ta8259h TOSHIBA Semiconductor CORPORATION, ta8259h Datasheet
ta8259h
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ta8259h Summary of contents
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... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Max Power 37 W BTL × 4CH Audio Power IC The TA8259H BTL audio power amplifier for car audio application. This IC can generate more high power: P included the pure complementary PNP and NPN transistor output stage. ...
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... Block Diagram 2 TA8259H 2002-03-05 ...
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... The voltage gain of Amp. 2A, B The voltage gain of BLT Connection : G Therefore, the total voltage gain is decided by expression below (BTL) (description is made only on the single channel) Figure 1 Block diagram : G = 8dB 20dB V2 = 6dB V (BTL 34dB 3 TA8259H 2002-03-05 ...
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... ON or OFF by the microcomputer, the switching relay can be CC omitted. (2) Since the control current is microscopic, the switching relay of small current capacity is satisfactory for switching BE (SB) V (V) (SB) 0~1 Figure 2 With pin 2 set to high, power is turned ON Š Conventional method Š Š Stand-by switch method Š Figure 3 4 TA8259H 2002-03-05 ...
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... BEEP sound or voice synthesizer signal can be input to pin 16 directly. and C and these parts is related the pop noise at power 1 4 must be set up less than 15 kº, we recommend 10 kº. Figure 5 Mute attenuationíV Figure 6 AUX input 5 TA8259H _ 250 µA MUTE (V) mute 2002-03-05 ...
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... In unusual case that output terminal of Power Amp. is condition of output to V and over voltage input mode possible to protect all the system of apparatus as well as power IC protection. In case of being unused this function, use this IC as open-connection on pin 25. pin 25: Open collector output (active low) or output to GND short CC (Application) Figure 7 6 TA8259H 2002-03-05 ...
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... It is possible to improve the audio quality with controlling the volume, tone control circuit through L.P.F. smoothing circuit as shown in Figure 8. In case of being unused this function, use this IC as open connection on pin 25. (Application) pin 25: Open collector output (active low) (A) Output (AC wave form) (B) Clip detector circuit (internal) (C) Clip DET. terminal (pin 25) (pin 25) Figure 8 Figure 9 7 TA8259H 2002-03-05 ...
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... OUT3, 4 R-ch (or L-ch) And, please refer to below table in case of applying the AUX. IN because it is out to OUT1 and 4. ex) in case of the Signal from AUX front speakers. OUT1 Front OUT2 Rear OUT3 Rear OUT4 Front AUX. OUT L-ch (or R-ch) Š Š R-ch (or L-ch) AUX. OUT 8 TA8259H 2002-03-05 ...
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... Stand-by condition H Š Power Š Power: off H Š Mute: off L Š Mute: on Mute: on 7.75 Vrms (20dBm) OUT Š at Mute: off. 9 TA8259H Min Typ. Max Unit Š 200 400 mA Š 37 Š Š 35 Š W Š 24 Š Š Š ...
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... Test Circuit 10 TA8259H 2002-03-05 ...
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... TA8259H 2002-03-05 ...
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... TA8259H 2002-03-05 ...
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... TA8259H 2002-03-05 ...
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... Package Dimensions Weight: 9.8 g (typ.) 14 TA8259H 2002-03-05 ...
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... TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 15 TA8259H 000707EBF 2002-03-05 ...