Part Number: TB2931HQ
Function: 49W BTL x 4channel, Audio Amplifier
Package: HZIP 25 Pin Type
Manufacturer: Toshiba
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Description
This is 4ch, Audio Amplifier.
TB2931HQ Bi-CMOS TB2931HQ 49 W BTL × 4CH 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 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 ( 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 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 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 ( ) OUT(+) GND A (25 ) GND B (LPF ) GND RS2 5 2011-04-28 Free Datasheet http:/// TB2931HQ 4. 4Ω VCC IC out SP = 4 Ω out GND GND 6 25 25 3.3 Ω ( ) SET 6 2011-04-28 Free Datasheet http:/// TB2931HQ 5. Pop AC-GND 1:4 ON C1/C6 Pop C2 ON/OFF Pop C2 C1/C6 ON Pop C4 ON 10uF 47uF OFF C2 C1 OFF DC AC-GND C6 6. C1 C2 C3 C4 C5 C6 0.22 µF 47 µF 0.1 µF 1 µF 3900 µF 1 µF AMP C1:C6 = 1:4 Pop Pop Pop Pop ON/OFF ON/OFF VCC → ON Pop VCC → ON Pop 7 2011-04-28 Free TB2931HQ (Ta = 25°C) (0.2 ) VCC (surge) VCC (DC) VCC (opr) 50 25 18 9 ) 125 −40~85 −55~150 V V V A W °C °C ( ) IO (peak) PD ( Topr Tstg : Ta = 25°C IC (θj-T = 1°C/W) IC ( , VCC = 13.2 V, f = 1 kHz, RL = 4 Ω, Ta = 25°C) ICCQ POUT MAX (1) POUT MAX (2) POUT MAX (3) POUT (1) POUT (2) THD GV ∆GV VNO (1) VNO (2) R.R. C. […]
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