TDA2005R STMicroelectronics, TDA2005R Datasheet

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TDA2005R

Manufacturer Part Number
TDA2005R
Description
IC AMP AUD 20W CLASS B DUAL
Manufacturer
STMicroelectronics
Type
Class Br
Datasheet

Specifications of TDA2005R

Output Type
1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power X Channels @ Load
22W x 1 @ 3.2 Ohm; 12W x 2 @ 2 Ohm
Voltage - Supply
8 V ~ 18 V
Features
Short-Circuit and Thermal Protection
Mounting Type
Through Hole
Package / Case
Multiwatt-11 (Vertical, Bent and Staggered Leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Features
Description
The TDA2005 is a class B dual audio power
amplifier in Multiwatt11 package specifically
designed for car radio applications.
Table 1.
1. Do not use for New Design.
January 2010
High output power:
– P
– P
Protection against:
– Output DC and AC short circuit to ground
– Overrating chip temperature
– Load dump voltage surge
– Fortuitous open ground
– Very inductive loads
Loudspeaker protection during short circuit for
one wire to ground
o
o
= 10 + 10 W @ R
= 20 W @ R
TDA2005M
TDA2005S
Order code
TDA2005R
Device summary
(1)
(1)
L
= 4 Ω , THD = 10 %.
L
= 2 Ω, THD = 10 %
20 W bridge/stereo amplifier for car radio
Doc ID 1451 Rev 4
Multiwatt11
Multiwatt11
Multiwatt11
Package
Power booster amplifiers can be easily designed
using this device that provides a high current
capability (up to 3.5 A) and can drive very low
impedance loads (down to 1.6 Ω in stereo
applications) obtaining an output power of more
than 20 W (bridge configuration).
Multiwatt11
Packing
Tube
Tube
Tube
TDA2005
www.st.com
1/25
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TDA2005R Summary of contents

Page 1

... Description The TDA2005 is a class B dual audio power amplifier in Multiwatt11 package specifically designed for car radio applications. Table 1. Device summary Order code TDA2005R (1) TDA2005M (1) TDA2005S 1. Do not use for New Design. January 2010 20 W bridge/stereo amplifier for car radio ...

Page 2

Contents Contents 1 Schematic and pins connection diagrams . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . ...

Page 3

TDA2005 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4

List of figures List of figures Figure 1. Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5

TDA2005 1 Schematic and pins connection diagrams Figure 1. Schematic diagram Figure 2. Pins connection diagram (top view) Schematic and pins connection diagrams TAB CONNECTED TO PIN 6 Doc ...

Page 6

Electrical specifications 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol Peak supply voltage (50 ms supply voltage S Operating supply voltage Output peak current (non repetitive t = 0.1 ms) (1) Io Output ...

Page 7

TDA2005 Figure 4. PC board and components layout of 2.3.1 Electrical characteristics (bridge application) Refer to the bridge application circuit T otherwise specified. Table 4. Electrical characteristics (bridge application) Symbol Parameter V Supply voltage S Output offset voltage V os ...

Page 8

Electrical specifications Table 4. Electrical characteristics (bridge application) (continued) Symbol Parameter η Efficiency SVR Supply voltage rejection Thermal shut-down junction T j temperature Output voltage with one side of V OSH the speaker shorted to ground 1. Bandwidth filter: 22 ...

Page 9

TDA2005 2.3.2 Bridge amplifier design The following considerations can be useful when designing a bridge amplifier. Table 5. Bridge amplifier design V Peak output voltage (before clipping) o max I Peak Output current (before clipping) o max P RMS output ...

Page 10

Electrical specifications For sufficiently high gains ( dB possible to put R simplifying the formula in: Table 6. High gain vs (dB Figure 8. Bridge configuration 2.4 Stereo amplifier application Figure ...

Page 11

TDA2005 2.4.1 Electrical characteristics (stereo application) Refer to the stereo application circuit T otherwise specified Table 7. Electrical characteristics (stereo application) Symbol Parameter V Supply voltage S V Quiescent offset voltage o I Total quiescent drain current d P Output ...

Page 12

Electrical specifications Table 7. Electrical characteristics (stereo application) (continued) Symbol Parameter ΔGv Closed loop gain matching e Total input noise voltage N SVR Supply voltage rejection η Efficiency 1. Bandwidth filter kHz. Figure 10. Quiescent output ...

Page 13

TDA2005 Figure 14. Output power vs. supply voltage 1.6 and 3.2Ω (Stereo amplifier ( kHz ...

Page 14

Electrical specifications Figure 20. Supply voltage rejection vs. C2 and C3 1000/10Ω (stereo amplifier) V SVR 14 220 µF (dB Ω kΩ ...

Page 15

TDA2005 3 Application suggestion The recommended values of the components are those shown on bridge application circuit of Figure 3. Different values can be used; the following table can help the designer. Table 8. Recommended values of the component of ...

Page 16

Application information 4 Application information Figure 25. Bridge amplifier without boostrap Figure 26. PC board and components layout of 16/25 Figure 25 Doc ID 1451 Rev 4 TDA2005 ...

Page 17

TDA2005 Figure 27. Low cost bridge amplifier (G Figure 28. PC board and components layout of = 42dB) V Figure 27 Doc ID 1451 Rev 4 Application information 17/25 ...

Page 18

Application information Figure 29 stereo amplifier with tone balance and loudness control Figure 30. Tone control response (circuit of 18/25 Figure 29) (dB MID 0 -3 BASS - ...

Page 19

TDA2005 Figure 31 bus amplifier Figure 32. Simple 20 W two way amplifier ( kHz) C Doc ID 1451 Rev 4 Application information 19/25 ...

Page 20

Application information Figure 33. Bridge amplifier circuit suited for low-gain applications (G Figure 34. Example of muting circuit 4.1 Built-in protection systems 4.1.1 Load dump voltage surge The TDA2005 has a circuit which enables it to withstand voltage pulse train, ...

Page 21

TDA2005 Figure 35. Suggested LC network circuit Figure 36. Voltage gain bridge configuration 4.1.2 Short circuit (AC and DC conditions) The TDA2005 can withstand a permanent short-circuit on the output for a supply voltage 4.1.3 Polarity ...

Page 22

Application information 4.1.7 Thermal shut-down The presence of a thermal limiting circuit offers the following advantages overload on the output (even permanent excessive ambient temperature can be easily withstood. 2. the heatsink can ...

Page 23

TDA2005 5 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 24

Revision history 6 Revision history Table 9. Document revision history Date 09-Jun-1998 20-May-2000 10-Sep-2003 28-Jan-2010 24/25 Revision 1 Initial release. 2 Update logo. 3 Update package drawing. Document reformatted. 4 Updated Features, Description cover page. Doc ID 1451 Rev 4 ...

Page 25

... TDA2005 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. ...

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