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PDF TA8248K Data sheet ( Hoja de datos )
| Número de pieza | TA8248K | |
| Descripción | LOW FREQUENCY POWER AMPLIFIER | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8248K
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
: Pout (1) = 2.5 W (typ.)
(VCC = 9 V, RL = 4Ω, f = 1 kHz, THD = 10%)
: Pout (2) = 4.6 W (typ.)
(VCC = 12 V, RL = 4Ω, f = 1 kHz, THD = 10%)
· Low Popping Noise at Power ON
· Small Quiescent Current
: ICCQ = 21 mA (typ.) (VCC = 15 V, Vin = 0)
· Soft Clip
· Built-in Thermal Shut Down Protection Circuit
· Best for Supply Voltage 9 V, 12 V
· Operation Supply Voltage Range : VCC (opr) = 6~15 V (Ta = 25°C)
Weight: 3.9 g (typ.)
TA8248K
1 2002-04-05
1 page  
TA8248K
Electrical Characteristics
(unless otherwise specified, VCC = 9 V, RL = 4 Ω, Rg = 600 Ω, f = 1 kHz, Ta = 25°C, Rf = 120 Ω)
Characteristics
Quiescent current
Output power
Total harmonic distortion
Voltage gain
Input resistance
Output noise voltage
Ripple rejection ratio
Cross talk
Input offset voltage
Stand-by current
Symbol
ICCQ
Pout (1)
Pout (2)
THD
Gv (1)
Gv (2)
RIN
Vno
R.R.
C.T.
V11, V12
IOFF
Test
Circuit
Test Condition
― Vin = 0
― THD = 10%
― THD = 10%, VCC = 12 V
― Pout = 0.4 W/ch
―
Rf = 120 Ω,
Vout = 0.775 Vrms (0dBm)
―
Rf = 0,
Vout = 0.775 Vrms (0dBm)
―
―
Rg = 10 kΩ,
BW = 20 Hz~20 kHz
― Rg = 600 Ω, fripple = 100 kHz
―
Rg = 600 Ω, amp1 2,
Vout = 0.775 Vrms (0dBm)
――
― SW1 → OFF
Min Typ. Max Unit
― 21 45 mA
2.0 2.5
―
― 4.6 ―
W
― 0.2 1.0 %
43 45 47
― 56.5 ―
dB
― 30 ― kΩ
― 0.3 1.0 mVrms
― −52 ―
dB
― −50 ―
dB
― 30 60 mV
― 1 ― µA
5 2002-04-05
5 Page 
Package Dimensions
TA8248K
Weight: 3.9 g (typ.)
11 2002-04-05
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TA8248K.PDF ] | |
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