| Part Number | LM48557 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | 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 pr. high power supply rejection ratio (PSRR), 80dB at 217Hz, allowing the device to operate in noisy environments without additional power supply conditioning. Flexible power supply requirements allow operation from 2.7V to 4.5V. The LM48557 features an active low reset input that reverts the device to . |
LM48557 Datasheet and Specifications PDF
The LM48557 is a Ceramic Speaker Driver.
| Part Number | LM48557 Datasheet |
|---|---|
| Description | Ceramic Speaker Driver |
| Manufacturer | Texas Instruments |
| Overview |
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 pr.
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*23 Integrated Charge Pump * Bridge-Tied Load Output * Differential Input * High PSRR * I2C Volume and Mode Control * Reset Input * Advanced Click-and-Pop Suppression * Low Supply Current * Minimum External Components * Micro-Power Shutdown * Available in Space-Saving 16-Bump DSBGA Package APPLICA. |