AD5170BRMZ10

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Series Information for AD5170BRMZ10 - Analog Devices

Features

  • feature
    256-position digital potentiometer Two-time programmable (TTP) set-and-forget resistance setting allows second-chance permanent programming Unlimited adjustments prior to one-time programming (OTP) activation OTP overwrite allows dynamic adjustments with user- defined preset End-to-end resistance: 2.5 ku03a9, 10 ku03a9, 50 ku03a9, 100 ku03a9 Compact 10-lead MSOP: 3 mm u00d7 4.9 mm package Fast settling time: tS = 5 u03bcs typical in power-up Full read/write of wiper register Power-on preset to midscale Extra package address decode pins: AD0 and AD1 Single supply: 2.7 V to 5.5 V Low temperature coefficient: 35 ppm/u00b0C Low power: IDD = 6 u03bcA maximum Wide operating temperature: u221240u00b0C to +125u00b0C Evaluation board and software are available Software replaces MicroConverteru00ae in factory programming

Description

DIGITAL POT 10KOHM SINGLE MSOP-10
The AD5170 is a 256-position, two-time programmable, digital potentiometer1 that employs fuse link technology, giving users two opportunities to permanently program the resistance setting. For users who do not need to program the digital potentiometer setting in memory more than once, the OTP feature is a cost- effective alternative to EEMEM. The AD5170 performs the same electronic adjustment function as mechanical potentiometers or variable resistors with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. The AD5170 is programmed using a 2-wire, I2C®-compatible digital interface. Unlimited adjustments are allowed before permanently setting the resistance value, and there are two opportunities for permanent programming. During OTP activation, a permanent blow fuse command freezes the wiper position (analogous to placing epoxy on a mechanical trimmer). Unlike traditional OTP digital potentiometers, the AD5170 has a unique temporary OTP overwrite feature that allows for new adjustments even after the fuse is blown. However, the OTP setting is restored during subsequent power-up conditions. This feature allows users to treat these digital potentiometers as volatile poten- tiometers with a programmable preset. For applications that program the AD5170 at the factory, Analog Devices, Inc., offers device programming software that runs on Windows NT®, Windows® 2000, and Windows XP operating systems. This software effectively replaces any external I2C con- trollers, thus enhancing the time-to-market of the user’s systems.

Specifications

End To End Resistance:
10kohm
No. of Pots:
Single
Control Interface:
I2C
Track Taper:
Linear
Resistance Tolerance:
± 20%
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.5V
Potentiometer IC Case Style:
MSOP
No. of Pins:
10Pins
No. of Steps:
256
Temperature Coefficient:
± 35ppm/°C
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
Single 256-Tap OTP Digital Pots
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)