TB2921HQ Toshiba, TB2921HQ Datasheet
TB2921HQ
Specifications of TB2921HQ
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TB2921HQ Summary of contents
Page 1
... TOSHIBA Bi-CMOS Linear Integrated Circuit Silicon Monolithic TB2921HQ (preliminary) Maximum Power 50 W BTL × 4-ch Audio Power IC The TB2921HQ is 4-ch BTL audio amplifier for car audio applications. This IC can generate higher power: P includes the pure complementary P-ch and N-ch DMOS output stage designed to yield low distortion ratio for 4-ch BTL audio power amplifier, built-in standby function, muting function, and various kinds of protectors ...
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... Vcc2 Vcc1 IN1 IN1 IN2 IN2 Pre - GND Pre - GND IN3 IN3 AC AC GND GND IN4 IN4 Stby Stby . . High Side SW H-SW/Off-set Mute Mute 2 TB2921HQ Out1(+) Out1(+) Out1(+) PW-GND1 PW-GND1 PW-GND1 Out1(-) Out1(-) Out1(-) ...
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... Large current capacity switch Battery V CC – Conventional Method – From microcomputer Small current capacity switch Battery V Stand-By CC – Standby Switch Method – Figure 2 3 TB2921HQ kΩ 4 ≈ BIAS CUTTING CIRCUIT Power is turned ON Relay Battery From microcomputer ...
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... ATT – 1kHz MUTE Ω V OUT = 20dBm −20 −40 −60 −80 −100 −120 0 0.5 1 1.5 Pin 22 control voltage: V MUTE (V) Figure 4 Mute Attenuation − high-side switch which operates with the standby CC 4 TB2921HQ at pin 22 should 2.5 3 (V) MUTE 2006-05-25 ...
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... C4 to when the muting function is turned ON/OFF will be longer − V bias Figure 7 Wave Form 5 TB2921HQ DC Voltage (+) Amp (at leak (normal DC voltage) CC/2 DC Voltage (−) Amp (at short) (R Offset voltage (at leak or short) L.P.F. To CPU B Threshold level (R V CC/2 Threshold level (R ...
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... High pop noise. Duration until Low pop noise. Duration until muting function is turned muting function is turned ON/OFF is short ON/OFF is long Power supply ripple filtering Pop noise is suppressed when C1:C6 = 1:4 6 TB2921HQ Notes value Pop noise is generated when Pop noise is generated when ...
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... Symbol Rating Unit (surge (DC (opr (peak 6.3 O (peak)-2 P (Note 6) 125 W D −40~85 T °C opr −55~150 T °C stg = 1°C/W (typ.) (Ta = 25°C, with infinite heat sink) j-T 7 TB2921HQ 2006-05-25 ...
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... M 1 MUTE: ON ATT M = 7.75 Vrms→Mute: OFF V OUT ∆V = 400 mA 9 Rpull- kΩ 5.0V Voff-set Based on output DC voltage 8 TB2921HQ Min Typ. Max 200 400 50 43 80 29 ...
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... Ripple TAB TAB Vcc2 Vcc1 IN2 Pre - GND Pre - GND IN3 AC AC GND GND IN4 Stby Stby . . High Side SW H-SW/Offset Mute Mute 9 TB2921HQ +B +B C3:0.1uF C3:0.1uF C5:3900uF Out1(+) Out1(+) Out1(+) RL=4ohm RL=4ohm RL=4ohm PW-GND1 PW-GND1 PW-GND1 Out1(-) Out1(-) Out1(-) ...
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... Package Dimensions Weight: 7.7 g (typ.) 10 TB2921HQ 2006-05-25 ...
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... The product is often the final stage (the external output stage circuit. Substandard performance or malfunction of the destination device to which the circuit supplies output may cause damage to the circuit or to the product. 11 TB2921HQ 030619EBF 2006-05-25 ...