Datasheet Texas Instruments OPA643
| Manufacturer | Texas Instruments |
| Series | OPA643 |
Wideband Low Distortion, High Gain Operational Amplifier
Datasheets
Wideband Low Distortion, High Gain Operational Amplifier
PDF, 171 Kb, File published: Sep 27, 2000
Prices
Status
| OPA643N/250 | OPA643N/3K | OPA643NB/250 | OPA643NB/3K | OPA643U | OPA643UB | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) | Lifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect) |
| Manufacture's Sample Availability | No | No | No | No | No | No |
Packaging
| OPA643N/250 | OPA643N/3K | OPA643NB/250 | OPA643NB/3K | OPA643U | OPA643UB | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 5 | 5 | 5 | 5 | 8 | 8 |
| Package Type | DBV | DBV | DBV | DBV | D | D |
| Industry STD Term | SOT | SOT-23 | SOT | SOT-23 | SOIC | SOIC |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Width (mm) | 1.6 | 1.6 | 1.6 | 1.6 | 3.91 | 3.91 |
| Length (mm) | 2.9 | 2.9 | 2.9 | 2.9 | 4.9 | 4.9 |
| Thickness (mm) | 1.2 | 1.2 | 1.2 | 1.2 | 1.58 | 1.58 |
| Pitch (mm) | .95 | .95 | .95 | .95 | 1.27 | 1.27 |
| Max Height (mm) | 1.45 | 1.45 | 1.45 | 1.45 | 1.75 | 1.75 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Eco Plan
| OPA643N/250 | OPA643N/3K | OPA643NB/250 | OPA643NB/3K | OPA643U | OPA643UB | |
|---|---|---|---|---|---|---|
| RoHS | Not Compliant | Not Compliant | Not Compliant | Not Compliant | Not Compliant | Not Compliant |
| Pb Free | No | No | No | No | No | No |
Application Notes
- Noise Analysis for High Speed Op Amps (Rev. A)PDF, 256 Kb, Revision: A, File published: Jan 17, 2005
As system bandwidths have increased an accurate estimate of the noise contribution for each element in the signal channel has become increasingly important. Many designers are not however particularly comfortable with the calculations required to predict the total noise for an op amp or in the conversions between the different descriptions of noise. Considerable inconsistency between manufactu
Model Line
Series: OPA643 (6)
Manufacturer's Classification
- Semiconductors> Amplifiers> Operational Amplifiers (Op Amps)> High-Speed Op Amps (>=50MHz)
