MAX1450EVKIT

更新时间： 2024-09-13 23:45:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
8页	108K
描述
Evaluation Kit for the MAX1450

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中文翻译

获取价格

数据手册

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MAX1450EVKIT 数据手册

19-1611; Rev 0; 1/00

MAX1 4 5 0 Eva lu a t io n Kit

Ge n e ra l De s c rip t io n

Fe a t u re s

ꢀ Proven PC Board Layout

The MAX1450 evaluation kit (EV kit) demonstrates sili-

con piezoresistive sensor calibration and temperature

compensation using the MAX1450. The kit includes an

a s s e mb le d a nd te s te d PC b oa rd with a Luc a s

NovaSensor^®pressure sensor calibrated at room tem-

perature. It also supports several popular pressure-sen-

sor packages. The board uses multiturn potentiometers

and configuration switches to calibrate and tempera-

ture-compensate a sensor to 1% accuracy.

ꢀ Convenient Test Points Provided On-Board

ꢀ Includes Calibrated (at room temperature)

Lucas NovaSensor Pressure Sensor

ꢀ Fully Assembled and Tested

ꢀ Supports Many Popular Sensor Packages

Ord e rin g In fo rm a t io n

Co m p o n e n t Lis t

PART

TEMP. RANGE

IC PACKAGE

DESIGNATION QTY

DESCRIPTION

0.1µF ceramic capacitors

0.01µF ceramic capacitor

MAX1450EVKIT

-40°C to +125°C

20 SSOP

C1, C2, C3

6.2V, 500mW, surface-mount zener

diode

Qu ic k S t a rt

Use the quick-start procedure to evaluate initial factory

calibration accuracy or to modify the calibration set-

tings. Before recalibrating the MAX1450, you should

test the precalibrated EV board. Supply power to the

PC board and measure the output voltage as a function

of pressure and temperature. As shipped from the fac-

tory, the EV kit has been calibrated at room tempera-

ture but not compensated over temperature.

JU1, JU2

P1, P2

Open

4-pin headers

P3, P4

10-pin headers

1MΩ ±5% resistors (1206)

Open

R1–R5

R6, R8–R11

SW1

Five-position SPST dip switch

Sensor site 1

Lucas NovaSensor NPH-8-100GH

(TO-8, 100kPa gauge)

Re q u ire d Eq u ip m e n t

• Precision regulated power supply capable of providing

+5.000V

Other possible sensors:

Sentir AP-301 (modified TO-5) or

IC sensors models 10/20/30/40 (TO-8)

• Multimeter with at least five significant digits

• 0–15psi gauge pneumatic pressure controller/calibrator

Sensor site 2

In it ia l S e t u p

The four-pin sensor connector (P2) can be used to

probe the four sensor nodes: sensor excitation (IN+),

sensor ground (IN-), sensor positive output (OUT+), and

sensor negative output (OUT-). This connector may also

se rve a s a me a ns of wiring to a n a lte rna te se nsor.

Connector P2 allows the user to supply power to the

board, and to measure output voltage and sensor exci-

tation voltage.

Sensym SDX and ISO series,

IC sensors LP series, or

Lucas NovaSensor NPI series

Maxim MAX1450CAP (20-pin SSOP)

VR1, VR2, VR3

50kΩ trim potentiometers

500kΩ trim potentiometer

(supplied but not mounted)

VR4

VR5

None

100kΩ trim potentiometer

PC board

Ro o m Te m p e ra t u re Be n c h Te s t

The board’s output is ratiometric to the supply; there-

fore, supply voltage must be set accurately to minimize

measurement error.

MAX1450 EV kit data sheet

MAX1450 data sheet

NovaSensor is a registered trademark of Lucas Varity.

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7 8

中文翻译

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