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| ABL Sensors ABL Sensors Features: Single/Double Bridge Gear Tooth And Encoder Sensors Large Airgap Direct Analog Output DC (Zero Speed) Operation Sine / Cosine Outputs Precise Spacing and Phase Shifting Between Sensor Elements Excellent Temperature and Voltage Performance Small, Low Profile Surface Mount Packages Applications: Linear and Angular Speed Sensing Linear and Angular Position Sensing Direction Detection Description: The ABL Series GT Sensors are differential sensor elements that provide an analog sinusoidal output signal when used with a bias magnet and gear tooth or a magnetic encoder. These chips use NVE's proprietary GMR sensor elements, featuring an extremely large output signal from the raw sensor element, which is stable over the rated temperature and voltage range. As a result, ABL Series GT Sensors feature excellent airgap performance and an extremely stable operating envelope, as well as the robust reliability characteristics that NVE sensors are known for. Three different standard spacings are available, for use with fine and coarse pitch encoders and gear teeth. Both single bridge and double bridge configurations are also available; double bridges are used to generate sine/cosine outputs. In addition to the standard spacings, NVE can provide custom spacings and multiple sensor elements tailored to the individual customer's application for a nominal design and tooling charge. Contact NVE for further details. For digital output applications, these sensors can be used with NVE's DD001-12 signal processing IC, which converts their output into a 50% duty cycle modulated current signal. This IC allows placement of the ABL sensor in a very small housing, with wires running from the sensor to the signal processing IC in a remote location. In this fashion ABL series sensors can be used in M8 and smaller housings. RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com ABL Sensors Specifications: Property Single Bridge Resistance Input Voltage Operating Temperature Range Offset Voltage Linear Range Linearity of Output Hysteresis Saturation of GMR Sensor Elements Single Resistor Sensitivity Max Output Temperature Coefficient of Resistance ESD Min 4K 1 <1 -50 -4 +/-5 98 -180 .04 80 +0.3 400 Typ 5K Max 7K 1 30 +170 +4 +/-100 2 +180 Unit Ohms Volts C mV/V Oe 2 % 2 % 3 Oe 4 %R/Oe mV/V %/C 5 V Notes: 1. ABL Series sensors have a purely ratiometric output. They will operate with input voltages of 0.1V or lower. The output signal will scale proportionally with the input voltage. Maximum voltage will be limited by the power dissipation allowable in the package and user installation. See the package section for more details. 2. 3. Linearity and Hysteresis measured across linear operating range, unipolar operation. Application of a magnetic field in excess of this value will saturate the GMR sensor elements, and no further output will be obtained. No damage occurs to the sensor elements when saturated; NVE GMR sensors will not be damaged by any large magnetic field. Percent change in resistance with application of 1 Oersted of magnetic field; corresponds to an 8% change in resistance with 200 Oersteds of applied magnetic field (1 Oersted = 1 Gauss in air, or 0.1 milli- Tesla). Pin to pin voltage, Human Body Model for ESD 4. 5. RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com ABL Sensors IC Drawings: ABL004 Sensor Element Size and Spacing Die Outline R1, R2 R3, R4 Center of Die and Package - All dimensions in mm - All resistors are 5K Ohms - Sensor elements are located symmetrically about the center of the IC. ABL005 Sensor Element Size and Spacing Die Outline R1, R2 R3, R4 Center of Die and Package - All dimensions in mm - All resistors are 5K Ohms - Sensor elements are located symmetrically about the center of the IC. Note: ABL006 Sensor Element Size and Spacing Not Shown RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com ABL Sensors ABL014 Sensor Element Size and Spacing Die Outline R1, R2 R5, R6 R3, R4 R7, R8 Center of Die and Package - All dimensions in mm - All resistors are 5K Ohms - Sensor elements are located symmetrically about the center of the IC. ABL015 Sensor Element Size and Spacing Die Outline R1, R2 R5, R6 R3, R4 R7, R8 - All dimensions in mm Center of Die and Package - All resistors are 5K Ohms - Sensor elements are located symmetrically about the center of the IC. Note: ABL016 Sensor Element Size and Spacing Not Shown RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com ABL Sensors Schematics: VCC ABL004, ABL005, ABL006 Schematic R4 R1 OUT- OUT+ R2 R3 GND VCC1 VCC2 ABL014, ABL015, ABL016 Schematic (Dual Bridge) R4 R1 R8 R5 OUT-1 OUT+1 OUT-2 OUT+2 R2 R3 R6 R7 GND1 GND2 Part Numbers and Configurations: Part Number Single or Dual Bridge Single Single Single Dual Dual Dual Single Single Single Dual Dual Dual Element Spacing (Microns) 1000 500 300 1000 500 300 1000 500 300 1000 500 300 Phase Shift Between Bridges (Microns) NA NA NA 500 250 150 NA NA NA 500 250 150 Package Marking FDB FDC FDL FDD FDF FDM FDG FDH FDN FDJ FDK FDP ABL004-00 ABL005-00 ABL006-00 ABL014-00 ABL015-00 ABL016-00 ABL004-10 ABL005-10 ABL006-10 ABL014-10 ABL015-10 ABL016-10 RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com ABL Sensors Packages: The ABL series parts are available in MSOP8 and TDFN6 packages. Please see the package drawing section in the Appendix for dimensions. Please note that for dual differential sensors in the TDFN package, the power and ground connections for both bridges are common. Pin Configuration: MSOP8 Package Direction of Sensitivity Out+ No Connect No Connect Ground VCC No Connect No Connect Out- Ground1 Out-1 Out+1 VCC1 VCC2 Out+2 Out-2 Ground2 ABL004-00, ABL005-00, ABL006-00 ABL014-00, ABL015-00, ABL016-00 TDFN6 Package Direction of Sensitivity VCC1 VCC2 Out+ No Connect Gnd VCC Ground1, Ground2 ABL004-10, ABL005-10, ABL006-10 No Connect Out- Out-1 Out+1 ABL014-10, ABL015-10 ABL016-10 Out+2 Out-2 RHOPOINT COMPONENTS Tel: +44 (0) 870 608 1188 Fax: +44 (0) 870 241 2255 Web: www.rhopointcomponents.com Email: sales@rhopointcomponents.com |
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