TDA7264
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STMicroelectronics TDA7264

Manufacturer No:
TDA7264
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
IC AMP AB STEREO 25W 8MULTIWATT
Delivery:
Payment:
iso14001
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iso9001
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Product Introduction

Overview

The TDA7264/TDA7264A is a class AB dual audio power amplifier produced by STMicroelectronics. It is assembled in the Multiwatt package and is specifically designed for high-quality sound applications such as Hi-Fi music centers and stereo TV sets. This amplifier is known for its high output power and robust feature set, making it a reliable choice for various audio systems.

Key Specifications

Parameter Conditions Min Typ Max Unit
Supply Voltage Range ±5 ±22.5 V
Output Power (THD = 10%) RL = 8 Ω, VS = ±20 V 20 25 25 W
Output Power (THD = 10%) RL = 4 Ω, VS = ±16 V 20 20 W
Total Harmonic Distortion (THD) PO = 1 W, f = 1 kHz, RL = 8 Ω, VS = ±20 V 0.02 %
Crosstalk f = 1 kHz 70 dB
Quiescent Current 80 130 mA
Junction Temperature at Thermal Shut-down 145 °C

Key Features

  • Stand-by feature with low Iq
  • Thermal overload protection
  • Wide supply voltage range (up to ±22.5 V)
  • Split supply
  • High output power: 25 W + 25 W into 8 Ω with VS = ±20 V and THD = 10%
  • No “pop” at turn on/off
  • Mute (“pop”-free)
  • Short-circuit protection
  • Few external components required

Applications

The TDA7264/TDA7264A is designed for high-quality sound applications, including:

  • Hi-Fi music centers
  • Stereo TV sets

Q & A

  1. What is the maximum output power of the TDA7264?

    The TDA7264 can deliver up to 25 W + 25 W into 8 Ω with VS = ±20 V and THD = 10%.

  2. What is the supply voltage range for the TDA7264?

    The supply voltage range is up to ±22.5 V.

  3. Does the TDA7264 have thermal overload protection?

    Yes, the TDA7264 includes thermal overload protection.

  4. What is the quiescent current in standby mode?

    The quiescent current in standby mode is approximately 3 mA.

  5. Is the TDA7264 protected against short circuits?

    Yes, the TDA7264 has short-circuit protection.

  6. Does the TDA7264 produce any “pop” noise at turn on/off?

    No, the TDA7264 is designed to have no “pop” noise at turn on/off.

  7. What is the typical total harmonic distortion (THD) at 1 W output?

    The typical THD at 1 W output is 0.02% at 1 kHz with RL = 8 Ω and VS = ±20 V.

  8. What is the junction temperature at thermal shut-down?

    The junction temperature at thermal shut-down is 145°C.

  9. What package type is the TDA7264 available in?

    The TDA7264 is available in an 8-pin Multiwatt package.

  10. Does the TDA7264 have a mute function?

    Yes, the TDA7264 has a “pop”-free mute function.

Product Attributes

Type:Class AB
Output Type:2-Channel (Stereo)
Max Output Power x Channels @ Load:25W x 2 @ 4Ohm
Voltage - Supply:±5V ~ 22.5V
Features:Depop, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:Through Hole
Operating Temperature:0°C ~ 70°C (TA)
Supplier Device Package:8-Multiwatt
Package / Case:Multiwatt-8 (Straight Leads)
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Similar Products

Part Number TDA7264 TDA7265 TDA7266 TDA7267 TDA7268 TDA7264A TDA7269 TDA7261 TDA7262 TDA7263
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Type Class AB Class AB Class AB Class AB Class AB Class AB Class AB Class AB Class AB Class AB
Output Type 2-Channel (Stereo) 2-Channel (Stereo) 2-Channel (Stereo) 1-Channel (Mono) 2-Channel (Stereo) 2-Channel (Stereo) 2-Channel (Stereo) 1-Channel (Mono) 2-Channel (Stereo) 2-Channel (Stereo)
Max Output Power x Channels @ Load 25W x 2 @ 4Ohm 25W x 2 @ 8Ohm 7W x 2 @ 8Ohm 2W x 1 @ 8Ohm 2W x 2 @ 8Ohm 25W x 2 @ 4Ohm 10W x 2 @ 8Ohm 32W x 1 @ 8Ohm 28W x 2 @ 4Ohm 12W x 2 @ 8Ohm
Voltage - Supply ±5V ~ 22.5V ±5V ~ 25V 3V ~ 18V 4.5V ~ 18V 4.5V ~ 18V ±5V ~ 22.5V ±5V ~ 20V 10V ~ 45V, ±5V ~ 22.5V 8V ~ 32V 10V ~ 30V
Features Depop, Mute, Short-Circuit and Thermal Protection, Standby Depop, Mute, Short-Circuit and Thermal Protection, Standby Mute, Short-Circuit and Thermal Protection, Standby Depop, Short-Circuit and Thermal Protection, Standby Depop, Short-Circuit and Thermal Protection, Standby Depop, Mute, Short-Circuit and Thermal Protection, Standby Depop, Mute, Short-Circuit and Thermal Protection, Standby Depop, Mute, Short-Circuit and Thermal Protection, Standby Short-Circuit and Thermal Protection, Standby Depop, Mute, Short-Circuit and Thermal Protection
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole
Operating Temperature 0°C ~ 70°C (TA) -20°C ~ 85°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) 0°C ~ 70°C (TA)
Supplier Device Package 8-Multiwatt 11-Multiwatt 15-Multiwatt 8-Mini DIP 16-PowerDIP 11-Multiwatt 11-Multiwatt 8-Multiwatt 11-Multiwatt 11-Clipwatt
Package / Case Multiwatt-8 (Straight Leads) Multiwatt-11 (Vertical, Bent and Staggered Leads) Multiwatt-15 (Vertical, Bent and Staggered Leads) 8-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) Multiwatt-11 (Vertical, Bent and Staggered Leads) Multiwatt-11 (Vertical, Bent and Staggered Leads) Multiwatt-8 (Straight Leads) Multiwatt-11 (Vertical, Bent and Staggered Leads) Clipwatt-11 (Vertical, Bent and Staggered Leads)

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