LM48824TM/NOPB
ActiveAUDIO AMP HEADPHONE 2-CH STEREO 0.037W CLASS-G 16-PIN DSBGA T/R
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LM48824TM/NOPB
ActiveAUDIO AMP HEADPHONE 2-CH STEREO 0.037W CLASS-G 16-PIN DSBGA T/R
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Technical Specifications
Parameters and characteristics for this part
| Specification | LM48824TM/NOPB |
|---|---|
| Features | Volume Control, Mute, Shutdown, Differential Inputs, I2C, Depop |
| Max Output Power x Channels @ Load | 37 mW |
| Max Output Power x Channels @ Load [custom] | 2 |
| Mounting Type | Surface Mount |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | Headphones, 2-Channel (Stereo) |
| Package / Case | 16-WFBGA, DSBGA |
| Supplier Device Package | 16-DSBGA |
| Type | Class G |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 2.4 V |
| Part | Type | Mounting Type | Voltage - Supply [Min] | Voltage - Supply [Max] | Package / Case | Operating Temperature [Max] | Operating Temperature [Min] | Output Type | Features | Supplier Device Package | Max Output Power x Channels @ Load [custom] | Max Output Power x Channels @ Load | Supplied Contents | Amplifier Type | Utilized IC / Part | Board Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Texas Instruments | Class G | Surface Mount | 2.4 V | 5.5 V | 16-WFBGA DSBGA | 85 °C | -40 °C | Headphones 2-Channel (Stereo) | Depop Differential Inputs I2C Mute Shutdown Volume Control | 16-DSBGA | 2 | 37 mW | ||||
Texas Instruments | 2.4 V | 5.5 V | Headphones 2-Channel (Stereo) | 2 | 37 mW | Board(s) | Class G | LM48824 | Fully Populated | |||||||
Texas Instruments | Class G | Surface Mount | 2.4 V | 5.5 V | 16-WFBGA DSBGA | 85 °C | -40 °C | Headphones 2-Channel (Stereo) | Depop Differential Inputs I2C Mute Shutdown Volume Control | 16-DSBGA | 2 | 37 mW |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.08 | |
| 10 | $ 1.87 | |||
| 25 | $ 1.76 | |||
| 100 | $ 1.50 | |||
| Digi-Reel® | 1 | $ 2.08 | ||
| 10 | $ 1.87 | |||
| 25 | $ 1.76 | |||
| 100 | $ 1.50 | |||
| Tape & Reel (TR) | 250 | $ 0.86 | ||
| 500 | $ 0.76 | |||
| Texas Instruments | SMALL T&R | 1 | $ 1.80 | |
| 100 | $ 1.48 | |||
| 250 | $ 1.07 | |||
| 1000 | $ 0.80 | |||
Description
General part information
LM48824 Series
The LM48824 is a Class G, ground-referenced stereo headphone amplifier designed for portable devices. The LM48824 features TI’s ground-referenced architecture, which eliminates the large DC blocking capacitors required by traditional headphone amplifiers, saving board space and minimizing system cost.
The LM48824 takes advantage of TI’s patent-pending Class G architecture offering power savings compared to a traditional Class AB headphone amplifier. Additionally, output noise is improved by common-mode sensing that corrects for any differences between the amplifier ground and the potential at the headphone return terminal, minimizing noise created by any ground mismatches.
A high output impedance mode allows the LM48824's outputs to be driven by an external source without degrading the signal. Other features include flexible power supply requirements, differential inputs for improved noise rejection, a low power (2.5μA) shutdown mode, and a 32-step I2C volume control with mute function.
Documents
Technical documentation and resources