Texas Instruments LM4991LD/NOPB Amplifiers - Audio
IC AMP CLASS AB MONO 3W 8WSON
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM4991LD/NOPB
Detailed Description
IC AMP CLASS AB MONO 3W 8WSON
Package
8-WDFN Exposed Pad
Key Features
Package / Case: 8-WDFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM4991LD/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM4991LD/NOPB Amplifiers - Audio technical specifications.
General
Series
LM4991
RoHS
Yes
Number of Channels
1 Channel
Package / Case
8-WDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.2V ~ 5.5V
Lifecycle Status
Active
Features
Depop, Shutdown, Thermal Protection
Type
Class AB
Alternate Parts Comparison (LM4991LD/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Series | LM4991 | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 2000 |
| Package / Case | 8-WDFN Exposed Pad | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 2.2V ~ 5.5V | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Package | WSON (NGN)-8 | LQFP | LQFP | LQFP |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
Similaronsemi
Pin YesPkg NoElec Downgrade
Amplifier IC 1-Channel (Mono) Class AB 8-DFN (3x3)
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.