IC Phoenix
 
Home ›  MM76 > MAX7500MSA+-MAX7500MSA+T-MAX7500MUA+-MAX7500MUA+T-MAX7501MSA+-MAX7501MUA+T-MAX7503MUA+,Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7500MSA+-MAX7500MSA+T-MAX7500MUA+-MAX7500MUA+T-MAX7501MSA+ Fast Delivery,Good Price
Part Number:
If you need More Quantity or Better Price,Welcom Any inquiry.
We available via phone +865332716050 Email
Partno Mfg Dc Qty AvailableDescript
MAX7500MSA+ |MAX7500MSAMAXIMN/a8100avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7500MSA+T |MAX7500MSATMAXIMN/a7500avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7500MUA+ |MAX7500MUAMAXIMN/a12400avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7500MUA+TMAXIM/RON/a3697avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7501MSA+MAXIMN/a1000avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7501MUA+TMAXIMN/a2500avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
MAX7503MUA+ |MAX7503MUAMAXIMN/a14730avaiDigital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection


MAX7503MUA+ ,Digital Temperature Sensors and Thermal Watchdog with Bus Lockup ProtectionFeaturesThe MAX7500–MAX7504 temperature sensors accu- ♦ Timeout Prevents Bus Lockup (MAX7500,rately ..
MAX750ACPA ,Adjuistable, step-down, current-mode PWM regulator. Inputs from 4V to 11V, up to 450mA load currents.ApplicationsMAX750AEPA -40°C to +85°C 8 Plastic DIPCellular Phones & RadiosMAX750AESA -40°C to +85° ..
MAX750ACSA ,Adjustable, Step-Down, Current-Mode PWM RegulatorsApplicationsMAX750AEPA -40°C to +85°C 8 Plastic DIPCellular Phones & RadiosMAX750AESA -40°C to +85° ..
MAX750ACSA ,Adjustable, Step-Down, Current-Mode PWM RegulatorsELECTRICAL CHARACTERISTICS(Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, ..
MAX750ACSA+ ,Adjustable, PWM, Step-Down RegulatorApplicationsMAX750AEPA -40°C to +85°C 8 Plastic DIPCellular Phones & RadiosMAX750AESA -40°C to +85° ..
MAX750ACSA+T ,Adjustable, PWM, Step-Down RegulatorELECTRICAL CHARACTERISTICS(Circuit of Figure 3, V+ = 9V for the MAX750A, V+ = 12V for the MAX758A, ..
MB6M ,MINIATURE GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIERThermal Characteristics (TA = 25°C unless otherwise noted)Parameter Symbol MB2M MB4M MB6M UnitDevic ..
MB6S ,Bridge RectifiersThermal Characteristics (T = 25°C unless otherwise noted)AParameter Symbol MB2S MB4S MB6S UnitDevic ..
MB7117E , Schottky TTL 2048-Bit Bipolar Programmable Read-Only Memory
MB71A38-25 , PROGRAMMABLE SCHOTTKY 16384-BIT READ ONLY MEMORY


MAX7500MSA+-MAX7500MSA+T-MAX7500MUA+-MAX7500MUA+T-MAX7501MSA+-MAX7501MUA+T-MAX7503MUA+
Digital Temperature Sensors and Thermal Watchdog with Bus Lockup Protection
General Description
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 an2C-compatible 2-wire serial interface. The MAX7500/
MAX7501/MAX7502 integrate a timeout feature that
offers protection against I2C bus lockups. The
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 RESETinput. The MAX7500/MAX7501/
MAX7502s’ 3.0V to 5.5V supply voltage range, low
250µA supply current, and a lockup-protected I2C-com-
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.
Applications

PCs
Servers
Office Electronics
Electronic Test Equipment
Industrial Process Control
Features
Timeout Prevents Bus Lockup (MAX7500,
MAX7501, MAX7502)
Hardware Reset for Added ProtectionI2C Bus Interface3.0V 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
+100°C, 3-σ)
µMAX, SO Packages Save SpaceSeparate Open-Drain OS Output Operates as
Interrupt or Comparator/Thermostat Input
Register Readback CapabilityImproved LM75 Second Source
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
Ordering Information/
Selector Guide

19-3382; Rev 4; 10/10
EVALUATION KIT
AVAILABLE
PARTTEMP
RANGE
PIN-
PACKAGE
RESETTIMEOUT
MAX7500MSA
-55°C to
+125°C8 SOXX
Ordering Information/Selector Guide continued at end of
data sheet.
Pin Configurations appear at end of data sheet.

MAX7501
MAX7502
MAX7503
MAX7504
+3.0V TO +5.5V+3.0V TO +5.5V
+VS
RESETGND
SCL
SDA
TO I2C MASTER
4.7kΩ
+VSGND
SCL
SDA
TO I2C MASTER
4.7kΩ
MAX7500
Typical Application Circuits
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(+VS = +3.0V to +5.5V, TA= -55°C to +125°C, unless otherwise noted. Typical values are at +VS= +3.3V, TA= +25°C.) (Notes 4, 5)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifica-
tions do not apply when operating the device beyond its rated operating conditions.
Note 2:
When the input voltage (VI) at any pin exceeds the power supplies (VI< VGNDor VI> + VS), the current at that pin should be
limited to 5mA. The 20mA maximum package input current rating limits the number of pins that can safely exceed the power
supplies with an input current of 5mA to 4.
Note 3:
Human Body Model, 100pF discharged through a 1.5kΩresistor.
(Note 1)
+VSto GND.............................................................-0.3V to +6V
OS, SDA, SCL to GND..........................................-0.3V to +6.0V
All Other Pins to GND................................-0.3V to (+VS+ 0.3V)
Input Current at Any Pin (Note 2) .....................................+5mA
Package Input Current (Note 2) .....................................+20mA
ESD Protection (all pins, Human Body Model, Note 3)...±2000V
Continuous Power Dissipation (TA = +70°C)
8-Pin µMAX (derate 4.5mW/°C above +70°C)............362mW
8-Pin SO (derate 5.9mW/°C above +70°C).................471mW
Operating Temperature Range .......................-55°C to +125°C
Junction Temperature ....................................................+150°C
Storage Temperature Range ...........................-65°C to +150°C
Lead Temperature (soldering, 10s) ...............................+300°C
Soldering Temperature (reflow)
Lead(Pb)-free..............................................................+260°C
Containing lead(Pb)....................................................+240°C
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS

-25°C ≤ TA ≤ +100°C-2.0±2.0Accuracy, 6-σ-55°C ≤ TA ≤ +125°C-3.0±3.0°C
-25°C ≤ TA ≤ +100°C-1.5+1.5Accuracy, 3-σ (Note 5)-55°C ≤ TA ≤ +125°C-2.0+2.0
Resolution9bits
Conversion Time(Note 6)100ms
I2C inactive0.250.5mA
Shutdown mode, +VS = 3V3Quiescent Supply Current
Shutdown mode, +VS = 5V5µA
+VS Supply Voltage Range3.05.5V
OS Output Saturation VoltageIOUT = 4.0mA (Note 7)0.8V
OS Delay(Note 8)16Conver-
sions
TOS Default Temperature(Note 9)80°C
THYST Default Temperature(Note 9)75°C
LOGIC (SDA, SCL, A0, A1, A2)

Input High VoltageVIH+VS x
0.7V
Input Low VoltageVIL+VS x
0.3V
Input High CurrentIIHVIN = 5V0.0051.0µA
Input Low CurrentIILVIN = 0V0.0051.0µA
Input CapacitanceAll digital inputs5pF
Output High CurrentVIN = 5V1µA
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
Note 4:
All parameters are measured at +25°C. Values over the temperature range are guaranteed by design.
Note 5:
There are no industry-wide standards for temperature accuracy specifications. These values allow comparison to ven-
dors who use 3-σlimits.
Note 6:
This specification indicates how often temperature data is updated. The devices can be read at any time without regard
to conversion state, while yielding the last conversion result.
Note 7:
For best accuracy, minimize output loading. Higher sink currents can affect sensor accuracy due to internal heating.
Note 8:
OS delay is user programmable up to six “over-limit” conversions before OS is set to minimize false tripping in noisy
environments.
Note 9:
Default values set at power-up.
Note 10:
All timing specifications are guaranteed by design.
Note 11:
A master device must provide a hold time of at least 300ns for the SDA signal to bridge the undefined region of SCL’s
falling edge.
Note 12:
CB= total capacitance of one bus line in pF. Tested with CB= 400pF.
Note 13:
Input filters on SDA, SCL, and A_ suppress noise spikes less than 50ns.
Note 14:
Holding the SDA line low for a time greater than tTIMEOUTcauses the devices to reset SDA to the IDLE state of the serial
bus communication (SDA set high).
ELECTRICAL CHARACTERISTICS (continued)

(+VS = +3.0V to +5.5V, TA= -55°C to +125°C, unless otherwise noted. Typical values are at +VS= +5V, TA= +25°C.) (Notes 4, 5)
PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS
I2C-COMPATIBLE TIMING (Note 10)

Serial Clock FrequencyfSCLBus timeout inactiveDC400kHz
Minimum RESET Pulse Width1µs
Bus Free Time Between STOP
and START ConditionstBUF1.3µs
START Condition Hold TimetHD:STA0.6µs
STOP Condition Setup TimetSU:STO90% of SCL to 10% of SDA100ns
Clock Low PeriodtLOW1.3µs
Clock High PeriodtHIGH0.6µs
START Condition Setup TimetSU:STA90% of SCL to 90% of SDA100ns
Data Setup TimetSU:DAT10% of SDA to 10% of SCL100ns
Data Hold TimetHD:DAT10% of SCL to 10% of SDA (Note 11)00.9µs
Maximum Receive SCL/SDA Rise
TimetR300ns
Minimum Receive SCL/SDA Rise
TimetR(Note 12)
20 +
0.1 x
Maximum Receive SCL/SDA Fall
TimetF300ns
Minimum Receive SCL/SDA Fall
TimetF(Note 12)
20 +
0.1 x
Transmit SDA Fall TimetF(Note 12)
20 +
0.1 x
250ns
Pulse Width of Suppressed SpiketSP(Note 13)050ns
SDA Time Low for Reset of Serial
InterfacetTIMEOUTMAX7500/MAX7501/MAX7502 (Note 14)150300ms
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)
QUIESCENT SUPPLY CURRENT
vs. TEMPERATURE

MAX7500 toc01
TEMPERATURE (°C)
QUIESCENT SUPPLY CURRENT (65355-25
+VS = +5V
+VS = +3V
SHUTDOWN SUPPLY CURRENT (
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE

MAX7500 toc02
TEMPERATURE (°C)65355-25-55125
+VS = +5V
+VS = +3V
ACCURACY vs. TEMPERATURE

ACCURACY (
MAX7500 toc03
TEMPERATURE (°C)65355-25-55125
4 TYPICAL PARTS
Pin Description
PIN
MAX7500MAX7501–
MAX7504
NAMEFUNCTION
1SDASerial Data Input/Output Line. Open drain. Connect SDA to a pullup resistor.2SCLSerial Data Clock Input. Open drain. Connect SCL to a pullup resistor.3OSOvertemperature Shutdown Output. Open drain. Connect OS to a pullup resistor.4GNDGroundA22-Wire Interface Address Input. Connect A2 to GND or +VS to set the desired I2C bus
address. Do not leave unconnected (see Table 1).RESETActive-Low Reset Input. Pull RESET low for longer than the minimum reset pulse width
to reset the I2C bus and all internal registers to their POR values.A12-Wire Interface Address Input. Connect A1 to GND or +VS to set the desired I2C bus
address. Do not leave unconnected (see Table 1).A02-Wire Interface Address Input. Connect A0 to GND or +VS to set the desired I2C bus
address. Do not leave unconnected (see Table 1).+VSPositive Supply Voltage Input. Bypass to GND with a 0.1µF bypass capacitor.
Detailed Description

The MAX7500–MAX7504 temperature sensors measure
temperature, convert the data into digital form using a
sigma-delta ADC, and communicate the conversion
results through an I2C-compatible 2-wire serial inter-
face. These devices accept standard I2C commands to
read the data, set the overtemperature alarm (OS) trip
thresholds, and configure other characteristics. The
MAX7500 features three address select lines (A0, A1,
A2) while the MAX7501–MAX7504 feature two address
select lines (A0, A1) and a RESETinput. The
MAX7500–MAX7504 operate from +3.0V to +5.5V sup-
ply voltages and consume 250µA of supply current.
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection
I2C-Compatible Bus Interface

From a software perspective, the MAX7500–MAX7504
appear as a set of byte-wide registers that contain tem-
perature data, alarm threshold values, and control bits.
A standard I2C-compatible 2-wire serial interface reads
temperature data and writes control bits and alarm
threshold data. Each device responds to its own I2C
slave address, which is selected using A0, A1, and A2.
See Table 1.
The MAX7500–MAX7504 employ four standard I2C
protocols: write byte, read byte, send byte, and receive
byte (Figures 1, 2, and 3). The shorter receive byte pro-
tocol allows quicker transfers, provided that the correct
data register was previously selected by a read-byte
instruction. Use caution when using the shorter proto-
cols in multimaster systems, as a second master could
overwrite the command byte without informing the first
master. The MAX7500 has eight different slave
addresses available; therefore, a maximum of eight
MAX7500 devices can share the same bus. The
MAX7501–MAX7504 each have four different slave
addresses available.
DEVICEBIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0

MAX75001001A2A1A0RD/W
MAX750110011A1A0RD/W
MAX750210010A1A0RD/W
MAX750310011A1A0RD/W
MAX750410010A1A0RD/W
Table 1. I2C Slave Addresses

tBUF
tSU:STO
tHD:STA
tSU:STA
tHD:DAT
tHIGH
tLOW
tSU:DAT
tHD:STA
SCL
SDAtR
ACKNOWLEDGE
(A)
STOP
CONDITION
(P)
START
CONDITION
(S)
START
CONDITION
(S)
REPEATED START
CONDITION
(SR)
PARAMETERS ARE MEASURED FROM 10% TO 90%.
Figure 1. Serial Bus Timing
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection

ADDRESS
BYTE
ADDRESS
BYTE
ADDRESS
BYTE
(a) TYPICAL POINTER SET FOLLOWED BY IMMEDIATE READ FROM CONFIGURATION REGISTER
(b) CONFIGURATION REGISTER WRITE
(c) T
HIGH
AND T
LOW
WRITE
POINTER
BYTE
POINTER
BYTE
POINTER
BYTE
MOST-SIGNIFICANT
DATA BYTE
LEAST-SIGNIFICANT
DATA BYTE
CONFIGURATION
BYTE
ADDRESS
BYTE
DATABYTE
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
START
MASTER
START
MASTER
START
MASTER
REPEAT
START
MASTER
ACK BY
MASTER
STOP
COND BY
MASTER
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
STOP
COND BY
MASTER
STOP
COND BY
MASTER
ACK BY
MAX7500–
MAX7504
Figure 2. I2C-Compatible Timing Diagram (Write)
MAX7500–MAX7504
Digital Temperature Sensors and Thermal
Watchdog with Bus Lockup Protection

ADDRESS
BYTE
ADDRESS BYTE
ADDRESS
BYTE
ADDRESS
BYTE
DATABYTE
(a) TYPICAL 2-BYTE READ FROM PRESET POINTER LOCATION SUCH AS TEMP, T
HIGH
, T
LOW
(b) TYPICAL POINTER SET FOLLOWED BY IMMEDIATE READ FOR 2-BYTE REGISTER SUCH AS TEMP, T
HIGH
, T
LOW
(c) TYPICAL 1-BYTE READ FROM CONFIGURATION REGISTER WITH PRESET POINTER.
MOST-SIGNIFICANT
DATA BYTE
LEAST-SIGNIFICANT
DATA BYTE
POINTER BYTE
MOST-SIGNIFICANT
DATA BYTE
LEAST-SIGNIFICANT
DATA BYTE
ACK BY
MAX7500–
MAX7504
ACK BY
MASTER
ACK BY
MAX7500–
MAX7504
ACK BY
MAX7500–
MAX7504
ACK BY
MASTER
ACK BY
MAX7500–
MAX7504
ACK BY
MASTER
START
MASTER
START
MASTER
REPEAT
START
MASTER
START
MASTER
STOP
COND BY
MASTER
STOP
COND BY
MASTER
STOP
COND BY
MASTER
NO ACK BY
MASTER
NO
ACK BY
MASTER
NO
ACK BY
MASTER
Figure 3. I2C-Compatible Timing Diagram (Read)
ic,good price


TEL:86-533-2716050      FAX:86-533-2716790
   

©2020 IC PHOENIX CO.,LIMITED