ADR1001
RECOMMENDED FOR NEW DESIGNSOven-Controlled, Buried Zener, Precision Voltage Reference
- Part Models
- 1
- 1ku List Price
- Starting From $66.34
Part Details
- LTZ1000-class, ultrastable, 6.6 V, buried Zener reference
- On-chip, thermally regulated, matched resistor-dividers
- Precision 5 V output ±0.25% (RISET = 102 Ω, TJ = 70°C)
- 5 V output noise (0.1 Hz to 10 Hz): 0.13 ppm p-p
- Zener, thermal loop op amps, and buffer provided on chip
- Input voltage range: 9 V to 36 V
- Hermetic, surface-mount package, 20-terminal LCC
- Ovenization ensures ultra-low temperature drift
The ADR1001 is a fully integrated, ultra-low drift, buried Zener precision voltage reference solution in a single chip. By integrating the entire signal conditioning circuitry required by the LTZ1000 into a single chip, the ADR1001 provides a significant reduction in overall solution area, while simplifying the design process by eliminating the many challenges of building a discrete circuit solution.
The on-chip heater, combined with Analog Devices buried Zener technology, allows the ADR1001 to achieve sub-ppm temperature coefficient performance and single-digit ppm long-term drift performance. Besides providing best-in-class precision in all vectors, the ADR1001 incorporates ease-of-use features to reduce cost and design-in effort. These features include a pin-programmable internal thermostat, resistor-programmable heater current limit, open-collector power-good flag pin, hermetic surface-mount package, and an extra matched resistor pair. By default, the temperature setpoint is 70°C when no external resistor is connected to the TSET pin, and the internal heater current limit is 100 mA with HTR_ILIM shorted to HTR_GND.
The integrated thin-film resistors and on-chip buffer can be used to provide standard output voltage reference values that are compatible with modern precision converters. The ADR1001 divider network and output buffer combination is trimmed to within ±0.25% initial accuracy. In addition, a pair of matched resistors is also included on-chip, allowing customers to easily generate a negative voltage reference or a gain of 2 with minimal impact to the output accuracy or drift.
The ADR1001 is packaged in a hermetic, ceramic, 20-terminal leadless chip carrier (LCC). The surface-mount ceramic package allows customers to eliminate the through-hole component soldering step while still retaining the hermetic seal of a classic through-hole metal can package.
Documentation
Data Sheet 1
User Guide 1
Technical Articles 2
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 |
|---|---|---|---|
| ADR1001AEZ | 20-Lead LCC |
This is the most up-to-date revision of the Data Sheet.
Tools & Simulations
LTspice 1
Models for the following parts are available in LTspice:
- ADR1001
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
Evaluation Board for the ADR1001 Ultrastable, Buried Zener, Voltage Reference in 20-Terminal LCC