Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsLinear ICsLinear IC - Audio amplifier 2-channel (stereo) Class AB Multiwatt 11

Table Of Contents

This is information on a product in full production.

February 2012 Doc ID 15775 Rev 5 1/22

TDA7292

40 W + 40 W stereo amplifier with mute and standby

Datasheet − production data

Features

■ Wide supply voltage range (up to ± 33 V)

■ Split supply

■ High output power

■ 40 W + 40 W into 8 Ω

with V

= ±26 V and THD = 10%

■ No “pop” at turn on/off

■ Mute (“pop”-free)

■ Standby feature (low I

)

■ Short-circuit protection

■ Thermal overload protection

Description

The TDA7292 is a class-AB dual audio power

amplifier assembled in a Multiwatt package.

It has been specifically designed for high-quality

sound applications such as hi-fi music centers

and stereo TV sets.

Figure 1. Applications circuit

Multiwatt11

Table 1. Device summary

Order code Operating temp. range Package Packaging

TDA7292 0° to 70° C Multiwatt11 Tube

+5V

18K15K

IN (L)

1μF

15K

1μF

MUTE/

ST-BY

GND

IN (R)

1μF

4.7Ω

100nF

OUT (L)

OUT (R)

1000μF

D94AU085

RL (L)

RL (R)

-V

μP

560Ω

18K

IN- (L)

IN- (R)

560Ω

18K

47K

www.st.com

Summary of content (22 pages)

PAGE 1
TDA7292 40 W + 40 W stereo amplifier with mute and standby Datasheet − production data Features ■ Wide supply voltage range (up to ± 33 V) ■ Split supply ■ High output power ■ 40 W + 40 W into 8 Ω with VS = ±26 V and THD = 10% ■ No “pop” at turn on/off ■ Mute (“pop”-free) ■ Standby feature (low Iq) Description ■ Short-circuit protection ■ Thermal overload protection The TDA7292 is a class-AB dual audio power amplifier assembled in a Multiwatt package.
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Contents TDA7292 Contents 1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Electrical specifications . . . . . .
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TDA7292 List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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List of figures TDA7292 List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. 4/22 Applications circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pin connections (top view) . . . . . . . . . . . .
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TDA7292 1 Pin description Pin description Figure 2.
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Electrical specifications TDA7292 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol 2.2 Value Unit VS DC supply voltage ±35 V IO Output peak current (internally limited) 5 A Ptot Power dissipation Tcase = 70°C 40 W Top Operating temperature -20 to 85 °C Tj Junction temperature -40 to 150 °C Tstg Storage temperature -40 to 150 °C Thermal data Table 3. 2.
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TDA7292 Electrical specifications Table 4.
PAGE 8
Characterization curves 3 TDA7292 Characterization curves Figure 3. Quiescent current vs. supply voltage Iq (mA) 55 50 Iq+ 45 40 Iq- 35 30 8 10 12 14 16 18 20 22 24 26 28 30 32 34 Vs (+/-V) Figure 4.
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TDA7292 Characterization curves Figure 5. Output power vs. supply voltage Pout (W) 32 28 Rl = 4 ohm f = 1Kz 24 THD=10% 20 16 12 THD=1% 8 4 0 8 10 12 14 16 18 20 Vs (+/-V) Figure 6. Output power vs. supply voltage Pout (W) 44 40 36 Rl = 6 Ohm 32 f = 1Kz 28 24 THD=10% 20 16 12 THD=1% 8 4 0 10 12 14 16 18 20 22 24 Vs (+/-V) Figure 7. Output power vs.
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Characterization curves Figure 8. TDA7292 THD vs. output power THD(%) 10 5 Vs=+/18V Rl = 4 Ohm 2 1 0.5 f = 15KHz 0.2 0.1 0.05 f = 1KHz 0.02 0.01 0.005 0.002 200m 500m 1 2 5 10 20 50 Pout (W) Figure 9. THD vs. output power THD(%) 10 5 Vs= +/-22V 2 Rl = 6 Ohm 1 0.5 f = 15KHz 0.2 0.1 0.05 0.02 f = 1KHz 0.01 0.005 0.002 200m 500m 1 2 5 10 20 50 Pout (W) Figure 10. THD vs. output power THD(%) 10 5 Vs = +/-26V 2 Rl = 8 Ohm 1 0.5 f = 15KHz 0.2 0.1 0.05 0.02 f = 1KHz 0.01 0.005 0.
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TDA7292 Characterization curves Figure 11. Quiescent current vs. voltage on pin 5 Iq (mA) 100 90 80 70 Vs=+/-20V 60 Rl=8Ohm 50 0V = +Vs 40 Vi = 0 30 20 10 0 -10 -9 -8 -7 -6 -5 -4 -3 -4 -3 -2 -1 0 Vpin # 5 (V) Figure 12. Attenuation vs. voltage on pin 5 Attenuation (dB) +10 +0 -10 -20 Vs= +/-20V -30 Rl= 8 Ohm -40 f =1KHz -50 OdB = 1V -60 0V = +Vs -70 -80 -90 -100 -10 -9 -8 -7 -6 -5 -2 -1 -0 Vpin #5 (V) Figure 13. Crosstalk vs.
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Characterization curves TDA7292 Figure 14. Power dissipation vs. output power Pdiss(W) 40 35 Rl =4 Ohm f = 1KHz 30 A Vs= +/- 18V (A) 25 Vs= +/- 16V (B) 20 Vs= +/- 14V (C) B C 15 10 5 0 0.1 1 10 2xPout (W) 100 Figure 15. Power dissipation vs. output power Pdiss(W) 50 45 Rl =6 Ohm 40 35 A f = 1KHz Vs= +/- 24V (A) Vs= +/- 22V (B) 30 25 20 B Vs= +/-20V (C) C 15 10 5 0 0.1 1 10 100 2xPout(W) Figure 16. Power dissipation vs.
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TDA7292 4 Mute and standby modes Mute and standby modes Pin 5 (MUTE/STANDBY) controls the amplifier status by two different thresholds referenced to +VS as given in Table 5 below. See also Table 4: Electrical specifications on page 6. Table 5. Mute and standby thresholds on pin 5 Nominal voltage on pin 5, VPIN5 Mode Remarks > +VS - 2.5 V Standby Output stages turned off > +VS - 6.0 V, < +VS - 2.5 V Mute Output stages turned on, amplifiers muted < +VS - 6.
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Applications information 5 TDA7292 Applications information Warning: SOA protection: If the TDA7292 is operated without a load connected to the output terminals, the SOA protection circuit could be activated when a high amplitude and high frequency signal is applied to the input. The frequency and amplitude of the signal able to trigger the protection is a function also of the supply voltage level used.
PAGE 15
TDA7292 Applications information Table 6.
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Applications information Note: TDA7292 The PCB layout shown in Figure 19, 20, and 21 is common to the pin-to-pin compatible devices TDA7269A, TDA7265 and TDA7265B. Figure 19. PCB layout, solder side Figure 20.
PAGE 17
TDA7292 Applications information Figure 21. PCB component placement 5.2 Applications with single supply Figure 22. Typical applications circuit (single supply) +VS D1 5.1V R1 10K R3 15K C1 1μF C5 1000μF MUTE PLAY 5V 0 MUTE R2 15K C2 100μF IN (L) Q1 BS107 3 5 7 C3 1μF + 4 OUT (L) 8 IN- (L) - 9 C4 1μF IN (R) 11 C6 0.1μF C9 470μF R4 30K R5 1K + 2 IN- (R) R8 4.7Ω C7 0.1μF OUT (L) C10 470μF 10 1 6 GND OUT (R) R6 30K R7 1K R9 4.7Ω C8 0.
PAGE 18
Applications information Note: TDA7292 The PCB layout shown in Figure 23, 24, and 25 is common to the pin-to-pin compatible devices TDA7269A, TDA7265, and TDA7265B. Figure 23. PCB layout, solder side Figure 24.
PAGE 19
TDA7292 Applications information Figure 25.
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Package mechanical data 6 TDA7292 Package mechanical data The TDA7292 comes in an 11-pin Multiwatt package. Figure 26. Multiwatt11 outline drawing and dimensions DIM. mm MIN. TYP. inch MAX. MIN. TYP. MAX. A 5 0.197 B 2.65 0.104 C 1.6 D OUTLINE AND MECHANICAL DATA 0.063 1 0.039 E 0.49 0.55 0.019 0.022 F 0.88 0.95 0.035 0.037 G 1.45 1.7 1.95 0.057 0.067 0.077 G1 16.75 17 17.25 0.659 0.669 0.679 H1 19.6 0.772 H2 20.2 0.795 L 21.9 22.2 22.5 0.862 0.
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TDA7292 7 Revision history Revision history Table 7. Document revision history Date Revision Changes Nov-2004 1 Initial release. Oct-2005 2 Inserted PC board and graphics. Mar-2006 3 Ouput peak current changed. 29-May-2009 4 Updated resistor value setting mute voltage in Figure 1 on page 1 and Table 5 on page 13. 29-Feb-2012 5 Added Note: on page 16 and Note: on page 18 concerning PCB layout for pin-to-pin compatible devices.
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TDA7292 Please Read Carefully: 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.