Datasheet

TPA0211
2-W MONO AUDIO POWER AMPLIFIER
SLOS275D – JANUARY 2000 – REVISED NOVEMBER 2002
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
functional block diagram
4
+
–
1.25*R
R
+
–
50 kΩ
1
R
I
C
i
Audio
Input
V
O+
5
+
–
1.25*R
R
+
–
50 kΩ
8
50 kΩ
SE/BTL
Control
Shutdown
and Depop Circuitry
SHUTDOWN
2
From
System Control
SE/BTL
6
V
O–
C
C
100 kΩ
100 kΩ
V
DD
1 kΩ
C
B
BYPASS
7
BYPASS
BYPASS
BYPASS
BYPASS
BYPASS
V
DD
3
V
DD
GND
IN
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME NO.
I/O
DESCRIPTION
BYPASS 4 I
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected to a
0.1-µF to 1-µF capacitor.
GND 7 GND is the ground connection.
IN 1 I IN is the audio input terminal.
SE/BTL 6 I When SE/BTL is held low, the TPA0211 is in BTL mode. When SE/BTL is held high, the TPA0211 is in SE mode.
SHUTDOWN 2 I SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input.
V
DD
3 V
DD
is the supply voltage terminal.
V
O+
5 O V
O+
is the positive output for BTL and SE modes.
V
O–
8 O V
O–
is the negative output in BTL mode and a high-impedance output in SE mode.