MAX6659 Просмотр технического описания (PDF) - Maxim Integrated

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MAX6659

±1°C, SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

Maxim Integrated 

±1°C, SMBus-Compatible Remote/Local Temperature

Sensors with Overtemperature Alarms

Pin Description

PIN

MAX6657

MAX6658

MAX6659

1

1

NAME

FUNCTION

Supply Voltage Input, +3V to +5.5V. Bypass to GND with a 0.1µF capacitor. A 200Ω

VCC

series resistor is recommended but not required for additional noise filtering. See

Typical Operating Circuit.

Combined Remote-Diode Current Source and A/D Positive Input for Remote-Diode

2

3

DXP

Channel. DO NOT LEAVE DXP UNCONNECTED; connect DXP to DXN if no remote

diode is used. Place a 2200pF capacitor between DXP and DXN for noise filtering.

3

4

DXN

Combined Remote-Diode Current Sink and A/D Negative Input. DXN is internally

biased to one diode drop above ground.

4

6

OVERT1

Overtemperature Active-Low Output, Open-Drain. Output is logic low only when

temperature is above the software programmed threshold.

5

7, 8

GND

Ground

SMBus Alert (Interrupt) Active-Low Output, Open-Drain. Asserts when temperature

6

9

ALERT

exceeds user-set limits (high or low temperature). Stays asserted until acknowledged

by either reading the Status register or by successfully responding to an Alert

Response address. See ALERT Interrupts.

7

12

SMBDATA SMBus Serial-Data Input/Output, Open-Drain

8

14

SMBCLK SMBus Serial-Clock Input

—

5

ADD

SMBus Address-Select Pin. The MAX6659 is set to one of three available addresses

(connect to VCC, GND, or leave open). See Slave Addresses section.

—

10

OVERT2

Overtemperature Active-Low Output, Open-Drain. Output is logic low only when

temperature is above the software programmed threshold.

—

15

STBY

Hardware Standby Input. Temperature and comparison threshold data are retained in

standby mode. If STBY is low, the IC is put into standby mode.

—

2, 11, 13, 16

N.C.

Not internally connected. Do not make connections to these pins.

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