ADR421ARMZ-REEL7 Large Scale Integrated Circuit Chip Electroics IC Ultraprecision
electronics ic chip
,integrated circuit ic
ADR421 Large Scale Integrated Circuit Chip Electroics IC Ultraprecision
ADR421A Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References
FEATURES
Low Noise (0.1 Hz to 10 Hz)
ADR420: 1.75 V p-p ADR421: 1.75 V p-p
ADR423: 2.0 V p-p ADR425: 3.4 V p-p
Low Temperature Coefficient: 3 ppm/C
Long-Term Stability: 50 ppm/1000 Hours
Load Regulation: 70 ppm/mA
Line Regulation: 35 ppm/V
Low Hysteresis: 40 ppm Typical
Wide Operating Range
ADR420: 4 V to 18 V ADR421: 4.5 V to 18 V
ADR423: 5 V to 18 V ADR425: 7 V to 18 V
Quiescent Current: 0.5 mA
Maximum High Output Current: 10 mA
Wide Temperature Range: –40C to +125C
APPLICATIONS
Precision Data Acquisition Systems High-Resolution Converters Battery-Powered Instrumentation Portable Medical Instruments Industrial Process Control Systems Precision Instruments Optical Network Control Circuits G
|
ADR420 Products |
Output Voltage |
Initial Accuracy mV % |
Tempco ppm/°C |
|
ADR420 ADR421 2.50 1, 3 0.04, 0.12 3, 10 ADR423 3.00 1.5, 4 0.04, 0.12 3, 10 ADR425 5.00 2, 6 0.04, 0.12 3, 10 |
2.048 2.50 3.00 5.00 |
1,3 0.05, 0.15 1.3 0.04, 0.12 1.5 0.04, 0.12 2.6 0.04, 0.12 |
3, 10 3, 10 3, 10 3, 10 |
GENERAL DESCRIPTION
The ADR42x series are ultraprecision second-generation XFET voltage references featuring low noise, high accuracy, and excellent long-term stability in a SOIC and Mini_SOIC footprints. Patented temperature drift curvature correction technique and XFET (eXtra implanted junction FET) technology minimize nonlinearity of the voltage change with temperature. The XFET architecture offers superior accuracy and thermal hysteresis to the bandgap references. It also operates at lower power and lower supply headroom than the Buried Zener references. The superb noise, stable, and accurate characteristics of ADR42x make them ideal for precision conversion applications such as optical network and medical equipment. The ADR42x trim terminal can also be used to adjust the output voltage over a ±0.5% range without compromising any other performance. The ADR42x series voltage references offer two electrical grades and are specified over the extended industrial temperature range of –40°C to +125°C. Devices are available in 8-lead SOIC-8 or 30% smaller 8-lead Mini_SOIC-8 packages.
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V
Output Short-Circuit Duration to GND . . .. . . Indefinite Storage Temperature Range
R, RM Packages . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range ADR42x . . . . .. . . . . . . . . . . . . –40°C to +125°C
Junction Temperature Range R, RM Packages . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . 300°C
*Absolute maximum ratings apply at 25°C, unless otherwise noted.
| Package Type | θJA* | Unit |
|
8-Lead Mini_SOIC (RM) 8-Lead SOIC (R) |
190 130 |
°C/W °C/W |
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