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PDF TDA7285D Data sheet ( Hoja de datos )
| Número de pieza | TDA7285D | |
| Descripción | STEREO CASSETTE PLAYER AND MOTOR SPEED CONTROLLER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7285
STEREO CASSETTE PLAYER AND
MOTOR SPEED CONTROLLER
WIDE OPERATING SUPPLY VOLTAGE (1.8V
to 6V)
HIGH OUTPUT POWER (30mW/32Ω/3V)
LOW DISTORTION DC VOLUME CONTROL
NO BOUCHEROT CELL
LOW QUIESCENT CURRENT (15mA)
NO INPUT CAPACITORS FOR PREAMPLIFI-
ERS
LOW MOTOR REFERENCE VOLTAGE
(200mV)
DESCRIPTION
The TDA7285 is a monolithic integrated circuit
designed for the portable players market and as-
sembled in a plastic DIP20 and SO20. The inter-
nal functions are: preamplifier, DC volume con-
BLOCK DIAGRAM
DIP20
SO20
ORDERING NUMBERS:
TDA7285
TDA7285D
trol, headphone driver and motor speed control-
ler.
May 1997
1/11
1 page  
Figure 3: Quiescent Drain Current vs. Supply
Voltage
TDA7285
Figure 4: Reference voltage VS/2 (pin 20) vs.
Supply Voltage
Figure 5: Closed Loop Gain vs. Frequency
(PREAMPLIFIER)
Figure 6: Distortion vs. Frequency
(PREAMPLIFIER)
VS = 3V
VO = 330mVrms
RL = 10KΩ
Figure 7: Supply Voltage Rejection vs.
Frequency (PREAMPLIFIER)
Figure 8: Quiescent Output Voltage vs. Supply
Voltage (DRIVER)
VS = 3V
RS = 2.2KΩ
VR = 100mVrms
CSVR = 100µF
5/11
5 Page 
TDA7285
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. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously 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.
© 1997 SGS-THOMSON Microelectronics – Printed in Italy – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TDA7285D.PDF ] | |
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| TDA7285 | STEREO CASSETTE PLAYER AND MOTOR SPEED CONTROLLER | ST Microelectronics |
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