50 W X 4-ch BTL Audio Power-IC
TB2923HQ
TOSHIBA Bi-CMOS Linear Integrated Circuit Silicon Monolithic
TB2923HQ
50 W × 4-ch BTL Audio Power IC
The TB292...
Description
TB2923HQ
TOSHIBA Bi-CMOS Linear Integrated Circuit Silicon Monolithic
TB2923HQ
50 W × 4-ch BTL Audio Power IC
The TB2923HQ is a four-channel BTL power amplifier for car audio applications. This IC has a pure complementary P-ch and N-ch DMOS output stage, offering maximum output power (POUT MAX) of 50 W. It includes a standby switch, mute function and various protection features.
Features
High output power POUT MAX (1) = 50 W (typ.) (VCC = 15.2 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 MAX (3) = 80 W (typ.) (VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 2 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) Weight: 7.7 g (typ.)
Low THD: 0.005% (typ.) (VCC = 13.2 V, f = 1 kHz, POUT = 5 W, RL = 4 Ω) Low noise: VNO = 50 µVrms (typ.) (VCC = 13.2 V, Rg = 0 Ω, BW = 20 Hz to 20 kHz, RL = 4 Ω) Standby switch (pin 4) Mute function (pin 22) Output DC offset detection (pin 25) Various protection features Thermal overload; overvoltage; output short-circuits to GND, VCC and across the load; speaker current limiting Operating supply voltage: VCC (opr) = 8.0 to 18 V (RL = 4 Ω)
Note 1: Install the device correctly. Otherwise, the device or system may be degraded, damaged or even destroyed. Note 2: The protection features are intended to avoid output short-circuits or other abnormal conditions temporarily. It ...
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