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PDF TA7628P Data sheet ( Hoja de datos )
| Número de pieza | TA7628P | |
| Descripción | AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TA7628P/HP
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA7628P,TA7628HP
Amplifier System for Cassette Tape Recorder
TA7628P and TA7628HP are Pre + Power amplifier system
designed for cassette tape recorder.
Features
· Recording playback for pre amplifier
· Buffer amplifier (recording amplifier)
· Power amplifier
· ALC detector circuit
· Muting circuit
· Maximum output power (VCC = 6 V, f = 1 kHz, THD = 10%)
: Pout = 0.6 W (typ.) (RL = 8 Ω) : TA7628P
: Pout = 0.96 W (typ.) (RL = 4 Ω) : TA7628HP
· Low distortion and wide dynamic range
· Without turn-on “POP” for muting circuit
· Operating supply voltage range: VCC (opr) = 3.5~9 V (Ta = 25°C)
Weight: 1.00 g (typ.)
Block Diagram
1 2002-03-05
1 page  
TA7628P/HP
Electrical Characteristics (TA7628HP) (unless otherwise specified, VCC = 6 V, f = 1 kHz,
Ta = 25°C)
Total
Characteristics
Quiescent current
Quiescent current
Symbol
ICCQ (1)
ICCQ (2)
Test
Circuit
Test Condition
― VCC = 3.5 V
― VCC = 6 V
Min Typ. Max Unit
7.5 ― ― mA
11 ― 35 mA
Pre amp.
Characteristics
Open loop voltage gain
Closed loop voltage gain
Maximum output voltage
Input resistance
Equivalent input noise voltage
Symbol
Gvo1
Gv1
Vout1
RIN1
Vni
Test
Circuit
Test Condition
――
――
― THD = 1%
――
― Rg = 0
Min Typ. Max Unit
55 70 ― dB
― 40 ― dB
― 0.7 ― Vrms
― 30 ― kΩ
― 1.4 2.5 µVrms
Pre amp. + Buffer amp.
Characteristics
Closed loop voltage gain
Maximum output voltage
Output noise voltage
ALC effect
ALC range
Symbol
Gv2
Vout2
Vno2
ALC1
ALC2
Test
Circuit
Test Condition
―
Pre amp Gv = 40dB
Buffer amp. Gv = 20dB
― THD = 3%
― Rg = 0, Gv2 = 60dB
―
Vin = 0.775 mVrms (−60dBm)
~0.0775 Vrms (−20dBm)
― Range of THD ≤ 1%
Min Typ. Max Unit
― 60 ― dB
1.5 1.7
― Vrms
― 1.2 2.5 mVrms
― 2 ― dB
― 60 ― dB
Power amp.
Characteristics
Open loop voltage gain
Closed loop voltage gain
Output power
Output noise voltage
Symbol
Gvo3
Gv3
Pout
Vno3
Test
Circuit
Test Condition
――
――
RL = 4 Ω, THD = 10%
― VCC = 9 V, RL = 8 Ω,
THD = 10%
― Rg = 0, Gv = 40dB
Min Typ. Max Unit
60 70
― 40
0.8 0.96
― 1.4
―
―
―
―
dB
dB
W
― 0.3 1.0 mVrms
5 2002-03-05
5 Page 
Package Dimensions
TA7628P/HP
Weight: 1.00 g (typ.)
11 2002-03-05
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TA7628P.PDF ] | |
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