TDA7264A STMicroelectronics, TDA7264A Datasheet

IC AMP AUDIO PWR 25W MULTIWATT11

TDA7264A

Manufacturer Part Number
TDA7264A
Description
IC AMP AUDIO PWR 25W MULTIWATT11
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheets

Specifications of TDA7264A

Output Type
2-Channel (Stereo)
Max Output Power X Channels @ Load
25W x 2 @ 4 Ohm
Voltage - Supply
±5 V ~ 22.5 V
Features
Depop, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type
Through Hole
Package / Case
Multiwatt-11 (Vertical, Bent and Staggered Leads)
Operational Class
Class-AB
Audio Amplifier Output Configuration
2-Channel Stereo
Output Power (typ)
25x2@8OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.03@4Ohm@1W%
Single Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (typ)
±9/±12/±15/±18V
Power Supply Requirement
Dual
Power Dissipation
30W
Rail/rail I/o Type
No
Power Supply Rejection Ratio
60dB
Single Supply Voltage (min)
Not RequiredV
Single Supply Voltage (max)
Not RequiredV
Dual Supply Voltage (min)
±5V
Dual Supply Voltage (max)
±22.5V
Operating Temp Range
-40C to 150C
Operating Temperature Classification
Automotive
Mounting
Through Hole
Pin Count
11 +Tab
Package Type
MULTIWATT V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
Table 1.
Figure 1.
July 2009
TDA7264
Wide supply voltage range (up to ±22.5 V)
Split supply
High output power
– 25 W + 25 W into 8 Ω
No “pop” at turn on/off
Mute (“pop”-free)
Standby feature (low I
Few external components
Short-circuit protection
Thermal overload protection
with V
Order code
+5V
S
Device summary
Applications circuit
= ±20 V and THD = 10%
µP
25 W + 25 W stereo amplifier with mute and standby
15K
q
)
0 to 70 °C
Operating temperature
15K
1µF
1µF
1µF
18K
D94AU069A
MUTE/
ST-BY
IN (R)
IN (L)
GND
Doc ID 1477 Rev 6
4
6
7
8
Multiwatt8
Description
The TDA7264 is class-AB dual audio power
amplifier assembled in a Multiwatt package.
It is specially designed for high-quality sound
applications such as hi-fi music centers and
stereo TV sets.
+
+
-
-
1000µF
Package
+V
S
-V
+V
2
5
S
S
3
1
Multiwatt8
OUT (R)
OUT (L)
4.7Ω
4.7Ω
100nF
100nF
1000µF
Tube
TDA7264
Packaging
RL (R)
RL (L)
www.st.com
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TDA7264A Summary of contents

Page 1

stereo amplifier with mute and standby Features Wide supply voltage range (up to ±22.5 V) Split supply High output power – into 8 Ω with V = ±20 V and ...

Page 2

Pin description 1 Pin description Figure 2. Pin connection (top view) 2/ Tab connected to pin 5 Doc ID 1477 Rev 6 TDA7264 IN (1) GND IN ( MUTE/ST-BY OUTPUT ...

Page 3

TDA7264 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V DC supply voltage S I Output Peak Current (internally limited power Dissipation T tot T Operating temperature op T Junction temperature j T ...

Page 4

Electrical specifications Table 4. Electrical specifications (continued) Symbol THD Total harmonic distortion C Crosstalk T SR Slew rate G Closed-loop voltage gain V ∆G Voltage gain matching V eN Total input noise R Input resistance i SVRR Supply voltage rejection ...

Page 5

TDA7264 3 Characterization curves Figure 3. Quiescent current vs Supply Voltage Figure 4. Frequency response Doc ID 1477 Rev 6 Characterization curves 5/14 ...

Page 6

Characterization curves Figure 5. Output power vs supply voltage Figure 6. Distortion vs output power Figure 7. Crosstalk vs frequency 6/14 Doc ID 1477 Rev 6 TDA7264 ...

Page 7

TDA7264 Figure 8. SVRR vs frequency Figure 9. Attenuation and quiescent current vs voltage on pin 4 Figure 10. Power dissipation vs output power Doc ID 1477 Rev 6 Characterization curves 7/14 ...

Page 8

Mute and standby modes 4 Mute and standby modes Pin 4 (MUTE/STANDBY) controls the amplifier status by two different thresholds referenced given in S Table 5. Mute and standby thresholds on pin 5 Nominal voltage on pin ...

Page 9

TDA7264 5 Applications information Figure 12. Schematic of demo board SW1 ST-BY DZ SW1 SW2 A A Standby A B Standby B B Mute B A Play Figure 13. Component layout of demo-board R2 C3 15K 1µF ...

Page 10

Applications information Table 6. Recommended component values for demo board Recommended Component R1 10 kΩ kΩ kΩ kΩ 4.7 Ω R5 µF C1 µF 1000 µF C4, C6 0.1 ...

Page 11

TDA7264 6 Package mechanical data The TDA7264 comes in a 8-pin Multiwatt package with pin 5 internally connected to the metal tab. Figure 14. Multiwatt8 outline drawing In order to meet environmental requirements, ST offers these devices in different grades ...

Page 12

Package mechanical data Table 7. Multiwatt8 package dimensions Reference Diam.1 Diam.2 12/14 Dimensions in mm Min ...

Page 13

... TDA7264 7 Revision history Table 8. Document revision history Date Jan-2004 01-Jul-2009 Revision 5 First issue in EDOCS 6 Removed references to TDA7264A Doc ID 1477 Rev 6 Revision history Changes 13/14 ...

Page 14

... 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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