AD7417BR Analog Devices Inc, AD7417BR Datasheet

AD7417BR

Manufacturer Part Number

AD7417BR

Description

ADC Single SAR 10-Bit Serial 16-Pin SOIC N

Manufacturer

Analog Devices Inc

Datasheet

1.AD7418ARZ.pdf (24 pages)

Specifications of AD7417BR

Package

16SOIC N

Resolution

10 Bit

Architecture

SAR

Number Of Adcs

Number Of Analog Inputs

Digital Interface Type

Serial (2-Wire, I2C)

Input Type

Voltage

Polarity Of Input Voltage

Unipolar

Rohs Status

RoHS non-compliant

Function

Temp Monitoring System (Sensor)

Topology

ADC, Comparator, Register Bank

Sensor Type

Internal

Sensing Temperature

-40°C ~ 85°C

Output Type

I²C™

Output Alarm

Output Fan

Yes

Voltage - Supply

2.7 V ~ 5.5 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

16-SOIC (0.154", 3.90mm Width)

For Use With

EVAL-AD7416/7/8EBZ - BOARD EVALUATION FOR AD7416/7/8

Lead Free Status / RoHS Status

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Current page: 1 of 3
Download datasheet (24Kb)

Americas:

This notice is to inform you of a change that will be made to certain ADI products (see Material Report). Any special requests regarding the change

should be made within 30 days of this notice.

Revision Description*:

Note: Revised fields are indicated by a red field name. See Appendix B for revision history.

PCN Title:

Publication Date:

Samples Available Date:

Effectivity Date:

Description Of Change

Reason For Change

Anticipated impact of the change (positive or negative) on fit, form, function & reliability

Summary of Supporting Information

Correct Effectivity Date to 27-Feb-2009

1. Power On Reset

The edit to the power on reset will ensure that for certain supply profiles (a combination of ramp up/down times, the size of the voltage dip and the duration of

the dip) the power on reset block is activated to ensure the AD7417 behaves predictably. The Edit involves an all layer change where the existing power on

reset block was replaced with two independent POR blocks (which are OR'd

together for extra reliability) which represent the state of the art within ADI on this process node. The edit is localized to a small area of the die. The additional

current consumed by the POR circuitry means that the maximum powerdown IDD specification will increase from 1uA to 1.5uA. Typical powerdown current

will be 700nA.

2. Serial Interface

The edit to the serial bus controller makes a minor change to a state machine and will allow correct operation of the serial bus during fault conditions. This

required an all layer change to introduce 2 digital gates into the serial bus design. As with the POR edit the design was copied from a proven design on the

process.

REV B DECEMBER 2008 UPDATE: Results from characterisation and yield analysis have shown that the datasheet specification for powerdown IDD must

increase from 1 to 1.5uA. The datasheet is being revised accordingly. All samples sent to customers under the existing PCN (Rev. A) have used the final silicon

and are representative of this datasheet change so no additional sampling is required.

Improved product performance as a result of wafer fab transfer.

The only datasheet specification change concerns Powerdown IDD. Typical value increases to 700nA. Maximum value increases to 1.5uA (from 1uA). All

other datasheet specifications are unaffected.

1.Power On Reset: Evaluation to date has included testing 3 parts from one lot over voltage and temperature extremes with a matrix of rise and fall time to

confirm the fix vs. the old silicon. Testing over supply and temperature on 100 units from the same single lot has confirmed that the edit has left all other

specifications (other than powerdown IDD) unchanged.

2. Serial Interface: Silicon characterization was carried out on 3 parts from 1 lot at voltage and

temperature extremes to confirm the specific fix. Yield analysis on 100 parts from the same lot confirmed that the fix did not impact other specifications.

ESD and LU testing confirmed that (as expected) the part is unaffected by this redesign.

Supporting Documents

PCN_Americas@analog.com

For questions on this PCN, send email to the regional contacts below or contact your local ADI sales representitive

Product/Process Change Notice - PCN 08_0040 Rev. C

Analog Devices, Inc. Three Technology Way Norwood, Massachusetts 02062-9106

AD7417 Functionality Improvement

18-Dec-2008

28-Nov-2008

27-Feb-2009 (the earliest date that a customer could expect to receive changed material)

None

Europe:

PCN_Europe@analog.com

Analog Devices, Inc. PCN 08_0040_Rev_C Page 1 of 3

Japan:

Rest of Asia:

PCN_Japan@analog.com

PCN_ROA@analog.com

Related parts for AD7417BR

AD7417BR Summary of contents

Page 1

Product/Process Change Notice - PCN 08_0040 Rev. C Analog Devices, Inc. Three Technology Way Norwood, Massachusetts 02062-9106 This notice is to inform you of a change that will be made to certain ADI products (see Material Report). Any special requests ...

Page 2

... AD7417 / AD7417AR AD7417 / AD7417ARU-REEL7 AD7417 / AD7417ARUZ AD7417 / AD7417ARZ-REEL7 AD7417 / AD7417BR AD7417 / AD7417BRZ-REEL7 AD7417 / AD7417AR-REEL AD7417 / AD7417AR-REEL7 AD7417 / AD7417ARUZ-REEL AD7417 / AD7417ARUZ-REEL7 AD7417 / AD7417BR-REEL AD7417 / AD7417BR-REEL7 Analog Devices, Inc. PCN 08_0040_Rev_C Page AD7417 / AD7417ARU AD7417 / AD7417ARU-REEL AD7417 / AD7417ARZ AD7417 / AD7417ARZ-REEL AD7417 / AD7417BRZ AD7417 / AD7417BRZ-REEL ...

Page 3

Rev Publish Date Rev. - 25-Nov-2008 Initial Release Rev. A 09-Jul-2008 Updating effectivity date to 20 Oct 08 Rev. B 18-Dec-2008 Rev. B December 2008: Powerdown IDD increase from 1 to 1.5uA Rev. C 18-Dec-2008 Correct Effectivity Date to 27-Feb-2009 ...

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