TB2903HQ Toshiba, TB2903HQ Datasheet
TB2903HQ
Specifications of TB2903HQ
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TB2903HQ Summary of contents
Page 1
... TOSHIBA Bi-CMOS Digital Integrated Circuit Silicon Monolithic 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: 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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... PW-GND1 OUT1 (−) OUT2 (+) IN2 PW-GND2 OUT2 (−) OUT3 (+) IN3 PW-GND3 OUT3 (−) OUT4 (+) IN4 PW-GND4 OUT4 (−) Off-set RIP STBY MUTE DET TB2903HQ PLAY 1 MUTE : PRE-GND ...
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... Amp. 2A Amp. 1 Input Amp. 2B Figure 1 Block Diagram : G = 0dB 20dB V2 = 6dB V (BTL 26dB V (BTL) (pin 4) ON OFF SB V (V) SB 0~1.5 3.5~6 V Figure 2 With pin 4 set to High, 3 TB2903HQ V CC Power 10 kΩ 4 ≈ BIAS CUTTING CIRCUIT Power is turned ON 2004-07-25 ...
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... 1kHz Ω OUT −20 −40 −60 −80 Mute ON/OFF control −100 −120 0 Figure 5 Mute Attenuation − TB2903HQ Relay Battery From microcomputer Battery V CC ATT – V MUTE = 20dBm 0.5 1 1.5 2 2.5 3 Pin 22 control voltage: V MUTE (V) MUTE 2004-07-25 (V) ...
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... Amp output GND Voltage of point (A) GND Voltage of point (B) GND − V bias Figure 7 Wave Form 5 TB2903HQ 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 ( 2004-07- ...
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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 TB2903HQ Notes value Pop noise is generated when Pop noise is generated when ...
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... SB ⎯ POWER: OFF SB ⎯ MUTE: OFF M ⎯ kΩ MUTE: ON MUTE: ON ⎯ ATT M = 7.75 Vrms→Mute: OFF V OUT 7 TB2903HQ Min Typ. Max ⎯ 200 400 ⎯ ⎯ 47 ⎯ ⎯ 43 ⎯ ⎯ 29 ⎯ ⎯ 0.015 0. −1 ...
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... OUT1 (−) OUT2 (+) IN2 PW-GND2 OUT2 (−) OUT3 (+) IN3 PW-GND3 OUT3 (−) OUT4 (+) IN4 PW-GND4 OUT4 (−) Off-set RIP STBY MUTE DET kΩ TB2903HQ ±1.0 ±1.5 ±2 ...
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... Ω 30 Filter 100 Hz : ~30 kHz 1kHz 10 10 kHz : 400 Hz kHz : 400 Hz 0.5 0.3 0.1 0.05 0.03 0.01 0.005 0.003 0.001 30 50 0.1 0.3 100 9 TB2903HQ THD – P (ch2) OUT : 400 Hz~30 kHz : 400 Hz~30 kHz 20 kHz 10 kHz 1 kHz f = 100 Hz 0.5 0 100 100 Output power P OUT (W) THD – ...
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... 13 Ω kHz 13.2 V Filter 400 Hz~30 kHz 0.5 16.0 V 0.3 0.1 0.05 0.03 0.01 0.005 0.003 0.001 30 50 0.1 0.3 100 10 TB2903HQ THD – P (ch2) OUT 13 9.0 V 16 100 Output power P OUT (W) THD – P (ch4) OUT 13 9.0 V 16 100 ...
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... 13 Ω OUT = filter 0.3 0.1 2ch 0.03 4ch 0.01 3ch 1ch 0.003 0.001 10 100 100 k frequency f (Hz) 11 TB2903HQ R.R. – 100 k THD – 100 k 2004-07-25 ...
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... NFINITE HEAT SINK (2) HEAT SINK (RθHS = 3.5°C/W) 100 (3) NO HEAT SINK Ambient temperature Ta (°C) 12 TB2903HQ – P (ch2) OUT 100 Hz 10 kHz kHz 13 Ω No filter – P (ch4) OUT 100 Hz 10 kHz kHz ...
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... 620 Ω −40 ch2 −60 −80 100 kHz Ω 4ch drive 100 TB2903HQ C.T. – f (ch2) ch1 ch3 ch4 100 100 k frequency f (Hz) C.T. – f (ch4) ch1 ch2 ch3 100 100 k frequency f (Hz) P – ...
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... Package Dimensions Weight: 7.7 g (typ.) 14 TB2903HQ 2004-07-25 ...
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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. 15 TB2903HQ 030619EBF 2004-07-25 ...