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Partno	Mfg	Dc	Qty	Available	Descript
TDA7250	ST	N/a	1294	avai	60W Hi-Fi DUAL AUDIO DRIVER

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TDA7250
60W Hi-Fi DUAL AUDIO DRIVER
TDA7250
March 1995
60 W HI-FI DUAL AUDIO DRIVER WIDE SUPPLY VOLTAGE RANGE : 20 TO 90 V
(± 10 to ± 45 V). VERY LOW DISTORTION. AUTOMATIC QUIESCENT CURRENT
CONTROL FOR THE POWER TRANSISTORS
WITHOUT TEMPERATURE SENSE
ELEMENTS. OVERLOAD CURRENT PROTECTION FOR
THE POWER TRANSISTORS. MUTE/STAND-BY FUNCTIONS. LOW POWER CONSUMPTION. OUTPUT POWER 60 W/8 Ω AND 100 W/4 Ω
DESCRIPTION
The TDA7250 stereo audio driver is designed to
drive two pair of complementary output transistor in
the Hi-Fi power amplifiers.
APPLICATION CIRCUIT
1/11
PIN CONNECTION (top view)
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
TDA7250
2/11
PIN FUNCTIONS
TDA7250
3/11
BLOCK DIAGRAM
TDA7250
4/11
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, Vs = ± 35 V, play mode, unless otherwise
specified)
MUTE / STANDBY/ PLAY FUNCTIONS
CURRENT SURVEY CIRCUITRY
(*) Application circuit of fig. 1 f = 1 KHz ; d = 0.1 % ; Gv =26 dB.
(**) Referred to − Vs.
QUIESCENT CURRENT CONTROL
TDA7250
5/11
Figure 1 : Application Circuit with Power Darlingtons.
Note : Q1/Q2 = Q3/Q4 = TIP 142/TIP147
GV = 1 + R1/R2
TDA7250
6/11

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