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PDF TDA7250 Data sheet ( Hoja de datos )
| Número de pieza | TDA7250 | |
| Descripción | 6W AUDIO AMPLIFIER WITH STAND-BY | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7250
60 W HI-FI DUAL AUDIO DRIVER
. WIDE SUPPLY VOLTAGE RANGE : 20 TO 90 V
(± 10 to ± 45 V)
. VERY LOW DISTORTION
. AUTOMATIC QUIESCENT CURRENT
CONTROL FOR THE POWER TRANSISTORS
WITHOUT TEMPERATURE SENSE
ELEMENTS
. OVERLOAD CURRENT PROTECTION FOR
THE POWER TRANSISTORS
. MUTE/STAND-BY FUNCTIONS
. LOW POWER CONSUMPTION
. OUTPUT POWER 60 W/8 Ω AND 100 W/4 Ω
DIP20
ORDERING NUMBER : TDA7250
DE SCR I P TI O N
The TDA7250 stereo audio driver is designed to
drive two pair of complementary output transistor in
the Hi-Fi power amplifiers.
APPLICATION CIRCUIT
March 1995
1/11
1 page  
TDA7250
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, Vs = ± 35 V, play mode, unless otherwise
specified)
Symbol
Parameter
Vs Supply Voltage
Id Quiescent Drain Current
Ib Input Bias Current
Vos Input Offset Voltage
Ios Input Offset Current
Gv Open Loop Voltage Gain
eN Input Noise Voltage
SR Slew Rate
d Total Harmonic Distortion
Vopp Output Voltage Swing
Po Output Power (*)
Io
SVR
Cs
Output Current
Supply Voltage Rejection
Channel Separation
Test Conditions
Stand-by Mode
Play Mode
f = 100 Hz
f = 10 kHz
RG = 600 Ω
B = 20 Hz to 20 kHz
Gv = 26 dB, Po = 40 W
f = 1 kHz
f = 20 kHz
Vs = ± 35 V, RL = 8 Ω
Vs = ± 30 V, RL = 8 Ω
Vs = ± 35 V, RL = 4 Ω
f = 100 Hz
f = 1 kHz
Min.
± 10
Typ.
8
10
0.2
1
100
90
60
3
Max.
± 45
14
1
± 10
200
10
0.004
0.03
60
60
40
100
±5
75
75
Unit
V
mA
µA
mV
nA
dB
µV
V/µs
%
%
Vpp
W
W
W
mA
dB
dB
MUTE / STANDBY/ PLAY FUNCTIONS
Symbol
Parameter
Ii Input Current (pin 5)
Vth Comparator Standby /
Threshold (**)
H Hysteresis Standby / Mute
Vth Comparator Mute / Play
Threshold (**)
H Hysteresis Mute / Play
Mute Attenuation
Vi Input Voltage Max. (pin 5)
Mute
Test Conditions
f = 1 kHz
Min.
1.0
2.4
12 (**)
(*) Appli cation circuit of fig. 1
(**) Referred to − Vs.
f = 1 KHz ;
d = 0.1 % ;
Gv =26 dB.
CURRENT SURVEY CIRCUITRY
Typ.
0.1
1.25
200
3.0
300
60
Max.
1.5
3.6
Unit
µA
V
mV
V
mV
dB
V
Symbol
Parameter
Comparator Reference
td Delay Time
Test Conditions
to + VS
to – VS
Min.
0.8
0.8
10
Typ.
1
1
Max.
1.4
1.4
Unit
V
V
µs
QUIESCENT CURRENT CONTROL
Symbol
Parameter
Capacitor Current
Comparator Reference
Test Conditions
Charge
Discharge
to + VS
to – VS
Min.
30
250
10
Typ.
60
500
20
10
Max.
25
Unit
µA
µA
mV
mV
5/11
5 Page 
TDA7250
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for
the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifica-
tions mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information pre-
viously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.
© 1995 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore -
Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TDA7250.PDF ] | |
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