TDA7850A STMicroelectronics, TDA7850A Datasheet
TDA7850A
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TDA7850A Summary of contents
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... Channel output structure allows a rail to rail output voltage swing which, combined with high output current and minimized saturation losses sets new power references in the car-radio field, with unparalleled distortion performances. The TDA7850A integrates a DC offset detector. Package Flexiwatt27 (vertical) Flexiwatt27 (horizontal Rev 3 ...
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... Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 Electrical characteristic curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.1 SVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.2 Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.3 Standby and muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.4 DC offset detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.5 Heatsink definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 TDA7850A ...
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... TDA7850A List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3. Thermal data Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 List of tables 3/16 ...
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... ITU R-ARM frequency response, weighting filter for transient pop Figure 19. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 13 Figure 20. Flexiwatt27 (horizontal) mechanical data and package dimensions 4/ Ω Ω Ω Ω Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ω, SINE Ω, SINE 4Ω, audio program simulation 2Ω, audio program simulation TDA7850A ...
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... TDA7850A 1 Block diagram and application circuit 1.1 Block diagram Figure 1. Block diagram ST-BY MUTE IN1 0.1μF IN2 0.1μF IN3 0.1μF IN4 0.1μF 1.2 Standard test and application circuit Figure 2. Standard test and application circuit ST-BY MUTE IN1 ...
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... IN3 AC-GND OUT3+ PW-GND OUT3 OUT4+ MUTE OUT4- PW-GND HSD TAB 27 D03AU1468 TAB 1 OFF DET PW-GND OUT2- ST-BY OUT2 OUT1- PW-GND OUT1+ SVR IN1 IN2 Horizontal S-GND IN4 IN3 AC-GND OUT3+ PW-GND OUT3 OUT4+ MUTE OUT4- PW-GND HSD TAB 27 AC00107 TDA7850A ...
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... TDA7850A 3 Electrical specifications 3.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V Operating supply voltage supply voltage S (DC) V Peak supply voltage (for ms) S (pk) Output peak current I repetitive (duty cycle Hz) O non repetitive (t = 100 μs) P Power dissipation T tot T Junction temperature j T Storage temperature stg 3 ...
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... ST-BY (Amp: ON) (Amp: OFF Oref (Amp: Play) (Amp: Mute) (Amp: Mute) ≥ Att 80 dB Oref (Amp: Play) Att < 0 1.5 V MUTE (Sourced Current 3.5 V MUTE TDA7850A = 4 Ω 600 Ω kHz; g Min. Typ. Max. Unit 0.006 0.02 % 0.015 0. μV ...
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... TDA7850A Table 4. Electrical characteristics (continued) (Refer to the test and application diagram °C; unless otherwise specified). amb Symbol Parameter Offset detector (Pin 26) V Mute voltage for DC offset M_ON detection enabled V M_OFF V Detected differential output offset V OFF Pin 26 voltage for detection = V 26_T TRUE ...
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... AC00070 Figure 13. Output attenuation vs. supply OUTPUT ATTN (dB 4Ω ref o -20 -40 -60 -80 -100 10000 100000 5 AC00072 TDA7850A Distortion vs. frequency = 4 Ω 100 1000 10000 f (Hz) 100 1000 10000 f (Hz) voltage (V) 100000 AC00069 100000 AC00071 10 AC00073 ...
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... TDA7850A Figure 14. Power dissipation and efficiency vs. output power (R P (W) tot 14 4Ω KHz SINE (W) o Figure 16. Power dissipation vs. output power (R = 4Ω, audio program simulation (W) tot 13 4Ω GAUSSIAN NOISE CLIP START (W) o Figure 18. ITU R-ARM frequency response, weighting filter for transient pop ...
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... DC offset detector The TDA7850A integrates a DC offset detector to avoid that an anomalous DC offset on the inputs of the amplifier may be multiplied by the gain and result in a dangerous large offset on the outputs which may lead to speakers damage for overheating. ...
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... TDA7850A 5 Package information In order to meet environmental requirements, ST (also) offers these devices in ECOPACK packages. ECOPACK is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: www.st.com. ...
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... TDA7850A OUTLINE AND MECHANICAL DATA Flexiwatt27 (Horizontal) 7399738 A ...
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... TDA7850A 6 Revision history Table 5. Document revision history Date 09-Oct-2007 12-Sep-2008 07-Nov-2008 Revision 1 Initial release. 2 Updated the values of V Modified max. values of the THD distortion in 3 characteristics on page 8. Revision history Changes and THD parameters on the Table OS Table 4: Electrical 4. 15/16 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 16/16 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com TDA7850A ...