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LM75B
(Rev.:2008)

Digital temperature sensor and thermal watchdog

NXP Semiconductors. 

NXP Semiconductors

5. Block diagram

LM75B

Digital temperature sensor and thermal watchdog

LM75B

BIAS

REFERENCE

BAND GAP

TEMP SENSOR

OSCILLATOR

POWER-ON

RESET

VCC

11-BIT

SIGMA-DELTA

A-to-D

CONVERTER

POINTER

REGISTER

CONFIGURATION

REGISTER

COUNTER

TEMPERATURE

REGISTER

TIMER

TOS

REGISTER

COMPARATOR/

INTERRUPT

THYST

REGISTER

OS

LOGIC CONTROL AND INTERFACE

A2 A1 A0

SCL SDA

GND

Fig 1. Block diagram of LM75B

6. Pinning information

002aad453

6.1 Pinning

LM75B

Product data sheet

SDA 1

SCL 2

OS 3

GND 4

LM75BD

8 VCC

7 A0

6 A1

5 A2

002aad454

Fig 2. Pin configuration for SO8

SDA 1

8 VCC

SCL 2

OS 3

LM75BGD

7 A0

6 A1

GND 4

5 A2

002aae234

Transparent top view

Fig 4. Pin configuration for XSON8U

SDA 1

SCL 2

OS 3

GND 4

LM75BDP

8 VCC

7 A0

6 A1

5 A2

002aad455

Fig 3. Pin configuration for TSSOP8

terminal 1

index area

SDA 1

SCL 2

OS 3

GND 4

LM75BTP

8 VCC

7 A0

6 A1

5 A2

002aag155

Transparent top view

Fig 5. Pin configuration for HWSON8

All information provided in this document is subject to legal disclaimers.

Rev. 6.1 — 6 February 2015

© NXP B.V. 2015. All rights reserved.

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