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TB2903HQ

Part Number	TB2903HQ
Manufacturer	Toshiba
Description	Maximum Power 47 W BTL x 4-Ch Audio Power-IC
Published	Sep 29, 2005
Detailed Description	TB2903HQ TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic TB2903HQ Maximum Power 47 W BTL × 4-ch Audio Pow...
Datasheet	TB2903HQ PDF File

Overview

TB2903HQ TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic TB2903HQ Maximum Power 47 W BTL × 4-ch Audio Power IC The TB2903HQ is 4-ch BTL audio amplifier for car audio applications.
This IC can generate higher power: POUT MAX = 47 W as it includes the pure complementary P-ch and N-ch DMOS output stage.
It 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.
Weight: 7.
7 g (typ.
) Features • High power output : POUT MAX (1) = 47 W (typ.
) (VCC = 14.
4 V, f = 1 kHz, JEITA max, RL = 4 Ω) : POUT MAX (2) = 43 W (typ.
) (VCC = 13.
7 V, f = 1 kHz, JEITA max, RL = 4 Ω) : POUT (1) = 29 W (typ.
) (VCC = 14.
4 V, f = 1 kHz, THD = 10%, RL = 4 Ω) : POUT (2) = 25 W (typ.
) (VCC = 13.
2 V, f = 1 kHz, THD = 10%, RL = 4 Ω) • • • • • • • Low distortion ratio: THD = 0.
015% (typ.
) (VCC = 13.
2 V, f = 1 kHz, POUT = 5 W, RL = 4 Ω) Low noise: VNO = 90 µVrms (typ.
) (VCC = 13.
2 V, Rg = 0 Ω, BW = 20 Hz~20 kHz, RL = 4 Ω) Built-in standby switch function (pin 4) Built-in muting function (pin 22) Built-in Off-set detection function (pin 25) Built-in various protection circuits: Thermal shut down, overvoltage, out to GND, out to VCC, out to out short Operating supply voltage: VCC (opr) = 9~18 V (RL = 4 Ω) Note 1: Since this device’s pins have a low withstanding voltage, please handle it with care.
Note 2: Install the product correctly.
Otherwise, it may result in break down, damage and/or degradation to the product or equipment.
Note 3: These protection functions are intended to avoid some output short circuits or other abnormal conditions temporarily.
These protect functions do not warrant to prevent the IC from being damaged.
In case of the product would be operated with exceeded guaranteed operating ranges, these protection features may not operate and some output short circuits may result in the IC being damaged.
1 2004-07-25 TB2903HQ Block ...

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TB2903HQ Maximum Power 47 W BTL x 4-Ch Audio Power-IC - Toshiba

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