TA8205AH / AL
TA8205AH,TA8205AL
18W BTL×2CH IC
TA8205AH TA8205AL CPP−17 (Compact Power Package 17 Pin) θj−T
ICIC 2
: POUT(1) = 18W ( ) /
(VCC = 14.4V f = 1kHz THD = 10% RL = 4Ω) POUT(2) = 15W ( ) /
(VCC = 13.2V f = 1kHz THD = 10% RL = 4Ω)
·: THD = 0.04% ( )
(VCC = 13.2V f = 1kHz POUT = 1W RL = 4Ω GV = 50dB)
·: VNO = 0.30mVrms ( )
(VCC = 13.2V RL = 4Ω GV = 50dB Rg = 0Ω BW = 20Hz~20kHz)
·((4) Low Power→OFF) ISB = 1µA ( )
·((1) Low Power→OFF) V (Mute) = 1V ( )
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: VCC = 9~18V |
HZIP17−P−2.00 : 9.8g ( ) HSIP17−P−2.00 : 9.8g ( )
1 |
2002-10-22 |
TA8205AH / AL
( ) 1.
IC 1 Pre-Amp: Amp1 Amp2Flat Amp3 Amp4
Pre-Amp VCC→ON Pop
2 |
2002-10-22 |
TA8205AH / AL
IC : GV Amp1 GV1
GV1 |
= 20ℓog |
R1+ (Rf + R2) |
(dB)………(1) |
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Rf + R2 |
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: Amp3 : Amp4GV3 GV4 = 20dB
GV BTL
GV = GV1+GV3+6 (dB)………(2)
Rf = 0Ω (1) (2)
GV 24+20+6 = 50dB
Rf
( 2)
(1)
(2)VCC→ON Pop 3 4
2.
(4) (Stand-By ) High Low
Power→ON OFF
(4) 3V ( )
1µA ( )
(4) : V(SB)
Stand-By |
Power |
V(SB)(V) |
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ON |
OFF |
0~2 |
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OFF |
ON |
3~VCC |
(1) VCC→ON OFF
(2)
3 |
2002-10-22 |
TA8205AH / AL
3.
C4: C4 R
-GND C6
(1) (GV )
GV
4.Power→ON
IC Pre-Amp (Amp1) VCC→ON Amp1 NF
VCC→ON PopNF NF (C1 C2)
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( ) |
(A) GV = 50dB (Rf = 0Ω) |
: C1 = 4.7µF C2 = 47µF |
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(B) GV = 40dB (Rf = 470Ω) |
: C1 = 3.3µF C2 = 33µF |
4 |
2002-10-22 |
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