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Now downloading free:Philips TDA8943SF

Philips TDA8943SF free download

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File name:TDA8943SF.pdf.zip
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Mfg:Philips
Model:TDA8943SF 🔎
Original:TDA8943SF 🔎
Descr:data sheet
Group:Electronics > Components > Integrated circuits
Uploaded:07-11-2005
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File name TDA8943SF.pdf

TDA8943SF 6 W mono Bridge Tied Load (BTL) audio amplifier Rev. 02 -- 7 April 2000 Product specification 1. General description The TDA8943SF is a single-channel audio power amplifier with an output power of 6 W at an 8 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 the TDA894x family. One PCB footprint accommodates both the mono and the stereo products. 2. Features s s s s s s s s s Few external components Fixed gain Standby and mute mode No on/off switching plops Low standby current High supply voltage ripple rejection Outputs short-circuit protected to ground, supply and across the load Thermally protected Printed-circuit board compatible. c c 3. Applications s Mains fed applications (e.g. TV sound) s PC audio s Portable audio. 4. Quick reference data Table 1: VCC Iq Istb Quick reference data Conditions VCC = 12 V; RL = Min 6 Typ 12 15 Max 18 22 10 Unit V mA µA supply voltage quiescent supply current standby supply current Symbol Parameter Philips Semiconductors TDA8943SF 6 W mono Bridge Tied Load (BTL) audio amplifier Quick reference data...continued Conditions THD = 10%; RL = 8 ; VCC = 12 V Po = 1 W Min 5 31 50 Typ 6 0.03 32 65 Max 0.1 33 Unit W % dB dB output power total harmonic distortion voltage gain supply voltage ripple rejection Table 1: Po THD Gv SVRR Symbol Parameter 5. Ordering information Table 2: Ordering information Package Name TDA8943SF SIL9MPF Description plastic single in-line medium power package with fin; 9 leads Version SOT110-1 Type number 6. Block diagram idth VCC 2 TDA8943SF 1 IN- IN+ 5 4 3 VCC MODE SVR 7 6 20 k 8 MBK942 OUT- OUT+ STANDBY/ MUTE LOGIC 20 k SHORT CIRCUIT AND TEMPERATURE PROTECTION GND Fig 1. Block diagram. 9397 750 06865 © Philips Electronics N.V. 2000. All rights reserved. Product specification Rev. 02 -- 7 April 2000 2 of 20 Philips Semiconductors TDA8943SF 6 W mono Bridge Tied Load (BTL) audio amplifier 7. Pinning information 7.1 Pinning handbook, halfpage OUT- VCC OUT+ IN+ IN- SVR MODE GND n.c. 1 2 3 4 5 TDA8943SF 6 7 8 9 MBK941 Fig 2. Pin configuration. 7.2 Pin description Table 3: Symbol OUT- VCC OUT+ IN+ IN- SVR MODE GND n.c. Pin description Pin 1 2 3 4 5 6 7 8 9 Description negative loudspeaker terminal supply voltage positive loudspeaker terminal positive input negative input half supply voltage decoupling (ripple rejection) mode selection input (standby, mute, operating) ground not connected 8. Functional description The TDA8943SF is a mono BTL audio power amplifier capable of delivering 6 W output power to an 8 load at THD = 10%, using a 12 V power supply and an external heatsink. The voltage gain is fixed at 32 dB. With the three-level MODE input the device can be switched from `standby' to `mute' and to `operating' mode.



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