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TDA7266D

P1-P3P4-P6P7-P9P10-P12P13-P13
1/13
TDA7266D
May 2003
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
■ WIDE SUPPLY VOLTAGE RANGE (3.5 - 12V)
■ OUTPUT POWER
5+5W @THD = 10%, R
L
= 8Ω, V
CC
= 9.5V
■ SINGLE SUPPLY
■ MINIMUM EXTERNAL COMPONENTS
– NO SVR CAPACITOR
– NO BOOTSTRAP
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN
■ STAND-BY & MUTE FUNCTIONS
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7266D is a dual bridge amplifier specially
designed for LCD TV/Monitor, PC Motherboard, TV
and Portable Audio applications.
PowerSO20 Slug Down
ORDERING NUMBER: TDA7266D
PRELIMINARY DATA
5W+5W DUAL BRIDGE AMPLIFIER
TEST AND APPLICATION CIRCUIT
2
5
7
Vref
ST-BY
JP1
9
IN1
C3 0.22µF
V
CC
156
D02AU1407
+
-
-
+
OUT1+
OUT1-
19
16
14
MUTE
8
IN2
C5 0.22µF
+
-
-
+
OUT2+
OUT2-
20
13
S-GND
PW-GND
C1
470µF
C2
100nF
C7
100nF
1
10
11
C4
10µF
R1
47K
R2
47K
C6
1µF
R3 10K
R4 10K
+5V
TECHNOLOGY BI20II
TDA7266D
2/13
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
Notes: 1. See Application note AN668, available on WEB FR4 with 15 via holes and ground layer.
PIN CONNECTION
Symbol Parameter Value Unit
V
s
Supply Voltage 20 V
I
O
Output Peak Current (internally limited) 1.5 A
P
tot
Total Power Dissipation (T
amb
= 70°C 25 W
T
op
Operating Temperature 0 to 70 °C
T
stg,
T
j
Storage and Junction Temperature -40 to 150 °C
Symbol Parameter Value Unit
R
th j-case
Thermal Resistance Junction-case 2.1 °C/W
R
th j-amb
Thermal Resistance Junction-ambient (on recomended PCB) note1 15 °C/W
PW GND
ST BY N.C.
N.C.
N.C.
V
CC
OUT1-
IN1
MUTE
OUT1+
PW GND 10
8
9
7
6
5
4
3
2
13
14
15
16
17
19
18
20
12
1
11 PW GND
D02AU1408
SGND
IN2-
OUT2-
V
CC
N.C.
N.C.
OUT2+
PW GND
3/13
TDA7266D
ELECTRICAL CHARACTERISTCS
(Refer to test circuit) V
CC
= 9.5V, R
L
= 8
Ω
, f = 1KHz, T
amb
= 25°C unless
otherwise specified)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
CC
Supply Range 3.5 9.5 12 V
I
q
Total Quiescent Current 50 60 mA
V
OS
Output Offset Voltage 120 mV
P
O
Output Power THD 10% 4.3 5 W
THD Total Harmonic Distortion P
O
= 1W 0.05 0.2 %
P
O
= 0.1W to 2W
f = 100Hz to 15KHz
1%
SVR Supply Voltage Rejection f = 100Hz, VR =0.5V 40 56 dB
CT Crosstalk 46 60 dB
A
MUTE
Mute Attenuation 60 80 dB
T
w
Thermal Threshold 150 °C
G
V
Closed Loop Voltage Gain 25 26 27 dB
∆G
V
Voltage Gain Matching 0.5 dB
R
i
Input Resistance 25 30 KΩ
VT
MUTE
Mute Threshold for V
CC
> 6.4V; Vo = -30dB 2.3 2.9 4.1 V
for V
CC
< 6.4V; Vo = -30dB V
CC
/2
-1
V
CC
/2
-0.75
V
CC
/2
-0.5
V
VT
ST-BY
St-by Threshold 0.8 1.3 1.8 V
I
ST-BY
St-by Current V6 = GND 100 µA
e
N
Total Output Voltage A Curve 150 µV
P1-P3P4-P6P7-P9P10-P12P13-P13

TDA7266D

Mfr. #:
Buy TDA7266D
Manufacturer:
STMicroelectronics
Description:
Audio Amplifiers DUAL BRDGE AMPLIFIER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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