Texas Instruments LM4891M/NOPB Amplifiers - Audio
IC AMP CLASS AB MONO 1W 8SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM4891M/NOPB
Detailed Description
IC AMP CLASS AB MONO 1W 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM4891M/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM4891M/NOPB Amplifiers - Audio technical specifications.
General
Series
Boomer®
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.2V ~ 5.5V
Lifecycle Status
Obsolete
Features
Depop, Shutdown, Thermal Protection
Type
Class AB
Output Type
1-Channel (Mono)
Alternate Parts Comparison (LM4891M/NOPB vs LM4889MA/NOPB vs LM4991MAX/NOPB vs LM4871MX)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.2V ~ 5.5V | 2.2V ~ 5.5V | 2.2V ~ 5.5V | 2V ~ 5.5V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Features | Depop, Shutdown, Thermal Protection | Depop, Shutdown, Thermal Protection | Depop, Shutdown, Thermal Protection | Shutdown, Thermal Protection |
| Max Output Power X Channels Load | 1W x 1 @ 8Ohm | 1W x 1 @ 8Ohm | 1.5W x 1 @ 8Ohm | 3W x 1 @ 3Ohm |
| Output Type | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) | 1-Channel (Mono) |
| Package | 8-SOIC | SOIC (D)-8 | SOIC (D)-8 | SOIC (D)-8 |
| Type | Class AB | Class AB | Class AB | Class AB |
| Analog Supply Min V | -- | 2.2 | 2.2 | 2 |
| Action |
More Parts in Audio Amplifiers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.