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TA8256BH

Toshiba
Part Number TA8256BH
Manufacturer Toshiba
Description AUDIO POWER AMPLIFIER
Published Aug 13, 2005
Detailed Description TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8256BH Audio Power Amplifier 6 W × 3 Ch TA8256BH TA8256...
Datasheet PDF File TA8256BH PDF File

TA8256BH
TA8256BH

Overview
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8256BH Audio Power Amplifier 6 W × 3 Ch TA8256BH TA8256BH is 3 channel audio power amplifier for Consumer applications.
This IC provides an output power of 6 watts per channel (at VCC = 20 V, f = 1 kHz, THD = 10%, RL = 8 Ω).
It is suitable for power amplifier of TV and home Stereo.
Features · High output power: Pout = 6 W (Typ.
) (VCC = 20 V、RL = 8 Ω、f = 1 kHz、THD = 10%) · Built-in audio muting circuit.
· NF terminal capacitor less Weight: 4.
04 g (typ.
) : Fixed gain (Gv = 34dB), needless external capacitor.
· Protectors : Thermal shut down protection circuit, over voltage protection circuit · Low poping noise · High THD ratio · High input dynamic range · Available for using same PCB layout with 2 channel IC: TA8246AH · Operating supply voltage range : VCC (opr) = 10~30 V (Ta = 25°C) 1 2002-02-13 Block Diagram INPUT1 INPUT2 INPUT3 6 RIPPLE FILTER 4 kW 4 Amp 1 30 kW 350 W 20 kW 9 8 OUT1 2.
1 V 3 Pre-GND V18 PW-GND 10 350 W 4 kW 2 20 kW Amp 2 12 OUT2 30 kW 30 kW 4 kW 1 Amp 3 11 OUT3 350 W 20 kW 5 MUTE SW 7 MUTE T.
C.
TA8256BH VCC RL RL RL 2 2002-02-13 Terminal Explanation Terminal No.
Symbol 1 IN3 Function 2 IN2 Input 4 IN1 3 Pre-GND GND terminal 5 MUTE SW MUTE control terminal 7 MUTE T.
C.
TA8256BH Equivalent Circuit 1, 2, 4 IN 4 kW VCC 20 kW OUT 30 kW 350 W NF GND ¾ VCC 7 10 kW 5 to MUTE Amplifier GND 10 kW 6 R/F Ripple filter 6 8 OUT1 11 OUT3 12 OUT2 9 VCC 10 PW-GND Output Supply voltage terminal GND terminal 3 5.
1 kW 2.
2 kW to POP-NOIZE preventive circuit to Bias circuit VCC 8, 11, 12 OUT GND ¾ ¾ 2002-02-13 TA8256BH Cautions This IC is not proof enough against a strong E-M field by CRT which may cause malfunction such as leak.
Please set the IC keeping the distance from CRT.
Maximum Ratings (Ta = 25°C) Characteristic Symbol Rating Unit Supply voltage Output current (peak/ch) Power dissipation Operating temperature Storage temperatu...


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