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DRV411AIRGPT, IC SENSOR SIGNAL COND 20-QFN
Integrated Circuits (ICs)\InterfaceDRV411 Sensor Signal Conditioning IC
Texas Instruments DRV411 Sensor Signal Conditioning IC is designed to condition InSb Hall elements for use in closed-loop current-sensor modules. The DRV411 provides precision excitation circuitry for the Hall-element effectively eliminating the offset and offset-drift of the Hall element. This device also provides a 250mA H-bridge for driving the sensor compensation coil as well a precision differential amplifier to generate the output signal. The 250mA drive capability of the H-bridge roughly doubles the current measurement range compared to conventional single-ended drive methods. The Hall sensor front-end circuit and the differential amplifier employ proprietary offset cancelling techniques. These techniques, along with a high-accuracy voltage reference, significantly improve the accuracy of the overall current-sensor module. The output voltage is pin-selectable to support a 2.5V output for use with a 5V power supply, as well as 1.65V for 3.3V sensors. For optimum heat dissipation, the DRV411 is available in thermally enhanced 4mm x 4mm QFN and TSSOP-20 with PowerPAD packages.
| Brand | Texas Instruments |
| Development Kit | DRV411EVM |
| Factory Pack Quantity: Factory Pack Quantity | 250 |
| Features | AFE for Magnetic Current Sensing |
| Input Type | Magnetic Sensor |
| Manufacturer | Texas Instruments |
| Maximum Operating Temperature | +125 C |
| Minimum Operating Temperature | -40 C |
| Moisture Sensitive | Yes |
| Mounting Style | SMD/SMT |
| Number of Channels | 1 Channel |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| Output Voltage | 2.5 V |
| Package / Case | QFN-20 |
| Product Category | Sensor Interface |
| Product Type | Sensor Interface |
| Reference Type | External, Internal |
| Series | DRV411 |
| Subcategory | Interface ICs |
| Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 2.7 V |
| Type | Magnetic Sensor Signal Conditioner |
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