Datasheet for AD5172BRMZ100:
- Manufacturer Part Number : AD5172BRMZ100
- Manufacturer : AD
- Description : 256-Position, One-Time Programmable, Dual Channel, I2C Digital Potentiometer IC
- Series : AD5172
- Reference Price : USD 1.328
- Our Price : We have a better price, contact us by email
- Product Type : Digital Potentiometers (DigiPOT)
- Function : -
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 10-Lead MSOP
- Pins : 10
- MFG Package Case : RM-10
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 125C
- Other Part Number : AD5172BRMZ100
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 2-channel, 256-position potentiometers
- One-time programmable (OTP) set-and-forget resistance setting provides a low cost alternative to EEMEM
- Unlimited adjustments prior to OTP activation
- OTP overwrite allows dynamic adjustments with user-defined preset
- End-to-end resistance: 2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
- Compact 10-lead MSOP: 3 mm × 4.9 mm
- Fast settling time: tS = 5 μs typical in power-up
- See Data Sheet for Additional Information
The AD5172/AD5173 are dual-channel, 256-position, one-time programmable (OTP) digital potentiometers1 that employ fuse link technology to achieve memory retention of resistance settings. OTP is a cost-effective alternative to EEMEM for users who do not need to program the digital potentiometer setting in memory more than once. These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.
The AD5172/AD5173 are programmed using a 2-wire, I2C®-compatible digital interface. Unlimited adjustments are allowed before permanently setting the resistance value. 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 AD5172/AD5173 have a unique temporary OTP overwrite feature that allows for new adjustments even after a fuse is blown. However, the OTP setting is restored during subsequent power-up conditions. This allows users to treat these digital potentiometers as volatile potentiometers with a programmable preset.
Applications
- Systems calibration
- Electronics level setting
- Mechanical trimmers replacement in new designs
- Permanent factory PCB setting
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Automotive electronics adjustment
- Gain control and offset adjustment
1 The terms digital potentiometer, VR, and RDAC are used interchangeably.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
