LM48820TMX/NOPB
Active95-MW, STEREO, ANALOG INPUT HEADPHONE AMPLIFIER WITH FIXED 1.5 V/V GAIN
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LM48820TMX/NOPB
Active95-MW, STEREO, ANALOG INPUT HEADPHONE AMPLIFIER WITH FIXED 1.5 V/V GAIN
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Technical Specifications
Parameters and characteristics for this part
| Specification | LM48820TMX/NOPB |
|---|---|
| Features | Depop, Thermal Protection, Shutdown |
| Max Output Power x Channels @ Load | 2 |
| Max Output Power x Channels @ Load | 16 Ohm, 95 mW |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Headphones, 2-Channel (Stereo) |
| Package / Case | 14-WFBGA, DSBGA |
| Supplier Device Package | 14-DSBGA |
| Type | Class AB |
| Voltage - Supply [Max] | 4.5 V |
| Voltage - Supply [Min] | 1.6 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 3000 | $ 0.69 | |
| 6000 | $ 0.66 | |||
| 15000 | $ 0.64 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.25 | |
| 100 | $ 1.03 | |||
| 250 | $ 0.74 | |||
| 1000 | $ 0.56 | |||
Description
General part information
LM48820 Series
The LM48820 is a ground referenced, fixed-gain audio power amplifier capable of delivering 95mW of continuous average power into a 16Ω single-ended load, with less than 1% THD+N from a 3V power supply.
The LM48820 features a new circuit technology that utilizes a charge pump to generate a negative reference voltage. This allows the outputs to be biased about ground, thereby eliminating output-coupling capacitors typically used with normal single-ended loads.
Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal number of external components. The LM48820 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other portable applications.
Documents
Technical documentation and resources