Description
LM48557TL/NOPB Texas Instruments - Yeehing Electronics
Mono, analog input, ceramic speaker driver with I2C volume control & integrated 5.8-V charge pump
Pricing (USD)
| Quantity | Unit Price |
| 1 — 99 | 2.452 |
| 100 — 249 | 2.149 |
| 250 — 999 | 1.507 |
| 1,000 + | 0.85 |
The above prices are for reference only.
Specifications
| Manufacturer | Texas Instruments |
| Product Category | Audio Amplifiers |
| RoHS | Y |
| Series | LM48557 |
| Product | Audio Amplifiers |
| Class | Class-AB |
| Mounting Style | SMD/SMT |
| Type | Mono |
| Package / Case | uSMD |
| Audio - Load Impedance | 22 Ohms |
| THD plus Noise | 0.05 % |
| Supply Voltage - Max | 4.5 V |
| Supply Voltage - Min | 1.7 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Packaging | Reel |
| Description/Function | Speaker |
| Height | 0.41 mm |
| Input Type | Differential |
| Length | 1.97 mm |
| Output Type | 1-Channel Mono |
| Supply Type | Dual |
| Width | 1.97 mm |
| Brand | Texas Instruments |
| Number of Channels | 1 Channel |
| CMRR - Common Mode Rejection Ratio | 36 dB |
| Dual Supply Voltage | 3 V |
| Maximum Dual Supply Voltage | 4.5 V |
| Minimum Dual Supply Voltage | 1.7 V, 2.7 V |
| Operating Supply Current | 5 mA |
| Operating Supply Voltage | 1.7 V to 4.5 V |
| Output Signal Type | Differential |
| Product Type | Audio Amplifiers |
| PSRR - Power Supply Rejection Ratio | 80 dB |
| Factory Pack Quantity | 250 |
| Subcategory | Audio ICs |
| Unit Weight | 0.000173 oz |
For more information, please refer to datasheet
Documents
| LM48557TL/NOPB Datasheet |
More Information
The LM48557 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones and portable media players, where board space is at a premium. The LM48557 charge pump allows the device to deliver 5.8VRMS from a single 4.2V supply.
