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TEA2025 Datasheet Stereo Audio Amplifier

Manufacturer: STMicroelectronics

Overview: TEA2025B TEA2025D STEREO AUDIO AMPLIFIER DUAL OR BRIDGE CONNECTION MODES FEW EXTERNAL COMPONENTS SUPPLY VOLTAGE DOWN TO 3V HIGH CHANNEL SEPARATION VERY LOW SWITCH ON/OFF NOISE MAX GAIN OF 45dB WITH ADJUST EXTERNAL RESISTOR SOFT CLIPPING THERMAL PROTECTION 3V < VCC < 15V P = 2 • 1W, VCC = 6V, RL = 4Ω P = 2 • 2.3W, VCC = 9V, RL = 4Ω P = 2 • 0.

General Description

The TEA2025B/D is a monolithic integrated circuit in 12+2+2 Powerdip and 12+4+4 SO, intended for use as dual or bridge power audio amplifier portable radio cassette players.

Parameter Supply Voltage Ouput Peak Current Junction Temperature Storage Temperature Test Conditions 15 Unit V IO TJ Tstg 1.5 150 150 A °C °C BLOCK DIAGRAM GND(Sub) IN 1+ FEED 50Ω GND GND BOOT 1 OUT 1 THERMAL PROTECT.

10KΩ START CIRCUIT SVR + 1 1 5KΩ DECOUPLING 50Ω VS+ BRIDGE IN 2+ + 2 10KΩ 2 50Ω D94AU120 FEED GND GND BOOT 2 OUT 2 June 1994 1/9 TEA2025B - TEA2025D POWERDIP 12+2+2 PIN CONNECTION (Top view) BRIDGE OUT.2 BOOT.2 GND GND FEEDBACK IN.2 (+) SVR 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 +Vs OUT.1 BOOT.1 GND GND FEEDBACK IN.1 (+) GND (sub.) SO 12+4+4 PIN CONNECTION (Top view) BRIDGE OUT 2 BOOT 2 GND GND GND GND FEEDBACK IN 2(+) SVR 1 2 3 4 5 6 7 8 9 10 D94AU119 20 19 18 17 16 15 14 13 12 11 VCC OUT 1 BOOT 1 GND GND GND GND FEEDBACK IN 1(+) GND(Sub) THERMAL DATA Symbol R th j-case Rth j-amb Description Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max Max SO 12+4+4 (*) 15 65 PDIP 12+2+2 (**) 15 60 Unit °C/W °C/W (*) The Rth j-amb is measured with 4sq cm copper area heatsink (**) The Rth j-amb is measured on devices bonded on a 10 x 5 x 0.15cm glass-epoxy substrate with a 35µm thick copper surface of 5 cm2.

TEA2025 Distributor