TDA2040

20W, Hi-Fi, audio power amplifier, ZIP5, ±20V Supply Voltage, ± 15V Differential Input Voltage

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Price:: US $0.30~0.50 / piece [Get Latest Price]

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	US $0.30~0.50

PartNumber:: TDA2040

Brand:: STMicroelectronics - ST | Pack: ZIP | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-12-12

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Product Summary

The TDA2040 is a monolithic integrated circuit in Pentawatt package,intended for use as an audio class AB amplifier. Typically it provides22W output power (d = 0.5%) at Vs = 32V/4W . The TDA2040 provides high output current and has very low harmonic and cross-over distortion. Further the device incorporates a patented short circuit protection system comprising an arrangement for automaticallylimiting the dissipatedpowersoas to keep the working point of the output transistors within their safe operating area. A thermal shut-down system is also included.

Parametrics

TDA2040 absolute maximum ratings: (1)Vs Supply Voltage: ± 20 V; (2)Vi Input Voltage: Vs; (3)Vi Differential Input Voltage: ± 15 V; (4)Io Output Peak Current (internally limited): 4 A; (5)Ptot Power Dissipation at Tcase = 75 ℃: 25 W; (6)Tstg, Tj Storage and Junction Temperature: - 40 to + 150 ℃.

Features

TDA2040 features: (1)Vs Supply Voltage: ± 2.5 to ± 20 V; (2)Id Quiescent Drain Current, Vs = ± 4.5V: 30mA; Vs = ± 20V: 45 to 100mA; (3)Ib Input Bias Current, Vs = ± 20V: 0.3 to 1 μA; (4)Vos Input Offset Voltage Vs = ± 20V: ± 2 to ± 20 mV; (5)Ios Input Offset Current: ± 200 nA; (6)BW Power Bandwidth Po = 1W, RL = 4Ω: 100 kHz; (7)Gv Open Loop Voltage Gain: f = 1kHz 80 dB; (8)Gv Closed Loop Voltage Gain f = 1kHz: 29.5 to 30.5 dB; (9)d Total Harmonic Distortion Po = 0.1 to 10W, RL = 4Ω, f = 40 to 15000Hz: 0.08%; f = 1kHz, 0.03%; (10)eN Input Noise Voltage, B = Curve A: 2μV; B = 22Hz to 22kHz: 3 to 10 μV; (11)iN, Input Noise Current B = Curve A: 50; B = 22Hz to 22kHz: 80 to 200pA; (12)Ri Input Resistance (pin 1) 0.5 to 5 ΩW; (13)SVR Supply Voltage Rejection RL = 4Ω, Rg = 22kΩ, Gv = 30dB; (14)f = 100Hz, Vripple = 0.5VRMS: 40 to 50 dB; (15)h Efficiency f = 1kHz, Po = 12W RL = 8 Ω: 66%; Po = 22W RL = 4 Ω: 63%; (16)Tj Thermal Shut-down Junction Temperature: 145 ℃.