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TDA8943SF
7 W mono Bridge Tied Load (BTL) audio amplifier
14 April 1999 Preliminary specification
1. General description
The TDA8943SF is a single-channel audio power amplifier with an output power of
7 W at an 8 Ω load and a 12 V supply. The circuit contains a Bridge Tied Load (BTL)
amplifier with an all-NPN output stage and standby/mute logic. The TDA8943SF
comes in a 9-lead single in-line (SIL) medium power package. The TDA8943SF is
printed-circuit board (PCB) compatible with all other types in t
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier Table 1: Quick reference data…continued Symbol Parameter Conditions Min Typ Max Unit P output power THD = 10%; R =8 Ω; 67- W o L V =12V CC THD total harmonic distortion P = 1 W - 0.03 0.1 % o G voltage gain 31 32 33 dB v SVRR supply voltage ripple 50 --dB rejection 5. Ordering information Table 2: Ordering information Type number Package Name Description Version TDA8943SF SIL9MPF plastic single in-line medium power package SOT110-1 wit
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 6. Block diagram V idth CC 2 TDA8943SF 1 OUT- 5 IN- 4 IN+ 3 OUT+ V CC 7 STANDBY/ MODE MUTE LOGIC 20 kΩ SHORT CIRCUIT 6 SVR AND TEMPERATURE 20 PROTECTION kΩ 8 MBK942 GND Fig 1. Block diagram. 7. Pinning information 7.1 Pinning handbook, halfpage OUT- 1 V 2 CC OUT+ 3 IN+ 4 IN- 5 TDA8943SF SVR 6 MODE 7 GND 8 n.c. 9 MBK941 Fig 2. Pin configuration. 9397 750 04877 © Philips Electronics N.V. 1999. All rights reserved. Preliminary specification
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 7.2 Pin description Table 4: Pin description Symbol Pin Description OUT- 1 negative loudspeaker terminal V 2 supply voltage CC OUT+ 3 positive loudspeaker terminal IN+ 4 positive input IN- 5 negative input SVR 6 half supply voltage decoupling (ripple rejection) MODE 7 mode selection input (standby, mute, operating) GND 8 ground n.c. 9 not connected 8. Functional description The TDA8943SF is a mono BTL audio power amplifier capable of de
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier Operating — In this mode the amplifier is operating normally. The operating mode is activated at V < 0.5 V. MODE 9. Limiting values Table 5: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit V supply voltage operating - 0.3 +18 V CC [1] no signal - 0.3 +25 V V input voltage - 0.3 V + 0.3 V I CC I repetitive peak output current - 2 A ORM T storage temperature non-o
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 12. Dynamic characteristics Table 8: Dynamic characteristics V =12V; T =25 °C; R =8 Ω; f = 1 kHz; V = 0 V; measured in test circuit Figure 3; unless otherwise specified. CC amb L MODE Symbol Parameter Conditions Min Typ Max Unit P output power THD = 10% 6 7 - W o THD = 0.5% 4 5 - W THD total harmonic distortion P = 1 W - 0.03 0.1 % o G voltage gain 31 32 33 dB v Z differential input impedance 70 90 110 kΩ i(dif) [1] V noise output volta
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 14. Test information 14.1 Quality information The General Quality Specification for Integrated Circuits, SNW-FQ-611-part E is applicable and reference can be found in the Quality Reference Handbook, chapter Quality standards for customers. The handbook can be ordered using the code 9397 750 00192. 9397 750 04877 © Philips Electronics N.V. 1999. All rights reserved. Preliminary specification 14 April 1999 7 of 12
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 15. Package outline SIL9MPF: plastic single in-line medium power package with fin; 9 leads SOT110-1 D D 1 q A P P 1 2 A 3 q 2 q 1 A A 4 E pin 1 index c L 19 b Q Z e b w M 2 b 1 0 5 10 mm scale DIMENSIONS (mm are the original dimensions) (1) A 2 (1) (1) Z UNIT A A Abc b b D D E eL P P Q q q q w 3 4 1 2 1 1 1 2 max. max. 18.5 8.7 15.8 1.40 0.67 1.40 0.48 21.8 21.4 6.48 3.9 2.75 3.4 1.75 15.1 4.4 5.9 mm 2.54 3.7 0.25 1.0 17.8 8.0 15.4 1.1
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 16. Soldering 16.1 Introduction to soldering through-hole mount packages This text gives a brief insight to wave, dip and manual soldering. A more in-depth account of soldering ICs can be found in our Data Handbook IC26; Integrated Circuit Packages (document order number 9398 652 90011). Wave soldering is the preferred method for mounting of through-hole mount IC packages on a printed-circuit board. 16.2 Soldering by dipping or by sold
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier 18. Data sheet status [1] Datasheet status Product status Definition Objective specification Development This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. Preliminary specification Qualification This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make cha
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier Philips Semiconductors - a worldwide company Argentina: see South America Netherlands: Tel. +31 40 278 2785, Fax. +31 40 278 8399 Australia: Tel. +61 29 805 4455, Fax. +61 29 805 4466 New Zealand: Tel. +64 98 49 4160, Fax. +64 98 49 7811 Austria: Tel. +43 160 101, Fax. +43 160 101 1210 Norway: Tel. +47 22 74 8000, Fax. +47 22 74 8341 Belarus: Tel. +375 17 220 0733, Fax. +375 17 220 0773 Philippines: Tel. +63 28 16 6380, Fax. +63 28 17
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TDA8943SF Philips Semiconductors 7 W mono BTL audio amplifier Contents 1 General description. . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Applications. . . . . . . . . . . . . . . . . . . . . . . . 1 4 Quick reference data. . . . . . . . . . . . . . . . . 1 5 Ordering information . . . . . . . . . . . . . . . . 2 5.1 Ordering options. . . . . . . . . . . . . . . . . . . . 2 6 Block diagram . . . . . . . . . . . . . . . . . . . . . . 3 7
