TA8273HQ TOSHIBA Semiconductor CORPORATION, TA8273HQ Datasheet
TA8273HQ
Available stocks
Related parts for TA8273HQ
TA8273HQ Summary of contents
Page 1
... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Max Power 47 W BTL × Audio Power IC The TA8273HQ BTL audio power amplifier for car audio application. This IC can generate more high power included the pure complementary PNP and NPN transistor output stage ...
Page 2
... TAB V V CC1 CC2 OUT1 (+) 9 IN1 PW-GND1 8 OUT1 (−) 7 OUT2 (+) 5 IN2 PW-GND2 2 OUT2 (−) 3 AUX IN OUT3 (+) 17 IN3 PW-GND3 18 OUT3 (−) 19 OUT4 (+) 21 IN4 PW-GND4 24 OUT4 (−) 23 DIAGNOSIS RIP STBY MUTE OUT TA8273HQ PRE-GND : PW-GND 2006-04-28 ...
Page 3
... Since the control current is microscopic, the switching relay of small current capacity is satisfactory for switching Amp. 2A Amp. 1 Amp. 2B Figure 1 Block Diagram = 1dB : 20dB : 6dB V (BTL 27dB ON Power OFF SB V (V) SB 0~1.5 3~V CC Figure 2 With pin 4 set to High, 3 TA8273HQ kΩ 4 ≈ BIAS CUTTING CIRCUIT Power is turned ON 2006-04-28 ...
Page 4
... A 0 −20 −40 −60 −80 −100 0 0.4 0.8 1 1.2 Point A voltage: V MUTE (V) MUTE Figure 5 Mute Attenuation − TA8273HQ RELAY BATTERY FROM MICROCOMPUTER BATTERY V CC > MUTE ATT – V MUTE 10 kΩ 5 kΩ 13 Ω kHz BW = 400~30 kHz 1 ...
Page 5
... GND /GND or Over Voltage Power Supplied (typ.) CC (Flashing) LED/LCD ALARM (Announcement from a speaker.) REGULATOR → OFF Figure 8 Application 1 5 TA8273HQ 20dB AMP. OUT (+) OUT (−) AUX AMP 16 − 20dB turned turned on (Relay → OFF) 2006-04-28 ...
Page 6
... V) ref/2 bias Figure 9 Application and Detection Mechanism (−) Amp output GND Voltage of point (A) GND Voltage of point (B) GND Figure 10 Wave Form 6 TA8273HQ DC voltage of (+) Amp (at leak) V (normal DC voltage) CC/2 DC voltage of (−) Amp (at leak) t Offset voltage (at leak) L.P.F. To CPU B V CC/2 Threshold level ...
Page 7
... Power: OFF SB ⎯ Mute: OFF M ⎯ kΩ Mute: ON Mute: ON, ⎯ = 7.75 Vrms (20dBm) at ATT M V OUT Mute: OFF. 7 TA8273HQ , Ta = 25°C) Min Typ. Max Unit ⎯ 200 400 mA ⎯ ⎯ 47 ⎯ ⎯ ⎯ ⎯ 29 ⎯ ⎯ ...
Page 8
... TAB V V CC1 CC2 OUT1 (+) 9 IN1 PW-GND1 8 OUT1 (−) 7 OUT2 (+) 5 IN2 PW-GND2 2 OUT2 (−) 3 AUX IN OUT3 (+) 17 IN3 PW-GND3 18 OUT3 (−) 19 OUT4 (+) 21 IN4 PW-GND4 24 OUT4 (−) 23 DIAGNOSIS RIP STBY MUTE OUT TA8273HQ PRE-GND : PW-GND 2006-04-28 ...
Page 9
... Power supply voltage V CC (V) T.H.D – P 100 kHz Ω drive 9.0 V 0.5 0.3 0.1 0.05 0.03 0.01 100 0.1 0.3 0.5 1 Output power P T.H.D – 13 Ω P OUT = 0.1 0.01 10 100 30 Frequency f (Hz) 9 TA8273HQ OUT 13 100 (W) OUT 100 k 2006-04-28 ...
Page 10
... V OUT = 0.775 Vrms (0dBm) − 620 Ω − Ω −30 −40 −50 −60 −70 100 k 10 100 Frequency f (Hz) 10 TA8273HQ OUT1, 3 OUT2 100 k OUT2 → OUT1 OUT2 → OUT3 100 k OUT4 → OUT1 100 k ...
Page 11
... NO HEAT SINK 80 RθJA = 39°C/W ① ② ③ 100 125 Ambient temperature Ta (° 13 100 k Output power P 150 11 TA8273HQ – P OUT kHz Ω /ch (C) OUT 2006-04-28 ...
Page 12
... Package Dimensions Weight: 7.7 g (typ.) 12 TA8273HQ 2006-04-28 ...
Page 13
... TA8273HQ 2006-04-28 ...
Page 14
... In addition, depending on the IC, the use of silicon rubber may be prohibited. Check whether the use of silicon rubber is prohibited for the IC you intend to use, or not. For details of power IC heat radiation design and heat sink installation, refer to individual technical datasheets or IC databooks. 14 TA8273HQ 2006-04-28 ...
Page 15
... R-type flux (2) Use of Sn-3.0Ag-0.5Cu solder Bath · solder bath temperature = 245°C · dipping time = 5 seconds · the number of times = once · use of R-type flux 021023_D 021023_B 060106_Q 15 TA8273HQ 060116EBF 021023_E 2006-04-28 ...