TB2903HQ

4-ch BTL audio amplifier, ZIP25, 50 V, 9 A, 125 W, High power output, Low distortion ratio

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Price:: US $5.00~10.00 / piece [Get Latest Price]

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	US $5.00~10.00

PartNumber:: TB2903HQ

Brand:: Toshiba Semiconductor - Toshiba | Pack: ZIP | D/C: 05+

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: 2011-12-02

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Product Summary

The TB2903HQ is a 4-ch BTL audio amplifier for car audio applications. This IC TB2903HQ can generate higher power: POUT MAX = 47 W as it includes the pure complementary P-ch and N-ch DMOS output stage. THe TB2903HQ is designed to yield low distortion ratio for 4-ch BTL audio power amplifier, built-in standby function, muting function, and various kinds of protectors. Additionally, Off-set detector is built in.

Parametrics

TB2903HQ absolute maximum ratings: (1)Peak supply voltage (0.2 s), VCC (surge): 50 V; (2)DC supply voltage, VCC (DC): 25 V; (3)Operation supply voltage, VCC (opr): 18 V; (4)Output current (peak), IO (peak): 9 A; (5)Power dissipation, PD: 125 W; (6)Operation temperature, Topr: -40 to 85℃; (7)Storage temperature, Tstg: -55 to 150℃.

Features

TB2903HQ features: (1)High power output; (2)Low distortion ratio: THD = 0.015% (typ.); (3)Low noise: VNO = 90 μVrms (typ.) (VCC = 13.2 V, Rg = 0 Ω, BW = 20 Hz~20 kHz, RL = 4 Ω); (4)Built-in standby switch function (pin 4); (5)Built-in muting function (pin 22); (6)Built-in Off-set detection function (pin 25); (7)Built-in various protection circuits: Thermal shut down, overvoltage, out to GND, out to VCC, out to out short ; (8) Operating supply voltage: VCC (opr) = 9~18 V (RL = 4 Ω)