TA8248 TOSHIBA [Toshiba Semiconductor], TA8248 Datasheet

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TA8248

Manufacturer Part Number
TA8248
Description
LOW FREQUENCY POWER AMPLIFIER
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet

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Part Number:
TA8248K
Manufacturer:
ST
0
Low Frequency Power Amplifier
TA8248K is an audio power IC with built-in two channels
developed for portable radio cassette tape recorder with power
ON/OFF switch.
Because of the parts reduction and SIP (Single Inline Package),
space merit is remarkable.
Thermal shut down protection circuit is built in.
Features
·
·
·
·
·
·
·
High Power
: P
: P
Low Popping Noise at Power ON
Small Quiescent Current
: I
Soft Clip
Built-in Thermal Shut Down Protection Circuit
Best for Supply Voltage 9 V, 12 V
Operation Supply Voltage Range : V
(V
(V
CCQ
out (1)
out (2)
CC
CC
= 9 V, R
= 12 V, R
= 21 mA (typ.) (V
= 2.5 W (typ.)
= 4.6 W (typ.)
L
L
= 4Ω, f = 1 kHz, THD = 10%)
= 4Ω, f = 1 kHz, THD = 10%)
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
CC
= 15 V, V
CC (opr)
in
= 0)
TA8248K
= 6~15 V (Ta = 25°C)
1
Weight: 3.9 g (typ.)
2002-04-05
TA8248K

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TA8248 Summary of contents

Page 1

... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic Low Frequency Power Amplifier TA8248K is an audio power IC with built-in two channels developed for portable radio cassette tape recorder with power ON/OFF switch. Because of the parts reduction and SIP (Single Inline Package), space merit is remarkable. ...

Page 2

... Block Diagram 2 TA8248K 2002-04-05 ...

Page 3

... Application after checking volume slide noise is recommended. For cutting the volume slide noise, insert the input capacitor : C in Fig. 56.5dB (typ.) = 45dB (typ.) Figure 1 is possible. However, since the feedback increase is liable to produce v Figure 2 3 TA8248K in series to interrupt the DC component. IN 2002-04-05 ...

Page 4

... Storage temperature Note 2: Derated above Ta = 25°C in the proportion of 120 mW/°C. = 300 mVrms (typ Symbol Rating Unit 2 (peak) P (Note 2) 15 −20~75 °C opr T −55~150 °C stg 4 TA8248K = 4 Ω kHz : Enough care must be L 2002-04-05 ...

Page 5

... Hz~20 kHz R.R. ― 600 Ω ripple R = 600 Ω, amp1 g C.T. ― 0.775 Vrms (0dBm) out ― ― ― SW1 → OFF OFF 5 TA8248K = 120 Ω) f Min Typ. Max ― 2.0 2.5 ― ― 4.6 ― ― 0.2 1 ― 56.5 ― ― ...

Page 6

... This IC can be used without coupling capacitor (C is undesirable, it needs to use the capacitor (C *2: The condenser between the pin 8 and the GND (C11) is for reducing POP noise when the power ON/OFF switch (SW1) is set to ON/OFF volume slide noise occurred by input offset voltage TA8248K 2002-04-05 ...

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... TA8248K 2002-04-05 ...

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... TA8248K 2002-04-05 ...

Page 9

... TA8248K 2002-04-05 ...

Page 10

... TA8248K 2002-04-05 ...

Page 11

... Package Dimensions Weight: 3.9 g (typ.) 11 TA8248K 2002-04-05 ...

Page 12

... 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. 12 TA8248K 000707EBA 2002-04-05 ...

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