TDA8552 Philips Semiconductors, TDA8552 Datasheet - Page 17

• Manufacturer Part Number: TDA8552
• Description: 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Jun 02
handbook, halfpage
handbook, halfpage
2
volume control and headphone sensing
R
V
(1) G
(2) G
(3) G
(mA)
I DD
DD
L
THD
(%)
= .
10
10
= 5 V; R
20
15
10
10
5
0
1.4 W BTL audio amplifiers with digital
v
v
v
1
1
2
10
= 0 dB.
= 7 dB.
= 20 dB.
2
2
L
Fig.6 I
Fig.8 THD as a function of P
= 8 ; f = 1 kHz; G
3
DD
10
as a function of V
(1)
(2)
(3)
1
v
4
= 20 dB (max.).
1
5
P o (W)
V DD (V)
DD
o
MGR005
MGR007
.
.
10
6
17
handbook, halfpage
handbook, halfpage
V
(1) G
(2) G
V
(1) G
(2) G
(3) G
(4) G
DD
DD
(dB)
THD
(%)
10
10
G
= 5 V; R
= 5 V; R
40
20
20
40
60
10
Fig.7 Gain as a function of volume steps.
0
v
v
v
v
v
v
1
1
2
10
= 30 dB (max.).
= 20 dB (max.).
= 0 dB.
= 7 dB.
= 20 dB.
= 30 dB.
0
2
L
L
Fig.9 THD as a function of P
= 8 .
= 8 ; f = 1 kHz; G
TDA8552T; TDA8552TS
20
(1)
10
(1)
(2)
1
(2)
40
v
= 30 dB (max.).
(3)
(4)
Preliminary specification
volume steps
1
60
P o (W)
o
MGR006
MGR008
.
80
10