tda8551t-n1 NXP Semiconductors, tda8551t-n1 Datasheet - Page 10

• Manufacturer Part Number: tda8551t-n1
• Description: 1 W Btl Audio Amplifier With Digital Volume Control
• Manufacturer: NXP Semiconductors

Philips 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
v
0
1
1
2
10
= 0 dB.
60
Total harmonic distortion as a function of
frequency at different gains.
(1)
(2)
(3)
10
40
2
10
20
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 F; G
(2) C2 = 10 F; 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
P
P
= 100 mV.
0
1
1
2
3
4
5
= 0 .
10
= 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 F; G
(4) C2 = 10 F; G
(5) C2 = 100 F; G
(6) C2 = 100 F; 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