MAX7500MUA+T Maxim Integrated Products, MAX7500MUA+T Datasheet

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MAX7500MUA+T

Manufacturer Part Number
MAX7500MUA+T
Description
IC TEMP SENSOR DIGIT 8-UMAX
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX7500MUA+T

Function
Temp Sensor, Watchdog
Topology
ADC (Sigma Delta), Register Bank
Sensor Type
Internal
Sensing Temperature
-55°C ~ 125°C
Output Type
I²C™/SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Full Temp Accuracy
+/- 3 C
Digital Output - Bus Interface
Serial (2-Wire, I2C)
Digital Output - Number Of Bits
9 bit
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX7500MUA+T
MAX7500MUA+TTR
The MAX7500–MAX7504 temperature sensors accu-
rately measure temperature and provide an overtem-
perature alarm/interrupt/shutdown output. These
devices convert the temperature measurements to digi-
tal form using a high-resolution, sigma-delta, analog-to-
digital converter (ADC). Communication is through an
I
MAX7501/MAX7502 integrate a timeout feature that
offers protection against I
MAX7503/MAX7504 do not include the timeout feature.
The 2-wire serial interface accepts standard write byte,
read byte, send byte, and receive byte commands to
read the temperature data and configure the behavior
of the open-drain overtemperature shutdown output.
The MAX7500 features three address select lines, while
the MAX7501–MAX7504 feature two address select
lines and a RESET input. The MAX7500/MAX7501/
MAX7502s’ 3.0V to 5.5V supply voltage range, low
250µA supply current, and a lockup-protected I
patible interface make them ideal for a wide range of
applications, including personal computers (PCs), elec-
tronic test equipment, and office electronics.
The MAX7500–MAX7504 are available in 8-pin µMAX
and SO packages and operate over the -55°C to
+125°C temperature range.
19-3382; Rev 4; 10/10
µMAX is a registered trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
2
C-compatible 2-wire serial interface. The MAX7500/
PCs
Servers
Office Electronics
Electronic Test Equipment
Industrial Process Control
TO I
4.7kΩ
2
C MASTER
Digital Temperature Sensors and Thermal
________________________________________________________________ Maxim Integrated Products
Watchdog with Bus Lockup Protection
General Description
GND
SDA
SCL
OS
2
C bus lockups. The
MAX7500
Applications
+3.0V TO +5.5V
+V
A0
A1
A2
S
2
C-com-
®
♦ Timeout Prevents Bus Lockup (MAX7500,
♦ Hardware Reset for Added Protection
♦ I
♦ 3.0V to 5.5V Supply Voltage Range
♦ 250µA (typ) Operating Supply Current
♦ 3µA (typ) Shutdown Supply Current
♦ ±1.5°C (max) Temperature Accuracy (-25°C to
♦ µMAX, SO Packages Save Space
♦ Separate Open-Drain OS Output Operates as
♦ Register Readback Capability
♦ Improved LM75 Second Source
Ordering Information/Selector Guide continued at end of
data sheet.
Pin Configurations appear at end of data sheet.
MAX7500MSA
TO I
MAX7501, MAX7502)
+100°C, 3-σ)
Interrupt or Comparator/Thermostat Input
2
4.7kΩ
C Bus Interface
2
C MASTER
PART
Typical Application Circuits
-55°C to
GND
RANGE
SDA
SCL
+125°C
TEMP
OS
Ordering Information/
MAX7501
MAX7502
MAX7503
MAX7504
PIN-
PACKAGE
8 SO
+3.0V TO +5.5V
RESET
+V
Selector Guide
A0
A1
S
RESET
X
Features
TIMEOUT
X
1

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MAX7500MUA+T Summary of contents

Page 1

... C MASTER SCL OS MAX7500 GND µMAX is a registered trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com. ♦ Timeout Prevents Bus Lockup (MAX7500, MAX7501, MAX7502) ♦ Hardware Reset for Added Protection ♦ ...

Page 2

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection ABSOLUTE MAXIMUM RATINGS (Note GND ............................................................. -0.3V to +6V S OS, SDA, SCL to GND.......................................... -0.3V to +6.0V All Other Pins to GND ................................ -0.3V to (+V ...

Page 3

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection ELECTRICAL CHARACTERISTICS (continued) (+V = +3.0V to +5.5V -55°C to +125°C, unless otherwise noted. Typical values are PARAMETER SYMBOL 2 I C-COMPATIBLE TIMING (Note ...

Page 4

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection (T = +25°C, unless otherwise noted.) A QUIESCENT SUPPLY CURRENT vs. TEMPERATURE 300 290 280 +V = +5V S 270 260 +V = +3V S 250 240 230 -55 -25 ...

Page 5

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection 2 Table Slave Addresses DEVICE BIT 7 BIT 6 MAX7500 1 0 MAX7501 1 0 MAX7502 1 0 MAX7503 1 0 MAX7504 1 0 SDA t SU:DAT ...

Page 6

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection 2 Figure 2. I C-Compatible Timing Diagram (Write) 6 _______________________________________________________________________________________ ...

Page 7

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection 2 Figure 3. I C-Compatible Timing Diagram (Read) _______________________________________________________________________________________ 7 ...

Page 8

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection Table 2. Register Functions REGISTER NAME ADDRESS (HEX) Temperature 00 Configuration HYST Table 3. Temperature Register Definition UPPER BYTE D15 D14 D13 D12 Sign ...

Page 9

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection Table 5. Configuration Register Definition Table 6. Configuration Register Fault Queue Bits D4 D3 NO. OF FAULTS See ...

Page 10

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection Set bit D0 in the configuration register place the MAX7500–MAX7504 in shutdown mode and reduce supply current to 3µA. Power-Up and Power-Down The MAX7500–MAX7504 power up to ...

Page 11

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection Applications Information The MAX7500–MAX7504 feature an integrated lowpass filter on both the SCL and the SDA digital lines to miti- gate the effects of bus noise. Although this filtering makes ...

Page 12

Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may ...

Page 13

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2010 Maxim Integrated Products ...

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