GUI for evaluation module (EVM)
LM48560
Mono, analog input, ceramic speaker driver with I2C control and integrated 30-V Class-H boost
Data sheet
LM48560
- Class H Topology
- Integrated Boost Converter
- Bridge-Tied Load (BTL) Output
- Selectable Differential Inputs
- Selectable Control Interfaces
- (Hardware or Software mode)
- I2C Programmable ALC
- Low Supply Current
- Minimum External Components
- Micro-Power Shutdown
- Available in Space-Saving DSBGA Package
- Key Specifications:
- Output Voltage at VDD = 3.6 V,
RL = 1.5 µF + 10 Ω, THD+N ≤ 1%- 30 VP-P (Typical)
- Quiescent Power Supply Current
at 3.6 V (ALC Enabled)- 4 mA (Typical)
- Power Dissipation at 25 VP–P, 1 W (Typical)
- Shutdown Current, 0.1 µA (Typical)
- Output Voltage at VDD = 3.6 V,
The LM48560 device is a high voltage, high efficiency, Class H driver for ceramic speakers and piezo actuators. The LM48560 device’s Class H architecture offers significant power savings compared to traditional Class AB amplifiers. The device provides 30 VP–P output drive while consuming just 4 mA of quiescent current from a 3.6 V supply.
The LM48560 device features TI’s unique automatic level control (ALC) that provides output limiter functionality. The LM48560 device features two fully differential inputs with separate gain settings, and a selectable control interface. In software control mode, the gain control and device modes are configured through the I2C interface. In hardware control mode, the gain and input mux are configured through a pair of logic inputs.
The LM48560 device has a low power shutdown mode that reduces quiescent current consumption to 0.1 µA. The LM48560 device is available in an ultra-small 16-bump DSBGA package (1.97 mm × 1.97 mm).
Technical documentation
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View all 2 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | LM48560 Boomer™ Audio Power Amplifier Series High Voltage Class H Ceramic Speaker Driver With Automatic Level Control datasheet (Rev. F) | PDF | HTML | 03 Dec 2015 |
| EVM User's guide | LM48560 Evaluation Board User's Guide | 28 Dec 2015 |
Design & development
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Evaluation board
LM48560TLEVAL — High Voltage Class H Ceramic Speaker Driver with Automatic Level Control
The LM48560TLEVAL provides an evaluation platform for the LM48560. The LM48560 is a high voltage, high efficiency, Class H driverfor ceramic speakers and piezo actuators. The LM48560's Class H architecture offers significant power savings compared to traditional Class AB amplifiers. The device (...)
User guide: PDF
Simulation tool
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| DSBGA (YZR) | 16 | Ultra Librarian |
Ordering & quality
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