Tda2822

TDA2822
DUAL POWER AMPLIFIER

. . . .

SUPPLY VOLTAGE DOWN TO 3 V LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATION

POW ERDIP (Plastic 12+2+2) ORDERING NUMBER :TDA2822

DESCRIPTION The TDA2822 is a monolithic integrated circuit in 12+2+2 powerdip, intended for use as dual audio power amplifier in portable radios and TS sets.

TYPICAL APPLICATION CIRCUIT(STEREO)

March 1995

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TDA2822
PIN CONNECTION (top view)

SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS
Symbol Vs Io Ptot Tstg, Tj Supply Voltage Output Peak Current Total PowerDissipation at Tamb = 50 °C at Tcase = 70 °C Storage and Junction Temperature Parameter Value 15 1.5 1.25 4 – 40 to 150 Unit V A W W °C

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TDA2822
THERMAL DATA
Symbol Rth j-amb R th j-caseParameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pins Max Max Value 80 20 Unit °C/W °C/W

ELECTRICAL CHARACTERISTICS (Vs = 6 V, Tamb = 25 °C, unless otherwise specified) STEREO(test circuit of fig. 1)
Symbol Vs Vc Id Ib Po Parameter Supply Voltage Quiescent Output Voltage Quiescent Drain Current Input Bias Current Output Power (each channel) d = 10 % Vs = 9 V Vs = 6 V Vs = 4.5V f = 1 kHz f = 1 kHz Rs = 10 kΩ B = 22 Hz to 22 kHz Curve A f = 100 Hz Rg = 10 kΩ f = 1 kHz 24 f = 1 kHz RL = 4 Ω RL = 4 Ω RL = 4 Ω 1.3 0.45 36 100 2.5 2 30 50 Vs = 9 V Vs = 6 V Test Condition Min.3 4 2.7 6 100 1.7 0.65 0.32 39 41 12 Typ. Max. 15 Unit V V V mA nA W W W dB kΩ µV µV dB dB

Gv Ri
e

Closed Loop Voltage Gain Input Resistance Total Input Noise

N

SVR CS

Supply VoltageRejection Channel Separation

BRIDGE (test circuit of fig. 2)
Vs Id Vos Ib Po Supply Voltage Quiescent Drain Current Output Offset Voltage Input Bias Current Output Power d = 10 % f = 1 kHz Vs = 9 VRL = 8 Ω Vs = 6 V R L = 8 Ω Vs = 4.5 V RL = 4 Ω RL = 8 Ω f = 1 kHz f = 1 kHz Rs = 10 kΩ B = 22 Hz to 22 kHz Curve A f = 100 Hz 100 3 2.5 40 Po = 0.5 W 2.7 0.9 RL = ∞ RL = 8 Ω 3 6 10 100 3.2 1.35 1...