19-2505; Rev 1; 9/02
MAX1617A Temperature Sensor
Evaluation Kit
General Description
The MAX1617A evaluation kit (EV kit) is a demonstration
platform for the MAX1617A temperature-sensor IC. It
monitors both the junction temperature of the IC and the
temperature of a remote (external) diode-connected
transistor, and converts these temperatures to 8-bit,
2-wire serial data. A 2N3904 remote temperature-sensor
transistor comes soldered to the board in a SOT23
package, but for more realistic experiments, it can easily
be removed and connected through a twisted pair to the
DXP and DXN terminals.
The EV kit is designed to be connected to a standard
IBM-compatible PC parallel printer port. Signals from the
parallel port are converted to open-drain SMBus鈩?clock
and data by a 74HC05 logic chip on the board. An on-
board MAX1615 linear regulator steps down the unregu-
lated DC input to 5V to power the glue logic, the
MAX1617A, and the SMBus pullup resistors.
The software runs under Windows鈩?95, 98, or 2000.
This user-friendly program is menu-driven and offers a
graphic user interface with control buttons and numeric
data displays.
Note:
Windows 2000 requires the installa-
tion of a driver; refer to Win2000.pdf or Win2000.txt
located on the diskette.
____________________________Features
o
Measures and Displays Sensor Temperature
o
Simultaneously Monitors Package and a
Remote Sensor
o
Programs Alarms, Configuration, and Rate
o
Operating Temperature Ranges
-55擄C to +125擄C (remote sensor)
0擄C to +70擄C (board)
o
Easy to Use
o
Includes: Windows 95/98/2000 Software, Demo
PC Board, 3.5 in. Floppy Disk
Evaluates: MAX1617 A
Ordering Information
PART
MAX1617AEVKIT
TEMP RANGE
0擄C to +70擄C
IC PACKAGE
16 QSOP
Component List
DESIGNATION
C1, C11, C13
C2
C12
J1
JU1, JU2
Q1
R1
R1
R2
R11, R12
R13, R14, R15
SW1
U1
U11
U12
QTY
3
1
1
1
2
1
1
1
1
2
3
1
1
1
1
DESCRIPTION
0.1碌F, X7R ceramic capacitors
2200pF, X7R ceramic capacitor
4.7碌F, 10V tantalum capacitor
DB25 male right-angle connector
3-pin headers
NPN transistor
On Semiconductor MMBT3904
6-pin SIP socket strip
10k鈩? 6-pin SIP resistor pack
200鈩? 5% resistor
4.7k鈩? 5% resistors
47k鈩? 5% resistors
Slide switch, 0,150" pitch
MAX1617AMEE
MAX1615EUK
SOT top mark = ABZD
74HCT05 open-drain hex inverter
Quick Start
鈥?/div>
A computer running Windows 95, 98, or 2000
(Note: Windows 2000 requires the installation of a
driver; refer to Win2000.pdf or Win2000.txt located
on the diskette.)
鈥?/div>
Parallel printer cable, straight-through 25-pin male-
to-female type
鈥?/div>
DC power supply, 9V at 50mA
Recommended Equipment
Procedure
The MAX1617A EV kit is fully assembled and tested.
Follow the steps below to verify board operation.
Do not
turn on the power supply until all connections are
completed:
1) Set up the hardware. Connect the parallel cable to
the computer port and to the EV kit board (or else
simply plug the board directly into the port without
the cable). The parallel port is typically labeled LPT
or PRINTER. Adjust the power supply to 9V
DC
and
connect it to the POS9 and ground terminals on the
EV kit.
Do not apply voltages higher than 28V.
Windows is a trademark of Microsoft Corp. SMBus is a trademark of Intel Corp.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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