Overview
Description
The X95820 integrates two digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR), that can be directly written to and read by the user. The contents of the WR controls the position of the wiper. At power up the device recalls the contents of the two DCP's IVR to the corresponding WRs. The DCPs can be used as three-terminal potentiometers or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing.
Features
- Two potentiometers in one package
- 256 resistor taps-0.4% resolution
- I2C serial interface
- Three address pins, up to eight devices/bus
- Wiper resistance: 70Ω typical @ 3.3V
- Non-volatile storage of wiper position
- Standby current <5µA max
- Power supply: 2.7V to 5.5V
- 50kΩ, 10kΩ total resistance
- High reliability
- Endurance: 150,000 data changes per bit per register
- Register data retention: 50 years @ T ≤75°C
- 14 Ld TSSOP
- Pb-free plus anneal available (RoHS compliant)
Comparison
Applications
Design & Development
Software & Tools
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
X95820UV14IZ-2.7 Active Samples Available
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|
TSSOP | Tube | 1 | 3.225 | Get Samples, |
| TSSOP | Reel | 1 | |||
X95820WV14IZ-2.7 Active Samples Available
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|
TSSOP | Tube | 1 | 4.039 | Get Samples, |
| TSSOP | Reel | 1 | 3.337 |
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