MAX35104EVKIT2# Analog Devices

Click here for production status of specific part numbers. Evaluates: MAX35104 MAX35104EVKIT2 Evaluation Kit General Description Features The MAX35104EVKIT2 is an Arduino -compatible shield Easy Evaluation of the MAX35104 in an Embedded that features the MAX35104 time-to-digital converter. Environment The board is stackable with other MAX35104EVKIT2s Two Audiowell 200kHz Ultrasonic Transducers to facilitate multi-axis distance and gas flow applications. Included The PCB exposes many signals for easy analysis with an Arm Mbed Development Environment Supported oscilloscope. Hardware configuration experimentation is Through the MAX32625MBED Board facilitated by jumpers. The kit is designed to be used with Arduino-compatible con- Ordering Information appears at end of data sheet. troller boards, such as the MAX32625MBED but can be adapted to use with any host microcontroller architecture. MAX35104EVKIT2 and Transducers Arduino is a registered trademark of Arduino, LLC. Arm is a registered trademark and Mbed is a trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere. 319-100186 Rev 0 5/18XTAL EXTERNAL XTAL EXTERNAL XTAL XTAL VPR BOOST J11 3.3V VIN 5.0V Evaluates: MAX35104 MAX35104EVKIT2 Evaluation Kit Detailed Description The MAX35104EVKIT2 is an ultrasonic time-to-digital convertor Arduino-compatible shield. The EV kit includes two 200kHz air/gas transducers for distance and flow experimentation. The PCB contains a MAX35104 time- to-digital converter, two crystal clock sources, and a high- voltage boost circuit. Configuration Options The PCB supports several jumpers to configure power Figure 1. Audiowell AW9Y0200K02Z-01 200kHz Gas and clocking options. Transducer HV HIGH-FREQUENCY POWER SELECT SELECT CLOCK SOURCE J11 J9 J1 LOW-FREQUENCY CMPOUT SCLK CLOCK SOURCE (COMPARATOR J14 OUTPUT) MISO MOSI CS0 3.3V J15 CSIN CS1 5V CS2 J18 FETG CIP (COMPARATOR HF CLK VIN J17 J8 INPUT) J16 COMP LF CLK INT J10 DOWN UP J13 J7 J2 CHIP SELECT SOURCE TRANSDUCER INTERFACE Figure 2. Configuration Options Maxim Integrated 2 www.maximintegrated.com DOWN- DOWN+ UP- UP+ TEMP TC CS2 CS1 CS0