Rainbow-electronics MAX6652 Manual do Utilizador descarregar pdf (Página 4)

MAX6652

Temperature Sensor and System Monitor

in a 10-Pin µMAX

4 _______________________________________________________________________________________

Typical Operating Characteristics (continued)

= +5V, ADD = GND, ALERT = 10k

Ω

to V

, T

= +25°C, unless otherwise noted.)

1k 10k

-10

-8

-6

-2

-4

1 10 100

TEMPERATURE ERROR

vs. SUPPLY NOISE FREQUENCY

MAX6652 toc04

SUPPLY NOISE FREQUENCY (kHz)

TEMPERATURE ERROR (°C)

-9

-7

-3

-5

-1

200mVp-p

= +5V

BYPASS CAP REMOVED

TEMPERATURE ERROR

vs. TEMPERATURE

MAX6652 toc05

-1.00

-0.75

-0.25

-0.50

0.50

0.75

0.25

1.00

TEMPERATURE ERROR (°C)

-50 0 25-25

75 100 125

TEMPERATURE (°C)

PIN NAME FUNCTION

1 12V

Analog Input. Monitors 12V supply.

2 2.5V

Analog Input. Monitors 2.5V supply.

3 3.3V

Analog Input. Monitors 3.3V supply.

4 N.C. No Connection. Can be connected to GND to improve thermal conductivity.

5 GND Ground

6 ALERT

SMBus Alert (Interrupt) Output, Open Drain. Alerts the master that a temperature or voltage limit

has been violated.

7 ADD

SMBus Address Select Input. ADD is sampled at the beginning of each I

C-compatible/SMBus

transaction, and the 2 LSBs of the slave address register are detemined by ADD's connection to

GND, SDA, SCL, or V

8 SDA I

C-Compatible/SMBus Serial Data Interface

9 SCL I

C-Compatible/SMBus Serial Clock Input

10 V

Supply Voltage Input, +2.7V to +5.5V. Also serves as a voltage monitor input. Bypass V

to GND

with a 0.1µF capacitor.

Pin Description

1 2 3 4 5 6 7 8 9 10 11 12

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