonic distortion as a function of
frequency at different gains.
(1)
(2)
(3)
−40
10
2
−20
10
3
(2) G
(3) G
10
0
v
v
4
= 7 dB.
= 20 dB.
G v (dB)
f (Hz)
MGM550
MGM559
10
20
5
10
handbook, halfpage
handbook, halfpage
V
R
(1) C2 = 10 μF; G
(2) C2 = 10 μF; G
Fig.9
(1) V
(2) V
Fig.11 Output voltage as a function of mode select
SVRR
ripple
source
(dB)
(V)
V o
10
10
10
10
10
−20
−40
−60
−1
−2
−3
−4
−5
P
P
= 100 mV.
0
1
10
= 0 Ω.
= 3 V.
= 5 V.
0
Supply voltage ripple rejection as a function
of frequency.
input voltage at different supply voltages.
(1)
(2)
(3)
(4)
(5)
(6)
1
v
v
10
= 20 dB.
= 7 dB.
2
2
10
(3) C2 = 100 μF; G
(4) C2 = 10 μF; G
(5) C2 = 100 μF; G
(6) C2 = 100 μF; G
3
(1)
3
Product specification
10
4
4
TDA8551
f (Hz)
V MODE
v
MGM549
MGM555
v
v
v
= −10 dB.
= 20 dB.
= 7 dB.
= −10 dB.
(2)
10
5
5