TDA8947J/N3,112 NXP Semiconductors, TDA8947J/N3,112 Datasheet
TDA8947J/N3,112
Specifications of TDA8947J/N3,112
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TDA8947J
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TDA8947J/N3,112 Summary of contents
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TDA8947J 4-channel audio amplifier Rev. 02 — 16 June 2005 1. General description The TDA8947J contains four identical audio power amplifiers. The TDA8947J can be used as: four Single-Ended (SE) channels with a fixed gain of 26 dB, two times ...
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Philips Semiconductors 4. Quick reference data Table 1: Symbol stb P o(SE) P o(BTL) THD G v(max) SVRR [1] The amplifier can deliver output power with non clipping output signals into nominal loads as long ...
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Philips Semiconductors 6. Block diagram Fig 1. Block diagram 9397 750 14938 Product data sheet V V CC1 3 8 IN1 IN2 IN3 IN4 CIV ...
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Philips Semiconductors 7. Pinning information 7.1 Pinning Fig 2. Pin configuration 7.2 Pin description Table 3: Symbol OUT1+ GND1 V CC1 OUT2 MODE2 IN2+ SGND IN1+ IN3+ MODE1 SVR IN4+ CIV OUT3 GND2 9397 750 14938 Product data sheet OUT1 ...
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Philips Semiconductors Table 3: Symbol V CC2 OUT4+ TAB 8. Functional description 8.1 Input configuration The input cut-off frequency is cut off – For SE application cut off – For BTL application ...
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Philips Semiconductors 8.2.1 Output power measurement The output power as a function of the supply voltage is measured on the output pins at THD = 10 %; see The maximum output power is limited by the supply voltage (V maximum ...
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Philips Semiconductors On — The amplifier is operating normally. The On mode is activated at V MODE1 The output channels 3 and 4 can be switched on/off by applying a proper DC voltage to pin MODE2, under the condition that ...
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Philips Semiconductors 8.5 Built-in protection circuits The TDA8947J contains two types of detection sensors: one measures local temperatures of the power stages and one measures the global chip temperature local temperature of approximately 185 global ...
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Philips Semiconductors 11. Static characteristics Table 8: Static characteristics amb L otherwise specified. Symbol Parameter Supply V supply voltage CC I quiescent supply current q I ...
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Philips Semiconductors Table 9: Dynamic characteristics kHz amb L otherwise specified. Symbol Parameter V noise output voltage n(o) SVRR supply voltage ripple ...
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Philips Semiconductors BTL mV Fig 4. AC output voltage as function of voltage on pin MODE1 ( THD ...
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Philips Semiconductors 2 10 THD N (%) kHz Fig 6. Total harmonic distortion-plus-noise as function of ...
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Philips Semiconductors ( THD = kHz Fig 8. Output power as function of supply voltage 20 P ...
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Philips Semiconductors 0 cs (dB 100 Fig 10. Channel separation as function of frequency (no bandpass filter applied) 0 ...
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Philips Semiconductors 13. Application information 13.1 Application diagrams 100 270 BC547 7.5 V 2.2 F micro- BC547 controller 1.5 k Fig 12. Typical application diagram without on/off switching plops Table 11: Microcontroller with ...
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Philips Semiconductors 220 220 470 MODE1 MICRO- CONTROLLER MODE2 Fig 13. Application diagram with one pin control and reduction of capacitor Remark: Because of switching inductive ...
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Philips Semiconductors 13.2 Printed-circuit board 13.2.1 Layout and grounding To obtain a high-level system performance, certain grounding techniques are essential. The input reference grounds have to be tied with their respective source grounds and must have separate tracks from the ...
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Philips Semiconductors 13.3 Thermal behavior and heatsink calculation The measured maximum thermal resistance of the IC package calculation for the heatsink can be made, with the following parameters: T amb(max and ...
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Philips Semiconductors 150 T j (˚C ) (1) (2) (3) 100 external heatsink of 5 K/W. amb ( ( (3) R ...
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Philips Semiconductors 15. Package outline DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm DIMENSIONS (mm are the original dimensions) UNIT 17.0 4.6 0.75 0.48 24.0 mm 15.5 4.4 ...
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Philips Semiconductors 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 ...
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Philips Semiconductors 17. Revision history Table 13: Revision history Document ID Release date TDA8947J_2 20050616 • Modifications: The format of this data sheet has been redesigned to comply with the new presentation and information standard of Philips Semiconductors. TDA8947J-01 20040206 ...
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Philips Semiconductors 18. Data sheet status [1] Level Data sheet status Product status I Objective data Development II Preliminary data Qualification III Product data Production [1] Please consult the most recently issued data sheet before initiating or completing a design. ...
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Philips Semiconductors 23. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...