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(R)
STA7056
3W MONO BRIDGE AMPLIFIER
PRODUCT PREVIEW
NO EXTERNAL COMPONENTS NO POP AT TURN-ON/OFF LOW POWER CONSUMPTION SHORT CIRCUIT PROOF DESCRIPTION The STA7056 is a mono Bridge Amplifier assembled in single in line 9 pins package. The STA7056 is specially designed for battery fed portable recorders, radios and TV receivers.
BI20II TECHNOLOGY
SIP9 ORDERING NUMBER: STA7056
BLOCK DIAGRAM
VS 220F
(1) 0.1F
2 6 (+)
Vi RS 5K SIGNAL GND POWER GND
3
+ 8
RL 16
4 7
(-)
D99AU1000B
(1) This capacitor can be omitted if the supply electrolytic capacitor is placed closer to pin 2
March 2000
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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
STA7056
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO IO Ptot Tj,Tstg Tsc Supply Voltage Output Peak current (repetitive f 20Hz) Output Peak current (non repetitive t = 100s) Total Power Dissipation (Tcase <70C) Storage and Function Temperature Short Circuit Time (the load can be short circuited to all input conditions) Parameter Value 20 1 1.5 10 -40 to 150 1 Unit V A A W C hr
PIN CONNECTION
9 8 7 6 5 4 3 2 1
SIP9
N.C. OUTPUT(-) POWER GROUND OUTPUT(+) N.C. SIGNAL GROUND INPUT(+) VS N.C.
THERMAL DATA
Symbol Rth j-case Rth j-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Value 8 50 Unit C/W C/W
Power Dissipation Assume: Vs = 11V; RL = 16 The minimum sine-wave dissipation is Pd max = The Rth j - amb of the package is 50C/W. T amb (max) = 150 - 50 x 1.52 = 74C
VS2 2 RL2
= 1.52W
2/5
STA7056
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = 12V; RL = 16; RS = 50; f = 1KHz, Tamb = 25C unless otherwise specified.)
Symbol VS Iq Parameter Supply Voltage Total Quiescent Current RL = RL = 16 IO PO Repetitive Peak Output Current Output Power THD = 10%; RL = 16 THD = 10%; RL = 8 THD Gv |Zin| Ii VO SVR Vno Total Harmonic Distortion Voltage Gain Input Impedance Input Bias Current DC Output Offset Voltage Supply Voltage Rejection Noise Output Voltage RS = 5K RS = 0; f = 100Hz to 10 KHz; Vr = 0.2V RS = 5K; f = 20Hz to 20 KHz; 36 50 180 300 PO = 0.5W 39 2.8 3.3 4.5 0.25 40.5 100 100 300 250 1 42 Test Condition Min. 3 6 10 Typ. Max. 18 8 20 0.9 Unit V mA mA A W W % dB K nA mV dB V
3/5
STA7056
DIM. MIN. A a1 B B3 b1 b3 C c1 c2 D d1 e e3 L L1 L2 L3 L4 M N P 17.4 3.1 0.85 2.7
mm TYP. MAX. 7.1 3 23 24.8 0.5 1.6 3.3 0.43 1.32 21.2 14.5 2.54 20.32 0.122 3 17.6 0.25 17.85 3.2 1 0.15 0.685 0.033 0.106 MIN.
inch TYP. MAX. 0.280 0.118 0.90 0.976 0.020 0.063 0.130 0.017 0.052 0.835 0.571 0.100 0.800 0.118 0.693 0.010 0,702 0.126 0.039 0.006
OUTLINE AND MECHANICAL DATA
SIP9
D
C
L1
N P
M
L3
c2
d1
L4
L2
a1
1
9
L
b1 b3 e3 B B3
SIP9
e
1 c
4/5
A
STA7056
Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 2000 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com
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