TDA8552T_02 Datasheet, PDF (14/27 Pages) NXP Semiconductors – 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing

NXP Semiconductors
2 x 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
TEST AND APPLICATION INFORMATION
Product specification
TDA8552T; TDA8552TS
handbook, full pagewidth
C1 _{IN1 17}
330 nF
VIN1
VOLUME
20 ^CONTROL
kΩ
0.5VDD
VDD
up
volume
R5
UP/DOWN1 6
control
2.2 kΩ
down
C7
100
nF
C3 _{SVR 16}
220 μF
C2 _{IN2 15}
330 nF
VIN2
UP/DOWN
COUNTER
up
down
INTERFACE
VOLUME
20 ^CONTROL
kΩ
0.5VDD
VDD
volume
control
up
down
R6
2.2 kΩ
UP/DOWN2 7
C8
100 nF
UP/DOWN
COUNTER
up
down
INTERFACE
VDD
mute
standby
MODE 5
operating ^{HPS 4}
STANDBY/MUTE
AND OPERATING
VDD1, ₂
3, 8
VDD3, ₄
13, 18
100
C3 _nF C4
VDD = 5 V
220 μF
MASTER
20 dB
VDD ^{30 dB}
3.4 kΩ
1.6 kΩ
15 kΩ
20 kΩ
20 kΩ
15 kΩ
0.5VDD
0.5VDD
SLAVE
0.5VDD
15 kΩ
TDA8552T
MASTER
20 dB
VDD _{30 dB}
3.4 kΩ
1.6 kΩ
15 kΩ
0.5VDD
0.5VDD
0.5VDD
15 kΩ
15 kΩ
20 kΩ
20 kΩ
SLAVE
12 OUT1+ ^C5
220 μF
8Ω
R1
1 kΩ
19 OUT1−
2 OUT2+ ^C6
220 μF
8Ω
headphone jack
tip
ring
sleeve
R4
1 kΩ
9 OUT2−
GAIN
SELECTION
14
GAINSEL
VDD
1, 10, 11, 20
GND1 to GND4
R3
100 kΩ
VDD
R2
820 kΩ
ground
MGM609
2002 Jan 04
Fig.4 Test and application diagram.
14