TDA7850H STMicroelectronics, TDA7850H Datasheet
TDA7850H
Specifications of TDA7850H
Related parts for TDA7850H
TDA7850H Summary of contents
Page 1
... Load dump voltage ■ Fortuitous open gnd ■ Reversed battery Table 1. Device summary Order code TDA7850 TDA7850H November 2008 MOSFET quad bridge power amplifier ■ ESD Description , across the s The TDA7850 is a breakthrough MOSFET technology class AB audio power amplifier in Flexiwatt 25 package designed for high power car radio ...
Page 2
Contents Contents 1 Block diagram and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Block diagram . ...
Page 3
TDA7850 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4
List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5
TDA7850 1 Block diagram and application circuit 1.1 Block diagram Figure 1. Block diagram IN1 IN2 IN3 IN4 1.2 Standard test and application circuit Figure 2. Standard test and application circuit ST-BY MUTE IN1 IN2 C2 0.1μF IN3 C3 0.1μF ...
Page 6
Pin description 2 Pin description Figure 3. Pin connection (top view) 6/18 TAB 1 P-GND2 OUT2- ST-BY OUT2 OUT1- P-GND1 OUT1+ SVR IN1 Vertical IN2 S-GND IN4 IN3 AC-GND OUT3+ P-GND3 OUT3 OUT4+ MUTE OUT4- P-GND4 ...
Page 7
TDA7850 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 ...
Page 8
Electrical specifications 3.3 Electrical characteristics Table 4. Electrical characteristics (Refer to the test and application diagram °C; unless otherwise specified). amb Symbol Parameter I Quiescent current q1 V Output offset voltage OS During mute ON/OFF output ...
Page 9
TDA7850 Table 4. Electrical characteristics (continued) (Refer to the test and application diagram °C; unless otherwise specified). amb Symbol Parameter V V automute threshold Muting pin current pin23 HSD section V Dropout ...
Page 10
Electrical specifications Figure 4. Components and top copper layer of the Figure 5. Bottom copper layer 10/18 Figure 2. Figure 2. TDA7850 ...
Page 11
TDA7850 3.4 Electrical characteristic curves Figure 6. Quiescent current vs. supply voltage I d (mA) 200 190 ∞ 180 170 160 150 140 130 120 110 100 (V) ...
Page 12
Electrical specifications Figure 12. Distortion vs. frequency (R = 2Ω) L THD (%) 14 2Ω 0.1 0.01 0.001 10 100 1000 f (Hz) Figure 14. Supply ...
Page 13
TDA7850 Figure 18. Power dissipation vs. output power (R = 4Ω, audio program simulation (W) tot 13 4Ω GAUSSIAN NOISE CLIP START ...
Page 14
Application hints 4 Application hints Referred to the circuit of 4.1 SVR Besides its contribution to the ripple rejection, the SVR capacitor governs the turn ON/OFF time sequence and, consequently, plays an essential role in the pop optimization during ON/OFF ...
Page 15
TDA7850 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 ...
Page 16
Package information Figure 22. Flexiwatt25 (horizontal) mechanical data and package dimensions DIM. MIN. A 4. 0.37 F (1) G 0.75 G1 23.70 H (2) 28. (2) 21.64 L1 10.15 L2 (2) ...
Page 17
TDA7850 6 Revision history Table 5. Document revision history Date 22-Nov-2006 27-Feb-2007 09-Oct-2007 12-Sep-2008 07-Nov-2008 Revision 1 Initial release. 2 Added Chapter 3.4: Electrical characteristic Updated the values for the dV 3 Added Figure 20 on page Updated Figure 2: ...
Page 18
... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...