SGS Thomson Microelectronics TDA7267 Datasheet
®
TDA7267
2W MONO AMPLIFIER
CAN DELIVER 2W THD 10% 12V/8
INTERNAL FIXED GAIN 32dB
NO FEEDBACK CAPACITOR
NO BOUCHEROT CELL
THERMAL PROTECTION
AC SHORT CIRCUIT PROTECTION
SVR CAPACITOR FOR BETTER RIPPLE
REJECTION
LOW TURN-ON/OFF POP
STAND-BY MODE
DESCRIPTION
The device TDA7267 is a new technology Mono
Audio Amplifier in MINIDIP package specifically
designed for TV application.
Thanks to the fully complementary output configu-
BLOCK DIAGRAM
Ω
V
S
MINIDIP (4+4)
ORDERING NUMBER:
ration the device delivers a rail to rail voltage
swing without need of boostrap capacitors.
TDA7267
VS=12V
100µF
June1998
IN
47µF
0.1µF
IN
SVR
S-GND P-GND
+
470µF
-
OUT
8Ω
D94AU165
1/5
TDA7267
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
I
O
T
op
T
j
T
stg
Operating Supply Voltage 18 V
Output Put Peak Current 1.5 A
Operating Temperature Range 0 to 70 °C
Junction Temperature 150 °C
Storage Temperature Range -40 to 125 °C
PIN CONNECTION
(Top view)
V
OUT
SVR
IN
S
1
2
3
4 GND
D94AU163
7
6
5
GND8
GND
GND
THERMAL DATA
Symbol Parameter Value Unit
R
th j-amb
R
th j-case
ELECTRICAL CHARACTERISTICS
Thermal Resistance Junction to ambient (on PCB) 80 °C/W
Thermal Resistance Junction to case 15 °C/W
= 25°C; VS = 12V; RL = 8Ω; f = 1KHz; unless otherwise speci-
(T
amb
fied.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
I
S
I
sb
V
O
A
V
R
IN
P
O
THD Distortion PO = 1W 1.0 %
SVR Supply Voltage Rejection V
E
I
V
sb
Supply Voltage Range 4.5 18 V
Quiescent Current 20 30 mA
Stand-By Current Pin 3 shorted to GND 0.3 mA
Quiescent Output Voltage 6 V
Voltage Gain 32 dB
Input Impedance 100 KΩ
Output Power THD = 10% 1.8 2 W
= 150mVrms;
ripple
F
= 1KHz
ripple
Input Noise Voltage Rg = 10KΩ; BW = 20Hz to 20KHz 1.5 5 µV
Stand-By Enable Voltage 1 V
50 dB
2/5
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