7+7W DUAL BRIDGE AMPLIFIER
Description
® TDA7266
7+7W DUAL BRIDGE AMPLIFIER
WIDE SUPPLY VOLTAGE RANGE (3-18V) MINIMUM EXTERNAL COMPONENTS – NO SWR CAPACITOR – NO BOOTSTRAP – NO BOUCHEROT CELLS – INTERNALLY FIXED GAIN STAND-BY & MUTE FUNCTIONS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION
DESCRIPTION The TDA7266 is a dual bridge amplifier specially designed for TV and Portable Radio applications.
TECHNOLOGY BI20II
Multiwatt 15 ORDERING NUMBER: TDA7266
BLOCK AND APPLICATION DIAGRAM
0.
22µF IN1
ST-BY
4 7
VCC
3 13
470µF
+ 1 OUT1+ -
100nF
S-GND
9 Vref
0.
22µF IN2
12
MUTE
6
- 2 OUT1+
+ 15 OUT2+ -
March 2002
PW-GND 8
- 14 OUT2+
D94AU175B
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TDA7266
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO Ptot Top
Tstg, Tj
Parameter Supply Voltage Output Peak Current (internally limited) Total Power Dissipation (Tcase = 70°C) Operating Temperature Storage and Junction Temperature
THERMAL DATA
Symbol
Description
Rth j-case Thermal Resistance Junction to case
PIN CONNECTION (Top view)
Value 20 2 33
0 to 70 -40 to +150
Unit V A W °C °C
Value
Typ.
1.
4
Max.
2
Unit °C/W
15 OUT2+ 14 OUT213 VCC 12 IN2 11 N.
C.
10 N.
C.
9 S-GND 8 PW-GND 7 ST-BY 6 MUTE 5 N.
C.
4 IN1 3 VCC 2 OUT11 OUT1+
D95AU261
ELECTRICAL CHARACTERISTICS (VCC = 11V, RL = 8Ω, f = 1kHz, Tamb = 25°C unless otherwise specified.
)
Symbol VCC Iq VOS PO THD
Parameter Supply Range Total Quiescent Current Output Offset Voltage Output Power Total Harmonic Distortion
SVR CT AMUTE TW GV ∆Gv Ri VTMUTE
Supply Voltage Rejection Crosstalk Mute Attenuation Thermal Threshold Closed Loop Voltage Gain Voltage Gain Matching Input Resistance Mute Threshold
Test Condition
THD = 10% PO = 1W PO = 0.
1W to 2W f = 100Hz to 15kHz f = 100Hz VR = 0.
5V
for VCC > 6.
4V; VO = -30dB for VCC < 6.
4V; VO = -30dB
Min.
3
6.
3
Typ.
11 50
7 0.
05
Max.
18 65 120
0.
2 1
Unit V mA mV W % %
40 46 60
25
25 2.
3 VCC/2 -1
56 60 80 150 26
30 2.
9 VCC/2 -0.
75
27 0.
5
4.
1 VCC/2
-0.
5
dB dB dB °C dB dB KΩ V V
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ELECTRICAL CHARACTERISTICS (Continued)
Symbol VTST-BY
IST-BY eN
P...
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