DS3903
PRODUCTIONTriple 128-Position Nonvolatile Digital Potentiometer
Lowest Cost Nonvolatile Triple Potentiometer Ideal for Automating Power-Supply Calibration Eliminates Manual Factory Calibration Costs
- Part Models
- 2
- 1ku List Price
- Starting From $1.45
Overview
- Three 128-Position Linear Potentiometers (Two 10kΩ, One 100kΩ)
- NV Wiper Storage
- Low End-to-End Temperature Coefficient
- Operates on an Industry-Standard 2-Wire Bus
- Write-Protect Pin
- Supply Range: 3V or 5V
- Operating Temperature Range: -40°C to +85°C
- Packaging: 20-Pin TSSOP
The DS3903 contains three nonvolatile (NV) low temperature coefficient digital potentiometers, which can be accessed through a 2-wire bus. The DS3903 operates in both 3V and 5V systems, and it features a write-protect pin that can lock the positions of the potentiometers. An address pin allows two DS3903s to be placed on the same 2-wire bus.
Applications
- A Small and Low-Cost Replacement for Mechanical Potentiometers
- Fiber Optic Transceiver Modules
- Mobile Phones and PDAs
- Portable Electronics
- Power Supply Calibration
Documentation
Data Sheet 1
Reliability Data 1
Application Note 1
Design Note 3
Technical Articles 3
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| DS3903E-020+ | Thin Shrink Small-Outline Package | ||
| DS3903E-020+T&R | Thin Shrink Small-Outline Package |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Digital Potentiometers (DigiPOTs) 1 | ||
| DS1846 | NV Tri-Potentiometer, Memory and MicroMonitor | |
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