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TB2931HQ

Toshiba
Part Number TB2931HQ
Manufacturer Toshiba
Description 4-Channel Audio Amplifier
Published Jan 22, 2014
Detailed Description TB2931HQ Bi-CMOS TB2931HQ 49 W BTL × 4CH TB2931HQ IC DMOS P-ch 4 N-ch POUT = 49 W BTL • : POUT MAX (1) = 49 W ( ) (VCC...
Datasheet PDF File TB2931HQ PDF File

TB2931HQ
TB2931HQ

Overview
TB2931HQ Bi-CMOS TB2931HQ 49 W BTL × 4CH TB2931HQ IC DMOS P-ch 4 N-ch POUT = 49 W BTL • : POUT MAX (1) = 49 W ( ) (VCC = 15.
2 V, f = 1 kHz, JEITA max, RL = 4 Ω) : POUT MAX (2) = 44W ( ) (VCC = 14.
4 V, f = 1 kHz, JEITA max, RL = 4 Ω) : POUT MAX (3) = 80 W ( ) (VCC = 14.
4 V, f = 1 kHz, JEITA max, RL = 2 Ω) : POUT (1) = 29 W ( ) (VCC = 14.
4 V, f = 1 kHz, THD = 10%, RL = 4 Ω) : POUT (2) = 24 W ( ) (VCC = 13.
2 V, f = 1 kHz, THD = 10%, RL = 4 Ω) • : THD = 0.
01% ( ) (VCC = 13.
2 V, f = 1 kHz, POUT = 5 W, RL = 4 Ω) • : VNO = 50 µVrms ( ) (VCC = 13.
2 V, Rg = 0 Ω, BW = 20 Hz~20 kHz, RL = 4 Ω) • • • • • / : : VCC (opr) =6.
0~18 V (RL = 4 Ω) VCC (opr) =6.
0~16 V (RL = 2 Ω) (4 (22 ) ) (25 ) : 7.
7 g ( ) 1: 2: IC IC IC 1 2011-04-28 Free Datasheet http://www.
datasheet4u.
com/ TB2931HQ C5 C2 10 Ripple C1 11 IN1 1 TAB 6 VCC2 20 VCC1 9 8 7 Out1 (+) PW-GND1 Out1 (−) C1 12 IN2 5 2 Out2 (+) PW-GND2 Out2 (−) 13 Pre-GND 3 C1 15 IN3 17 18 Out3 (+) PW-GND3 C6 16 AC-GND 19 Out3 (−) C1 14 IN4 21 24 Out4 (+) PW-GND4 Out4 (−) 5V Play Mute 4 Stby R1 C4 23 22 Mute Offset/short 25 / / C3 RL RL RL RL +B 2 2011-04-28 Free Datasheet http://www.
datasheet4u.
com/ TB2931HQ ( 1.
4 4 0.
01 µA ( ) (Stand-By 1 (4 ) ) High Low ON/OFF 2 VBE ( ) ) ON Power 10 4 OFF 20 4 Stand-by ON OFF Power OFF ON : VSB 60 2 VSB (V) 0~1.
0 2.
2~VCC 1 STBY 4 < (1) > VCC → ON OFF (2) VCC – – VCC Stand-By VCC – Stand-By – VCC 2 3 2011-04-28 Free Datasheet http://www.
datasheet4u.
com/ TB2931HQ 2.
22 “L” R1 5V 3.
3 V 47 kΩ : 5 V → 3.
3 V 3.
3 V/5 V × 47 k = 31 k C4 ( 3 4 ON/OFF ) ON/OFF POP (22 ) ATT – VMUTE 20 VCC = 13.
2 V f = 1 kHz RL = 4 Ω VO = 20dBm −20 BW = 400 Hz~30 kHz 0 −40 −60 5V 1 kΩ ATT (dB) R1 22 C4 ON/OFF −80 −100 −120 0 0.
5 1 1.
5 2 2.
5 3 : VMUTE (V) 3 4 − VMUTE (V) 4 2011-04-28 Free Datasheet http://www.
datasheet4u.
com/ TB2931HQ 3.
DC V + VCC/2 ( DC (RS1 ) ) or Vref RS1 vol RS2 − Vbias 25 A 5V L.
P.
F.
B Vref/2 + − DC (RS2 ) 5 OUT(−) VCC/2 ( )...


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