Datasheet Texas Instruments LM1894
| Manufacturer | Texas Instruments |
| Series | LM1894 |

Dynamic Noise Reduction System DNR
Datasheets
LM1894 Dynamic Noise Reduction System DNR datasheet
PDF, 982 Kb, Revision: C, File published: Apr 3, 2013
Extract from the document
Status
| LM1894MX/NOPB | |
|---|---|
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| LM1894MX/NOPB | |
|---|---|
| N | 1 |
| Pin | 14 |
| Package Type | D |
| Industry STD Term | SOIC |
| JEDEC Code | R-PDSO-G |
| Package QTY | 2500 |
| Carrier | LARGE T&R |
| Device Marking | LM1894M |
| Width (mm) | 3.91 |
| Length (mm) | 8.65 |
| Thickness (mm) | 1.58 |
| Pitch (mm) | 1.27 |
| Max Height (mm) | 1.75 |
| Mechanical Data | Download |
Eco Plan
| LM1894MX/NOPB | |
|---|---|
| RoHS | Compliant |
Application Notes
- AN-390 DNR Applications of the LM1894 (Rev. C)PDF, 528 Kb, Revision: C, File published: May 1, 2013
This application report deals chiefly with the practical aspects of using the LM1894, but the informationgiven can also be applied to the LM832. - AN-386 A Non-Complementary Audio Noise Reduction System (Rev. C)PDF, 653 Kb, Revision: C, File published: May 1, 2013
The popularity of companding or complementary noise reduction systems is self-evident. Nearly allmedium to high quality cassette tape decks include either Dolby®B or Dolby C type noise reduction. Ascant few have different systems such as dbx or Hi-Com. The universal appeal of compandors to n.r.system designers is the amount of noise reduction they can offer, yet one of the major reasons t - AN-384 Audio Noise Reduction and Masking (Rev. C)PDF, 216 Kb, Revision: C, File published: May 1, 2013
This application report discusses audio noise reduction and masking.
Model Line
Series: LM1894 (1)
Manufacturer's Classification
- Semiconductors> Audio> Noise Reduction