AD7418ARMZ Analog Devices Inc, AD7418ARMZ Datasheet - Page 2

• Manufacturer Part Number: AD7418ARMZ
• Description: 1CH. I2C ADC W/ON-CHIP TEMP SENSOR I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD7418ARMZ

• Function: Temp Monitoring System (Sensor)
• Topology: ADC, Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Number Of Elements: 1
• Resolution: 10Bit
• Architecture: SAR
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: 2.5V
• Differential Input: No
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 450mW
• Differential Linearity Error: ±1LSB
• Integral Nonlinearity Error: ±1LSB
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: MSOP
• Input Signal Type: Single-Ended
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7416/7/8EBZ - BOARD EVALUATION FOR AD7416/7/8
• Lead Free Status / Rohs Status: Compliant

AD7416/AD7417/AD7418
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagrams............................................................. 1
Revision History ............................................................................... 2
Product Highlights ........................................................................... 3
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 7
Pin Configurations and Function Descriptions ........................... 8
Terminology .................................................................................... 10
Theory of Operation ...................................................................... 11
REVISION HISTORY
11/10—Rev. H to Rev. I
Changes to Figure 19...................................................................... 16
2/09—Rev. G to Rev. H
Updated Format..................................................................Universal
Changes to Data Sheet Title, Figure 2 and Figure 3..................... 1
Moved Product Highlights Section................................................ 3
Changes to Table 1............................................................................ 4
Changes to Endnote 1, Table 2........................................................ 6
Added Figure 5 Caption................................................................... 7
Changes to Table 4............................................................................ 8
Changes to Table 5 and Table 6....................................................... 9
Changes to On-Chip Reference Section...................................... 11
Changes to Figure 13...................................................................... 12
Changes to Table 8 and Table 10................................................... 13
Changes to Figure 15, Figure 16, and Figure 17 ......................... 15
Changes to Reading Data From the AD7416/AD7417/AD7418
Section, Figure 18, and Figure 19 ................................................. 16
Change to Mode 1 .......................................................................... 17
Changes to Figure 22 Caption and CONVST Pin Mode
Section.............................................................................................. 18
Moved Figure 21 and Figure 22 .................................................... 18
Changes to Power-On Reset Section............................................ 19
Updated Outline Dimensions ....................................................... 21
Changes to Ordering Guide .......................................................... 23
AD7417/AD7418 Specifications................................................. 4
AD7416 Specifications................................................................. 6
ESD Caution.................................................................................. 7
Circuit Information.................................................................... 11
Converter Details........................................................................ 11
Typical Connection Diagram ................................................... 11
Analog Inputs.............................................................................. 11
Rev. I | Page 2 of 24
Applications Information .............................................................. 19
Outline Dimensions ....................................................................... 21
8/04—Data Sheet Changed from Rev. F to Rev. G
Changes to Figure 12...................................................................... 12
Changes to Reading Data from the AD7416/AD7417/AD7418
Section.............................................................................................. 13
Changes to Power-On-Reset section ........................................... 14
7/03—Data Sheet Changed from Rev. E to Rev. F
Updated Features...............................................................................1
Updated Specifications .....................................................................3
Updated Absolute Maximum Ratings ............................................6
Updated Ordering Guide .................................................................6
Updated Product Highlights............................................................7
Updated Circuit Information...........................................................7
Updated Temperature Measurement section ................................9
10/02—Data Sheet Changed from Rev. D to Rev. E
Edits to Specifications Headings .....................................................2
Added Temperature Measurement section....................................8
Edits to Serial Bus Address section .............................................. 10
Edits to Figure 11............................................................................ 12
Edits to CONVST Pin Mode section ........................................... 14
Edits to Power-On-Reset section ................................................. 14
Addition of Figures 16 and 17 ...................................................... 15
Updated Outlines ........................................................................... 16
On-Chip Reference .................................................................... 11
Temperature Measurement ....................................................... 12
Internal Register Structure........................................................ 12
Serial Bus Interface..................................................................... 14
OTI Output ................................................................................. 17
Fault Queue ................................................................................. 17
Power-On Defaults..................................................................... 17
Operating Modes........................................................................ 17
CONVST Start Mode................................................................. 18
Supply Decoupling ..................................................................... 19
Power-On Reset.......................................................................... 19
Mounting the AD7416/AD7417/AD7418 .............................. 19
Fan Controller............................................................................. 19
Thermostat .................................................................................. 19
System with Multiple AD7416 Devices................................... 20
Ordering Guide .......................................................................... 23