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 LM4861Application·Portable Computers
·Cellular Phones
·Toys and GamesPinout
Specifications
| Power@ 8Ohms, 1% THD |
0.68 Watt |
| Power@ 8Ohms, 10% THD |
0.83 Watt |
| THD |
0.55 % |
| PSRR |
50 dB |
| SNR |
98 dB |
| Channels |
1 Channels |
| Supply Range |
+2.7 - +5.5 V |
| THD Conditions |
Po=0.5W @ Vs=5V, R=8 ohms |
| SNR Conditions |
Pout=1W |
| User Supply |
5 Volt |
| Shutdown Type |
High |
| Temperature Min |
-40 deg C |
| Temperature Max |
85 deg C |
| View Using Catalog |
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
Supply Voltage.................................................. 6.0V
Storage Temperature ................−65°C to +150°C
Input Voltage ...........................−0.3V to VDD + 0.3V
Power Dissipation (Note 3)........... Internally limited
ESD Susceptibility (Note 4) ............................3500V
ESD Susceptibility (Note 5) ..............................250V
Junction Temperature ..................................150°C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)................................. 215°C
Infrared (15 sec.) ........................................220°C
See AN-450 "Surface Mounting and their Effects on.Product Reliability" for other methods of soldering surface mount devices.
Thermal Resistance
JC (typ)-M08A ........................................35°C/W
JA (typ)-M08A ......................................170°C/W
JC (typ)-N08E........................................ 37°C/W
JA (typ)-N08E ......................................107°C/W
DescriptionThe LM4862 is a bridge-connected audio power amplifier capable of delivering typically 675mW of continuous average power to an 8 load with 1% THD+N from a 5V power supply.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4862 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is optimally suited for low-power portable systems.
The LM4862 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.
The unity-gain stable LM4862 can be configured by external gain-setting resistors.
Reliability Metrics
| Part Number |
Process |
EFR Reject |
EFR Sample Size |
PPM |
LTA Rejects |
LTA Device Hours |
FITS |
MTTF (Hours) |
| LM4862M |
CS065 |
2 |
34108 |
59 |
0 |
3862000 |
1 |
1095853045 |
| LM4862MX |
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.
LM4862 Data Sheet
