National Semiconductor LMV1031UR-20
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.59 | Dhs. 2.59 |
| 15+ | Dhs. 2.51 | Dhs. 37.65 |
| 25+ | Dhs. 2.46 | Dhs. 61.50 |
| 50+ | Dhs. 2.32 | Dhs. 116.00 |
| 100+ | Dhs. 2.05 | Dhs. 205.00 |
| N+ | Dhs. 0.41 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | LMV® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | - |
| Voltage - Supply | 2V ~ 5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 4-DSBGA |
| Package / Case | 4-XFBGA, DSBGA |
| ROHS |
The LMV1031UR-20 is a low-voltage, Class AB audio amplifier in an ultra-compact 4-DSBGA package. Operating from 2V to 5V, it is designed for signal conditioning and low-power audio amplification in space-constrained portable devices. Its small size and wide temperature range make it suitable for wearables, hearing aids, and IoT applications.
- Ultra-Compact Package: 4-DSBGA footprint is ideal for miniaturized designs.
- Wide Voltage Range: 2V to 5V ensures compatibility with various battery types.
- Low Power Consumption: Extends battery life in portable and wearable devices.
- Wide Temperature Range: -40°C to 85°C for reliable operation in diverse environments.
Portable Microphone Preamp
The LMV1031UR-20's low voltage operation (2V to 5V) and tiny 4-DSBGA package make it ideal for amplifying microphone signals in compact recording devices.
Hearing Aid Amplifier
Its small footprint and low power consumption suit hearing aid designs, providing clean audio amplification from a small battery.
Wearable Audio Sensor
In wearable devices, this amplifier can condition audio signals from MEMS microphones for voice control or monitoring.
Portable Radio Audio Stage
The LMV1031UR-20 can serve as a preamplifier stage in AM/FM portable radios, boosting weak audio signals before further processing.
IoT Audio Alert System
For IoT devices requiring audio alerts, this amplifier drives small speakers or buzzers with minimal board space.
DIY Audio Signal Booster
Hobbyists can use this chip for simple audio signal boosting in custom projects, thanks to its minimal external component requirements.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LMV1031UR-20 | 4-DSBGA | 2V ~ 5V | N/A |
| LM4925MM/NOPB | 10-VSSOP | 1.5V ~ 3.6V | 410mW (Mono 8Ω) / 40mW x 2 (Stereo 16Ω) |
| LM48861TM | 12-DSBGA | 1.2V ~ 2.8V | 24mW x 2 (Stereo 16Ω) |
- Q: What is the supply voltage range for the LMV1031UR-20?
- A: It operates from 2V to 5V, suitable for a variety of battery-powered applications.
- Q: What is the output power of the LMV1031UR-20?
- A: The datasheet does not specify output power; it is likely a low-power amplifier for signal conditioning.
- Q: What package is the LMV1031UR-20 available in?
- A: It comes in a 4-DSBGA (4-XFBGA, DSBGA) ultra-compact surface-mount package.
- Q: What is the typical application for this IC?
- A: It is designed for general-purpose audio amplification in portable devices where space is critical.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial and consumer environments.
- Q: What is the supply voltage range for the LMV1031UR-20?
- A: It operates from 2V to 5V, suitable for a variety of battery-powered applications.
- Q: What is the output power of the LMV1031UR-20?
- A: The datasheet does not specify output power; it is likely a low-power amplifier for signal conditioning.
- Q: What package is the LMV1031UR-20 available in?
- A: It comes in a 4-DSBGA (4-XFBGA, DSBGA) ultra-compact surface-mount package.
- Q: What is the typical application for this IC?
- A: It is designed for general-purpose audio amplification in portable devices where space is critical.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial and consumer environments.

LMV1031UR-20.pdf