TDA7490L STMicroelectronics, TDA7490L Datasheet
TDA7490L
Specifications of TDA7490L
Available stocks
Related parts for TDA7490L
TDA7490L Summary of contents
Page 1
... December 2005 20W + 20W STEREO CLASS-D AMPLIFIER Figure 1. Package Table 1. Order Codes Part Number 2 DESCRIPTION The TDA7490L is a dual audio class D amplifier assembled in Flexiwatt 25 package specially designed for high efficiency application mainly for TV and Home Stereo sets. R17 52. C26 470pF C25 470pF R21 4 ...
Page 2
... TDA7490L Figure 3. Test and Application Circuit. (Bridge Configuration) INPUT 10 PRE R63 4.7K PRE 18 Table 2. Absolute Maximum Ratings Symbol V DC Supply Voltage (no signal Power Dissipation T tot case Storage and Junction Temperature stg j T Operating Temperature Range op V Maximum Voltage on pins # 6,8,10,18 referred to GND 6,8,10,18 Table 3 ...
Page 3
... C22 470pF 2 1 C25 R4 R20 130K 68K BOOT1 OUT1 T1 TDA7490L OSC T2 OUT2 BOOT2 100uF C11 470pF C9 R6 68K 52.3K TDA7490L +Vs R22 * 1K 1K 100 R23 * R15 33nF C20 C19 5 L1 30uF 560pF C18 C10 330pF 220nF 1 2 R14 22K C17 24pF ...
Page 4
... TDA7490L Figure 5. Pin Connection 1 Table 4. Pin Description Pin N° Name 1 -V Negative signal/substrate supply CC sign/sub 2 -V Negative power supply CH1 CCpow1 3 out 1 PWM output of CH1 4 +V Positive power supply CH1 CCpow1 5 BOOT1 Bootstrap CH1 6 STBY-MUTE Control State Pin 7 FEED1 Feedback pin 1 CH1 ...
Page 5
... S L THD = 10% THD= 4Ω Vcc=±13.5V L THD = 10% THD= ±19V 8Ω Pο = 20W + 20W; THD = 10 20W + 20W 8Ω Curve f = 20Hz to 22KHz KHz 100Hz 0.5 r (5) the device goes in Stand-By mode TDA7490L Min. Typ. Max. Unit ±10 ± 120 mA -150 +150 14 0.1 ...
Page 6
... TDA7490L Figure 6. P.C. Board and Component Layout of the Figs (for Stereo and Bridge Compatible Configuration) 6/11 Component Side Solder Side ...
Page 7
... Figure 12. Distortion vs. Output Power in BTL THD (%) THD (%) D99AU1102 0.5 0.5 0.2 0.2 0.1 0.1 0.05 0.05 0.02 0.02 0.01 0. f(KHz) 200m 200m TDA7490L V ±17V; S= Rl= 8Ω; 0dB Vs=± 19V Vs=± 19V Vs=± 19V ohm ohm ohm f = 1KHz f = 1KHz f = 1KHz ...
Page 8
... TDA7490L Figure 13. Distortion vs. Output Power in BTL 10 10 THD (%) THD (%) 5 5 BTL BTL Vcc=+/-20V Vcc=+/-20V 2 2 Rl=16ohm Rl=16ohm f = 1KHz f = 1KHz 1 1 Filter AES Filter AES 0.5 0.5 0.2 0.2 0.1 0.1 0.05 0.05 0.02 0.02 0.01 0.01 200m 200m 500m ...
Page 9
... TDA7490L OUTLINE AND MECHANICAL DATA Flexiwatt25 (vertical FLEX25ME 7034862 D 9/11 ...
Page 10
... TDA7490L Table 6. Revision History Date Revision March 2001 1 December 2005 2 10/11 Description of Changes First Issue Corrected the value of the inductance in the caption of the Table 5 “Electrical Characteristics”. ...
Page 11
... All other names are the property of their respective owners 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 © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com TDA7490L 11/11 ...