LM486TM, LM4870M, LM4871 Selling Leads, Datasheet
MFG:NS Package Cooled:SOP8 D/C:09+
LM486TM, LM4870M, LM4871 Datasheet download
Part Number: LM486TM
MFG: NS
Package Cooled: SOP8
D/C: 09+
LM486TM, LM4870M, LM4871
- Table of contents:
Info of LM486TM
Info of LM4870M
Info of LM4871
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About LM40
PDF/DataSheet Download
Datasheet: LM40
File Size: 378376 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About LM4870M
PDF/DataSheet Download
Datasheet: LM4870M
File Size: 265910 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About LM4871
PDF/DataSheet Download
Datasheet: LM4871
File Size: 249569 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
LM4871 General Description
The LM4871 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3 load with less than 10% THD when powered by a 5V power supply . To conserve power in portable applications, the LM4871's micropower shutdown mode (IQ = 0.6µA, typ) is activated when VDD is applied to the SHUTDOWN pin.
Boomer audio power amplifiers are designed specifically to provide high power, high fidelity audio output. They require few external components and operate on low supply voltages from 2.0V to 5.5V. Since the LM4871 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is ideally suited for low-power portable systems that require minimum volume and weight.
Additional LM4871 features include thermal shutdown protection, unity-gain stability, and external gain set.
Reliability Metrics
| Part Number | Process | EFR Reject | EFR Sample Size | PPM | LTA Rejects | LTA Device Hours | FITS | MTTF (Hours) |
| LM4871LD | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
| LM4871LDX | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
| LM4871M | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
| LM4871MM | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
| LM4871MMX | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
| LM4871MX | CS065 | 2 | 34108 | 59 | 0 | 3862000 | 1 | 1095853045 |
Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.
For more information on Reliability Metrics, please click here.
LM4871 Maximum Ratings
| Power@ 4Ohms, 1% THD | 2.2 Watt |
| Power@ 8Ohms, 1% THD | 1.2 Watt |
| Power@ 4Ohms, 10% THD | 2.5 Watt |
| Power@ 8Ohms, 10% THD | 1.5 Watt |
| THD | 0.13, 0.25 % |
| PSRR | 60 dB |
| SNR | 98 dB |
| Channels | 1 Channels |
| Supply Range | +2.0 - +5.5 V |
| THD Conditions | Po=1W @ Vs=5V, R=8 ohms, Po=1.6W @ Vs=5V, R=4 ohms |
| User Supply | 5 Volt |
| Shutdown Type | High |
| Temperature Min | -40 deg C |
| Temperature Max | 85 deg C |
| View Using Catalog | |
LM4871 Features
No output coupling capacitors, bootstrap capacitors, or snubber circuits are necessary
Small Outline or DIP packaging
Unity-gain stable
External gain configuration capability
Pin compatible with LM4861
Small Outline or DIP packaging
Unity-gain stable
External gain configuration capability
Pin compatible with LM4861
LM4871 Typical Application
Portable Computers
Desktop Computers
Low Voltage Audio Systems
Desktop Computers
Low Voltage Audio Systems
LM4871 Connection Diagram
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