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TDA7266SA
+BOMIC AMP AB STEREO 7W 15CLIPWATT
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ManufacturerSTMicroelectronics
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Mfr. Part #TDA7266SA
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In Stock2421
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Specifications
| Attribute | Value |
| Part Status | Obsolete |
| Base Product Number | TDA7266 |
| Type | Class AB |
| Output Type | 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 7W x 2 @ 8Ohm |
| Voltage - Supply | 3V ~ 18V |
| Features | Mute, Short-Circuit and Thermal Protection, Standby |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Supplier Device Package | 15-Clipwatt |
| Package | Clipwatt-15 (Vertical, Bent and Staggered Leads) |
| Packaging | Tube |
Overview
Description
The TDA7266SA incorporates thermal protection and short-circuit protection to ensure reliability and longevity. Its compact design makes it ideal for space-constrained applications. With a bridge-tied load (BTL) configuration, it eliminates the need for an output coupling capacitor, thereby simplifying the design and reducing component cost. The IC is capable of delivering up to 7W per channel into a 4-ohm load, which is sufficient for most small to medium-sized audio applications. The TDA7266SA is recognized for its low distortion and noise levels, which contribute to clear and crisp audio output.
Equivalent
1. TDA7297 - A dual bridge amplifier with similar output power capabilities.
2. LM1875 - A popular audio amplifier IC, although with slightly different specifications.
3. TDA2009A - Dual bridge amplifier suitable for similar applications.
4. NTE7053 - A direct replacement for TDA7266SA.
Always verify pin compatibility and electrical specifications when considering replacements.
Features
1. Output Power: It can deliver up to 7W per channel at 8 ohms, suitable for small to medium audio systems.
2. Amplifier Configuration: This IC operates in a bridge-tied load configuration, which helps in maximizing the output power without needing a dual power supply.
3. Supply Voltage: It operates over a wide supply voltage range, typically from 10V to 18V.
4. Low Distortion: The TDA7266SA offers low total harmonic distortion, ensuring high-quality audio output.
5. Mute/Standby Function: It includes built-in mute and standby functions to minimize power consumption and eliminate clicks or pops during power transitions.
6. Thermal Shutdown: Integrated thermal protection prevents damage due to overheating, enhancing reliability.
7. Short Circuit Protection: It provides short circuit protection to safeguard against accidental faults.
8. Compact Package: Available in a compact Multiwatt package, which is ideal for space-constrained designs.
These features make the TDA7266SA suitable for use in TVs, radios, and other consumer audio equipment.
Pinout
Here is a concise overview of its pin functions:
1. IN1: Input for the first amplifier channel.
2. GND (Ground): Common ground pin for the IC.
3. SVR (Supply Voltage Rejection): Used for supply voltage rejection.
4. +Vs1: Positive supply voltage for the first channel.
5. OUT1: Output for the first amplifier channel.
6. BOOT1: Bootstrap pin for the first channel.
7. STBY (Standby): Controls standby mode for power saving.
8. MUTE: Controls muting of the amplifier outputs.
9. BOOT2: Bootstrap pin for the second channel.
10. OUT2: Output for the second amplifier channel.
11. +Vs2: Positive supply voltage for the second channel.
12. GND (Ground): Another ground pin.
13. IN2: Input for the second amplifier channel.
14. NC (Not Connected): No connection.
15. NC (Not Connected): No connection.
This IC typically operates with a supply voltage range of 5V to 15V and is capable of delivering moderate power output, suitable for small to medium-sized audio systems.
Manufacturer
Application
Package
Frequently Asked Questions
Q: What is the maximum output power per channel for the TDA7266SA?
A: It delivers 7W x 2 channels into an 8Ω load, suitable for stereo audio applications.
Q: What is the supply voltage range for this amplifier?
A: The operating voltage range is 3V to 18V, offering flexibility for various power sources.
Q: Does this IC include protection features?
A: Yes, it includes mute, short-circuit protection, thermal protection, and standby mode for reliable operation.
Q: What is the mounting type and package style?
A: It is a through-hole mount in a Clipwatt-15 package with vertical, bent, and staggered leads.
Q: What is the operating temperature range?
A: It operates from 0°C to 70°C, suitable for consumer electronics environments.
Q: Is the TDA7266SA a mono or stereo amplifier?
A: It is a stereo Class AB amplifier with 2-channel (stereo) output type.