L4950TS
The LM4950TS is a mono/stereo Class-AB audio power amplifier IC featuring low distortion, shutdown control, and high output power for consumer audio applications
Quick Answer: L4950TS is a high-performance audio power amplifier IC manufactured by Texas Instruments (originally National Semiconductor).
- Manufacturer
- Texas Instruments
- Product Category
- Operational Amplifiers - Op Amps
- Package
- TO263
- Stock
- 1,500 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Texas Instruments |
|---|---|
| Product Category | Operational Amplifiers - Op Amps |
| Applications | Portable Audio Equipment, Multimedia Systems, Consumer Electronics |
| Device Type | Audio Power Amplifier IC |
| Frequency Response | 20 Hz to 20 kHz (Typical) |
| Function | Class-AB Audio Amplifier |
| Gain Configuration | Externally Adjustable |
| Input Type | Analog |
| Load Impedance | 4 Ω (Stereo), 8 Ω (Mono BTL) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to +85°C |
| Output Channel | Mono / Stereo able |
| Output Power (Mono BTL) | 7.5 W |
| Output Power (Stereo) | 3.1 W |
| Package Pins | 9 Pins |
| Package Type | TO-263 / DDPAK |
| Pop & Click Suppression | Integrated |
| Product status | Active (LM4950TS series) |
| Protection Features | Short Circuit Protection |
| Quiescent Current | Low Power Consumption |
| RoHS Status | RoHS Exempt / Lead Finish Dependent |
| Shutdown Function | Active-Low Shutdown Mode |
| Supply Voltage Range | 9.6 V to 16 V |
| Total Harmonic Distortion | Low THD Performance |
| Datasheet | Request Datasheet |
Procurement Snapshot
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Detailed Description for L4950TS
Product Overview
L4950TS is a high-performance audio power amplifier IC manufactured by Texas Instruments (originally National Semiconductor). The device is a Class-AB mono/stereo audio amplifier designed for low-voltage audio applications, providing up to 7.5W mono BTL output power or 3.1W stereo output power. It features low quiescent current, thermal protection, short-circuit protection and shutdown control, making it suitable for portable audio equipment, consumer electronics and embedded sound systems. :contentReference[oaicite:0]{index=0}
Key Features
Manufacturer: Texas Instruments (TI) / National Semiconductor
Part Number: L4950TS / LM4950TS
Device Type: Audio Power Amplifier IC
Product Category: Linear IC / Audio Amplifier
Amplifier Class: Class-AB
Output Configuration: Mono BTL or Stereo SE
Mono Output Power: 7.5W at 8Ω Load
Stereo Output Power: 3.1W per Channel at 4Ω Load
Operating Voltage Range: 9.6V to 16V
Typical Supply Voltage: 12V
Analog Audio Input
Low Quiescent Current Operation
Low Current Active-Low Shutdown Mode
Pop and Click Noise Suppression Circuit
Short Circuit Protection
Thermal Shutdown Protection
Unity Gain Stable Operation
External Gain Configuration Support
High Output Drive Capability
Low Distortion Audio Performance
Single Supply Operation
Operating Temperature Range: -40°C to +85°C
Package Type: TO-263 / DDPAK 9-Pin
Mounting Type: Surface Mount
Application Type: Audio Power Amplification
Typical Applications: Portable Audio Systems, Multimedia Equipment, Consumer Electronics, Embedded Speakers, Industrial Audio Systems and Alarm Equipment
Product Status: Active / Industrial Audio Component
Replacement Note: Verify supply voltage, output power, package type, pin configuration and audio performance requirements before replacement.
Applications
L4950TS is designed for audio systems requiring compact power amplification with reliable protection features. Typical applications include speaker drivers, multimedia devices, portable audio equipment, embedded audio systems, consumer electronics and industrial sound applications. :contentReference[oaicite:1]{index=1}
Quality & Sourcing
Antrex Electronics provides L4950TS sourcing support including inventory verification, RFQ quotation, manufacturer authentication, package confirmation, date code inspection and shipment coordination. OEMs, EMS providers, audio equipment manufacturers and electronic component buyers are welcome to submit BOM lists or obsolete IC sourcing requirements.
Quality inspection services include product photos, marking verification, visual inspection and third-party testing support when required to ensure reliable component supply.
Datasheet
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