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Maxim MAX1402 Manual

Max1402 evaluation kit/evaluation system multichannel data-acquisition system
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19-1440; Rev 2; 5/07
MAX1402 Evaluation Kit/Evaluation System

General Description

The MAX1402 evaluation system (EV system) is a com-
plete, multichannel data-acquisition system consisting of
a MAX1402 evaluation kit (EV kit), Maxim 68HC16 micro-
controller (µC) module, and USBT0232. The MAX1402 is
a low-power, multichannel, serial-output analog to digital
converter (ADC). Windows
ware provides a handy user interface to exercise the
MAX1402's features. Source code in C++ and 68HC11
assembly language is provided for the low-level portion of
the software.
Order the EV system for comprehensive evaluation of
the MAX1402 using a personal computer. Order only
the EV kit if the 68HC16 µC module has already been
purchased with a previous Maxim EV system, or for
custom use in other µC-based systems.
The MAX1402 EV kit and EV system can also be used
to evaluate the MAX1400. Simply order a free sample of
the MAX1400CAI along with the MAX1402 EV kit.
MAX1402 Stand-Alone EV Kit
The MAX1402 EV kit provides a proven printed-circuit
board (PCB) layout to facilitate evaluation of the
MAX1402 with user-supplied software and hardware. It
must be interfaced to appropriate timing signals for
proper operation. Refer to the MAX1402 IC data sheet
for timing requirements. See Table 2, Jumper Functions.
The MAX1402 EV system operates from a user-supplied
+8V to +12VDC power supply.
PART
QTY
MAX1402EVKIT
68HC16MODULE-DIP
USBTO232+
+Denotes lead-free and RoHS-compliant.
Windows is a registered trademark of Microsoft Corp.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
®
98/2000/XP-compatible soft-
MAX1402 EV System
Component Lists
MAX1402 EV System
DESCRIPTION
1
MAX1402 EV kit
1
68HC16 µC module
USB-to-COM port adapter
1
board
♦ Easy to Configure
♦ Collects Up to 8192 Samples at Full Speed
♦ Complete Evaluation System
♦ Proven PCB Layout
♦ Fully Assembled and Tested
♦ EV Kit Software Supports Windows 98/2000/XP
with RS-232/COM Port
♦ EV Kit Software Supports Windows 2000/XP with
USB Port

Ordering Information

PART
TYPE RANGE
MAX1402EVKIT
0°C to +70°C
MAX1402EVC16
0°C to +70°C
Note: The MAX1402 software can only be used with the com-
plete evaluation system (MAX1402EVC16), which includes the
68HC16MODULE-DIP, USBTO232, and the MAX1402EVKIT.
PART
QTY
100pF ceramic capacitors (1206)
C3–C8
6
TDK C3216C0G2J101K
0.1µF ceramic capacitors (1206)
Murata GRM319R71H104K
C9, C10, C11
3
TDK C3216X7R1H104K
C12, C13
2
Not installed, capacitors
2.2µF, 25V X7R ceramic capacitor
C15
1
TDK C3216X7R1E225K
J1
1
2 x 20 right-angle socket
J2
1
Female SMA connector
JU1–JU8
0
Not installed
R1–R6
6
100Ω ±5% resistors (1206)
R7, R8
2
10Ω ±5% resistors (1206)
R9, R10
2
Not installed, resistors
U1
1
MAX1402CAI (28-pin SSOP)
MAX6025AEUR (SOT23)
U2
1
2.500V voltage reference
(200ppm/°C max)
2.4576MHz ceramic resonator
Y1
1
Murata CSTCC2M45G53-R0
—
1
PCB: MAX1402 Evaluation Kit+
Features
INTERFACE TYPE
User supplied
Windows software
MAX1402 EV Kit
DESCRIPTION
1

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Summary of Contents for Maxim MAX1402

  • Page 1: General Description

    Maxim EV system, or for custom use in other µC-based systems. The MAX1402 EV kit and EV system can also be used to evaluate the MAX1400. Simply order a free sample of the MAX1400CAI along with the MAX1402 EV kit.

  • Page 2: Quick Start

    MAX1402 Evaluation Kit/Evaluation System SUPPLIER Murata Mfg. Co., Ltd. TDK Corp. Note: Indicate that you are using the MAX1402 when contacting these component suppliers. MAX1402 EV Kit Files Windows Application Program Files FILE DESCRIPTION Application program that runs under MAX1402.EXE Windows 98/2000/XP.
  • Page 3 UNMAXIM.EXE computer. This file is automatically copied to C:\WINDOWS during installation. 7) Start the MAX1402 program by opening its icon in the Start | Programs menu. 8) Turn on power supply and slide SW1 to the ON position on the 68HC16MODULE-DIP module.

  • Page 4: Detailed Description

    AIN6 is analog common. Observe the readout on the screen. Upgrading the 68HC16 Module The MAX1402 EV kit requires Rev. 2.0 of the Maxim 68HC16 Module ROM. Check the label on device U3 on the module; if its label says Rev. 1.0, contact the factory for a replacement.
  • Page 5 Setting the MDOUT bit causes the raw modulator output to be driven out the DOUT pin; however, the EV kit soft- ware cannot read data from the MAX1402 in this mode. Setting the FULLPD bit in the SFR register places the part in full power-down mode.
  • Page 6 JU6 and JU7. The MAX1400 is exactly like the _______________________________________________________________________________________ MAX1402, except that the function of pins 5, 6, 7, and 8 is changed. Instead of the OUT1/OUT2 outputs and DS0/DS1 inputs, these pins are used to provide access to the analog signal between the multiplexer and the A/D converter.
  • Page 7 Use on-board reference U2 (REFIN- = GND) REFIN+ and REFIN- must be driven by an external reference Connects pin 5 to pin 7 MAX1402: pin 5 = digital input DS1, pin 7 = current source MAX1400: normal operation Disconnects pin 5 from pin 7...
  • Page 8 Enables the input buffers Selects differential input pairs Enables the transducer burn-out test currents Enables the OUT1 and OUT2 current sources (MAX1402 only) Selects the CLKIN frequency Changes the DOUT and INT pins to provide raw modulator output Activates full power-down mode. Use hardware reset to restore normal operation.
  • Page 9 MAX1402 Evaluation Kit/Evaluation System Figure 1. MAX1402 EV Kit Schematic _______________________________________________________________________________________...
  • Page 10 MAX1402 Evaluation Kit/Evaluation System Figure 2. MAX1402 EV Kit Component Placement Guide—Component Side ______________________________________________________________________________________...
  • Page 11 MAX1402 Evaluation Kit/Evaluation System Figure 3. MAX1402 EV Kit PCB Layout—Component Side ______________________________________________________________________________________...

  • Page 12: Revision History

    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.

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