UTCTEA2025

UTC TEA2025 LINEAR INTEGRATED CIRCUIT STEREO AUDIO AMPLIFIER DESCRIPTION The UTC TEA2025 is a monolithic integrated audio amplifier in a 16-pin plastic dual in line package. It is designed for portable cassette players and radios. FEATURES *Working Voltage down to 3V *Few External components *High Channel isolation *Voltage gain up to 45dB(Adjustable with external resistor) *Soft clipping *Internal Thermal protection DIP-16 PIN CONFIGURATIONS 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) BLOCK DIAGRAM 9 10 11 50 Ω THERMAL PROTECTION 10k Ω 12 13 14 15 START CIRCUIT 5k Ω 8 7 DECOUPLING 50 Ω 16 1 10k Ω 50 Ω 6 5 4 3 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R107-003,A UTC TEA2025 PARAMETER Supply Voltage Output Peak Current Junction Temperature Storage Temperature LINEAR INTEGRATED CIRCUIT SYMBOL VS IO Tj Tstg ABSOLUTE MAXIMUM RATINGS VALUE 15 1.5 150 -40 ~ +150 UNIT V A °C °C ELECTRICAL CHARACTERISTICS(Ta=25°C,VCC=9V,Stereo,Unless otherwise specified) PARAMETER Supply Voltage Quiescent Current Quiescent output voltage Voltage gain Voltage gain difference Input impedance SYMBOL VS IQ VO AV ∆A V Ri TEST CONDITIONS MIN 3 TYP 40 4.5 45 51 30 MAX 12 50 47 53 +-1 UNIT V mA V dB dB kΩ Stereo Bridge 43 49 Output Power PO Distortion d Supply voltage Rejection SVR Input noise Voltage Vn Cross-Talk C.T. f=1kHz;d=10% Stereo per channel VCC=9V;RL=4...