X60250
Micro Power Programmable Voltage Reference
Key Features
- 1.25V 1.0%, 20ppm/°C Tempco Reference
- Adjustable to ±0.25% Over the 0 to 1.25V Range
- 8 bit, 100kΩ XDCP on-chip
- Programmable Resolution of 4.9mV (255 steps)
- Extra Matched 100kΩ Resistor Available for Increased Resolution Over a Smaller Range
- 2.7V to 5.5V Supply Range
- 2-Wire Interface for Programming Reference Setting
- Low Supply Current: 12µA in Normal Mode
- 8-pin TSSOP Package
- Programmable Reference
- NV Memory
- Pb-Free Plus Anneal Available (RoHS Compliant)
Description
The Intersil X60250 combines a temperature compensated voltage reference with a Intersil Digitally Controlled Potentiometer (XDCP) to provide a precision adjustable reference with a range of 0.0V to 1.25V. The device includes a serial bus interface to enable incircuit programming of the reference voltage.
The XDCP contains a resistor chain with 255 taps to provide 8 bits of digital adjustment to the reference voltage. Non-volatile storage retains the digital wiper setting, for permanent reference programming. An additional matched 100kΩ resistor is available to increase resolution of the output voltage while retaining accuracy.
Applications
- Sensor Bias
- Variable DAC reference
- Linear Voltage Regulators
- DC/DC converters
- Voltage comparators
- Motor controllers
- Amplifier biasing
