Texas Instruments · Audio Amplifiers
LM49450SQ/NOPB
Texas Instruments Audio Amplifiers · QFN-32-EP(5x5)
Part-number family from National Semiconductor (now Texas Instruments, 2011). Older stock may carry National Semiconductor markings.
Request a quote for LM49450SQ/NOPBThe LM49450SQ/NOPB is an Audio Amplifiers from Texas Instruments, supplied in a QFN-32-EP(5x5) package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).
Key specifications of the LM49450SQ/NOPB: power supply rejection ratio (psrr) 67dB, 77dB, speaker channels 2-Channel, quiescent current 7.5mA, 5.3mA, operating temperature -40°C~+85°C, class Class D and efficiency 87%, 80%.
PartnerSemi sources the LM49450SQ/NOPB for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.
Specifications
| Manufacturer part number | LM49450SQ/NOPB |
|---|---|
| Manufacturer | Texas Instruments |
| Heritage brand (part family) | National Semiconductor |
| Product type | Audio Amplifiers |
| Category | Amplifiers & Comparators |
| Package / case | QFN-32-EP(5x5) |
| Class | Class D |
| Efficiency | 87%, 80% |
| Number of Inputs | 2 Single-Ended Inputs |
| Operating Temperature | -40°C~+85°C |
| Output Power | 2.5Wx2@4Ω |
| Power Supply Rejection Ratio (PSRR) | 67dB, 77dB |
| Quiescent Current | 7.5mA, 5.3mA |
| Signal-to-Noise Ratio | 102dB |
| Speaker Channels | 2-Channel |
| Total Harmonic Distortion + Noise (THD+N) | 0.06% |
| Voltage - Supply | 2.7V~5.5V |
Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.
More Texas Instruments Amplifiers & Comparators
| Part number | Type | |
|---|---|---|
| LM4890MX/NOPB | Audio Amplifiers | |
| LM4902 | amplifier IC | |
| LM4902MM/NOPB | Audio Amplifiers | |
| LM49450 | amplifier IC | |
| LM4949TL/NOPB | Audio Amplifiers | |
| LM4950 | amplifier IC | |
| LM4950TSX/NOPB | Audio Amplifiers | |
| LM4951 | amplifier IC |
Frequently asked questions
What is the LM49450SQ/NOPB?
The LM49450SQ/NOPB is an Audio Amplifiers from Texas Instruments, supplied in a QFN-32-EP(5x5) package. It is listed in our Amplifiers & Comparators catalog (Analog & Mixed Signal).
What are the specifications of the LM49450SQ/NOPB?
Class: Class D; Efficiency: 87%, 80%; Number of Inputs: 2 Single-Ended Inputs; Operating Temperature: -40°C~+85°C; Output Power: 2.5Wx2@4Ω; Power Supply Rejection Ratio (PSRR): 67dB, 77dB; Quiescent Current: 7.5mA, 5.3mA; Signal-to-Noise Ratio: 102dB; Speaker Channels: 2-Channel; Total Harmonic Distortion + Noise (THD+N): 0.06%; Voltage - Supply: 2.7V~5.5V.
What package is the LM49450SQ/NOPB in?
The LM49450SQ/NOPB is listed in a QFN-32-EP(5x5) package.
Which part numbers are similar to the LM49450SQ/NOPB?
Similar part numbers in our catalog include LM4890MX/NOPB (Texas Instruments), LM4902 (Texas Instruments), LM4902MM/NOPB (Texas Instruments), LM49450 (Texas Instruments), LM4949TL/NOPB (Texas Instruments) and LM4950 (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.
How can I buy the LM49450SQ/NOPB?
Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=LM49450SQ%2FNOPB&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.