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Evaluate: MAX1400/MAX1402
19-1440; Rev 2; 5/07
MAX1402 Evaluation Kit/Evaluation System
General Description Features
The MAX1402 evaluation system (EV system) is a com- ♦ Easy to Configure
plete, multichannel data-acquisition system consisting of
♦ Collects Up to 8192 Samples at Full Speed
a MAX1402 evaluation kit (EV kit), Maxim 68HC16 micro-
♦ Complete Evaluation System
controller (µC) module, and USBT0232. The MAX1402 is
a low-power, multichannel, serial-output analog to digital
♦ Proven PCB
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MAX1402 Evaluation Kit/Evaluation System Component Suppliers SUPPLIER PHONE FAX WEBSITE Murata Mfg. Co., Ltd. 770-436-1300 770-436-3030 www.murata.com TDK Corp. 847-803-6100 847-390-4405 www.component.tdk.com Note: Indicate that you are using the MAX1402 when contacting these component suppliers. MAX1402 EV Kit Files Quick Start Recommended Equipment (USB Port/PC Windows Application Program Files Connection Option) Before beginning, the following equipment is needed: FILE DESCRIPTION • MAX1402 E
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Evaluate: MAX1400/MAX1402 MAX1402 Evaluation Kit/Evaluation System switch, along the top-edge of the µC module. underlined refers to items from the Windows Observe the polarity marked on the board. 98/2000/XP operating system. 5) Connect the USBTO232 board to the 68HC16MODULE- Connections and Setup DIP module if you have not done so already. 1) Visit the Maxim website (www.maxim-ic.com/evkit- 6) The MAX1402 EV kit software should have already software) to download the latest version of the EV b
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MAX1402 Evaluation Kit/Evaluation System 10)Apply input signals to the inputs labeled The MAX1400/MAX1402 automatically triggers its mea- AIN1–AIN5, at the bottom-edge of the MAX1402 EV surements, unless the FSYNC control bit is set. The kit board. AIN6 is analog common. Observe the evaluation kit software communicates with the readout on the screen. MAX1400/MAX1402 at intervals determined by the Update Every combo box. To halt this automatic update, Upgrading the 68HC16 Module uncheck the Updat
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Evaluate: MAX1400/MAX1402 MAX1402 Evaluation Kit/Evaluation System Calibration Tool or unchecking its box. (The START bit and the zero bits The MAX1402 EV kit software can average the mea- in the special function register (SFR) cannot be modi- surements from the calibration channels and use the fied). The Read All Registers button causes the soft- ware to read all of the MAX1400/MAX1402’s registers. measured values to correct the voltage displays. The (Not functional when the MDOUT or FULLPD bi
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MAX1402 Evaluation Kit/Evaluation System For simplicity, the EV kit software assumes that all three MAX1402, except that the function of pins 5, 6, 7, and 8 transfer functions are configured alike. is changed. Instead of the OUT1/OUT2 outputs and DS0/DS1 inputs, these pins are used to provide access Detailed Description to the analog signal between the multiplexer and the A/D converter. Tables 2 and 3 list the jumper functions ________________________of Hardware and default settings. Refer to t
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Evaluate: MAX1400/MAX1402 MAX1402 Evaluation Kit/Evaluation System Table 2. Jumper Functions JUMPER STATE FUNCTION JU1 Closed* Use CalGain inputs for gain calibration (CALGAIN+ = REFIN+) JU1 Open Use CalGain inputs as general purpose signal inputs JU2 Closed* Use CalGain inputs for gain calibration (CALGAIN- = REFIN-) JU2 Open Use CalGain inputs as general purpose signal inputs JU3 Closed* Use CalOff inputs for offset calibration (CALOFF+ = GND) JU3 Open Use CalOff inputs as general purpose si
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MAX1402 Evaluation Kit/Evaluation System Table 4. Guide to Register Bit Functions REGISTER BIT NAME DESCRIPTION COMMS 0/DRDY Start bit is zero; DIN pin must be 1 when idle RS2–RS0 Register select for subsequent operation R/W Selects subsequent read or write operation RESET Causes software reset when set to 1 STDBY Activates standby power-down mode when set to 1 FSYNC Inhibits the A/D converter when set to 1 GS1 A1 Selects the active channel A0 Selects the active channel MF1 Selects the data ou
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Evaluate: MAX1400/MAX1402 MAX1402 Evaluation Kit/Evaluation System Figure 1. MAX1402 EV Kit Schematic _______________________________________________________________________________________ 9 J2 SMA Y1 2.4576MHz 1 3 SCLK 1 28 2 J1-37 MCLKIN SCLK R8 27 MOSI J1-7 10Ω J1-1 J1-36 DIN 2 MCLKOUT DVDD 26 MISO J1-2 J1-35 DOUT C11 J1-8 OUT1 3 J1-34 25 INT 0.1μF CS J1-3 J1-29 DRDY OUT2 4 J1-4 J1-33 RESET 24 AVDD DV JU6 DD R7 C10 5 10Ω 0.1μF DS1/MUXOUTP DS1 23 DVDD JU7 DGND R10 6 DS0/MUXOUTN DS0 SHORT 22
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MAX1402 Evaluation Kit/Evaluation System Figure 2. MAX1402 EV Kit Component Placement Guide—Component Side 10 ______________________________________________________________________________________ Evaluate: MAX1400/MAX1402
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Evaluate: MAX1400/MAX1402 MAX1402 Evaluation Kit/Evaluation System Figure 3. MAX1402 EV Kit PCB Layout—Component Side ______________________________________________________________________________________ 11
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MAX1402 Evaluation Kit/Evaluation System Figure 4. MAX1402 EV Kit PCB Layout—Solder Side Revision History Pages changed at Rev 2: Title change—all pages, 1, 2, 3, 4, 10, 11 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive
