MLX90316 MELEXIS | Alldatasheet

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Technical content

39xx9031601 Page 1 of 6 Apr. 06 Rev 001

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Ordering Information

Part No. Description EVB_MLX90316DC Evaluation Board MLX90316xDC – SOIC-8 Package EVB_MLX90316GO Evaluation Board MLX90316xGO – TSSOP-16 Package DMB_MLX90316 Demonstration Board MLX90316 1. Evaluation Board (EVB_MLX90316DC) 1.1. Description The EVB_MLX90316DC consists into a Printed Circuit Board (PCB) and Magnetic Knob.

  • The PCB implements the recommended applicatio n diagram from the MLX90316 datasheet. The MLX90316DC (SOIC-8) is mounted on the board. It also includes an aluminum ring in order to center the magnetic knob (see below) above the sensitive area of MLX90316. By default, the output transfer characteristic is programmed to get a 10%Vdd ... 90%Vdd analog output swing for 0 … 360 Degrees travel (complete revolution).
  • The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 1.2. Application Diagram The Pin SCLK and /SS are left floating in order to en able the use of the EVB in Serial Protocol mode. If this mode is not activated, we recommend shorting those pins to GND through 0 Ohm resistor. It is mandatory to run EMI test. If the Serial Protocol mode is activated, the PCB allows the introduction of decoupling capacitor.

39xx9031601 Page 2 of 6 Apr. 06 Rev 001 100nF MLX90316 Vdd SCLK Test 2 Vss Test 1 Vdig /SS Out 100nF 100nF VDD GND OUT MISO/MOSI SCLK /SS 1.3. PCB Drawing Top – Copper Layer Top – Text Layer Bottom – Copper Layer Bottom – Text Layer

39xx9031601 Page 3 of 6 Apr. 06 Rev 001 1.4. Magnetic Knob The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 1.5. Pictures Top Bottom Top & Magnetic Knob Bottom & Magnetic Knob 2. Evaluation Board (EVB_MLX90316GO) 2.1. Description The EVB_MLX90316GO consists into a Printed Circuit Board (PCB) and Magnetic Knob.

  • The PCB implements the recommended applicatio n diagram from the MLX90316 datasheet. The MLX90316GO (Full Redundant Version – TSSOP-16) is mounted on the board. It also includes an aluminum ring in order to center the magnetic knob (see below) above the sensitive area of MLX90316. By default, the output transfer ch aracteristics are programmed to get a 10%Vdd ... 90%Vdd analog output swing for 0 … 360 Degrees travel (complete revolution). The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 2.2. Application Diagram The EVB_MLX90316GO does not feature the Serial Protocol Option. It however enables the evaluation of the full redundant version of the MLX90316 as there are not any common pins for both dies.

39xx9031601 Page 4 of 6 Apr. 06 Rev 001 GND1 GND2 Vdd1 Vss1 Out2 Vdig1 Out1 Vss2 MLX90316 Vdd2 Vdig2 100nF 100nF C3 100nF 100nF 100nF 100nF VDD1 GND1 OUT1 VDD2 GND2 OUT2 2.3. PCB Drawing Top – Copper Layer Top – Text Layer Bottom – Copper Layer Bottom – Text Layer

39xx9031601 Page 5 of 6 Apr. 06 Rev 001 2.4. Magnetic Knob The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 2.5. Pictures Top Bottom Top & Magnetic Knob Bottom & Magnetic Knob 3. Demonstration Board (DMB_MLX90316) 3.1. Description The DMB_MLX90316 consists into a Printed Circuit Board (PCB), Magnetic Knob and a digital voltmeter (DVM). The PCB implements the same application diagram as the EVB_MLX90316DC. The PCB also features an aluminum ring in order to center the magnet ic knob (see below) above the sensitive area of MLX90316.The part is programmed to get a 1 V … 4. 6 V output swing for 0 … 360 Degrees travel (i.e. 10 mV/Degree). This 3.6 V span is then further me asured by the DVM (see below) after a resistive divider 1 ÷ 10 (final sensitivity = 1 mV/Degree). The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm).

  • The digital voltmeter: measures 10% (resistive divider 1 ÷ 10) of the output voltage and displays the value. The reading is in mV or in Degree given the sensitivity of 1 mV/Degree.

39xx9031601 Page 6 of 6 Apr. 06 Rev 001 The board is either supplied from a 9 V battery or an external supply (+ 9 … + 12 V). 3.2. Pictures