Datasheet Texas Instruments DRV421
| Manufacturer | Texas Instruments |
| Series | DRV421 |
Integrated Fluxgate Magnetic Sensor IC for Closed-Loop Applications
Datasheets
DRV421 Integrated Magnetic Fluxgate Sensor for Closed-Loop Current Sensing datasheet
PDF, 1.3 Mb, Revision: B, File published: Mar 14, 2016
Extract from the document
Status
| DRV421RTJR | DRV421RTJT | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes |
Packaging
| DRV421RTJR | DRV421RTJT | |
|---|---|---|
| N | 1 | 2 |
| Pin | 20 | 20 |
| Package Type | RTJ | RTJ |
| Industry STD Term | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 3000 | 250 |
| Carrier | LARGE T&R | SMALL T&R |
| Device Marking | DRV421 | DRV421 |
| Width (mm) | 4 | 4 |
| Length (mm) | 4 | 4 |
| Thickness (mm) | .73 | .73 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | .8 | .8 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | DRV421RTJR | DRV421RTJT |
|---|---|---|
| Architecture | Closed Loop | Closed Loop |
| Current Sensor Type | Fluxgate Integrated | Fluxgate Integrated |
| Gain Drift(Typ), ppm/C | 1 | 1 |
| Gain Error (+/-)(Max), % | 0.3 | 0.3 |
| Offset Drift(Max), uV/C | 2 | 2 |
| Offset Voltage (+/-), uV | 75 | 75 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | QFN | QFN |
| Package Size: mm2:W x L, PKG | 20QFN: 16 mm2: 4 x 4(QFN) | 20QFN: 16 mm2: 4 x 4(QFN) |
| Rating | Catalog | Catalog |
| Reference Accuracy (+/-)(Max), % | 2 | 2 |
| Reference Drift(Max)(, В± | 100 | 100 |
| Reference Voltage, V | 1.65 / 2.5 / Ratiometric | 1.65 / 2.5 / Ratiometric |
| System Bandwidth, KHz | 2000 | 2000 |
| Vs(Max), V | 5.5 | 5.5 |
| Vs(Min), V | 3 | 3 |
Eco Plan
| DRV421RTJR | DRV421RTJT | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Designing with the DRV421: Closed Loop Current Sensor SpecificationsPDF, 112 Kb, File published: Jul 22, 2015
- Designing with the DRV421: System Parameter CalculatorPDF, 373 Kb, File published: Aug 14, 2015
Designing with the DRV421: Loop Gain Calculator DRV421 - Designing with the DRV421: Control Loop StabilityPDF, 532 Kb, File published: Aug 5, 2015
Model Line
Series: DRV421 (2)
Manufacturer's Classification
- Semiconductors> Sensing Products> Magnetic Sensors> Fluxgate Sensors