Datasheet ADR420, ADR421, ADR423, ADR425 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Ultraprecision, Low Noise, 5.00 V XFET Voltage Reference |
| Pages / Page | 24 / 4 — ADR420/ADR421/ADR423/ADR425. Data Sheet. SPECIFICATIONS ADR420. … |
| Revision | J |
| File Format / Size | PDF / 463 Kb |
| Document Language | English |
ADR420/ADR421/ADR423/ADR425. Data Sheet. SPECIFICATIONS ADR420. ELECTRICAL SPECIFICATIONS. Table 2. Parameter. Symbol. Conditions
Model Line for this Datasheet
Text Version of Document
link to page 4
ADR420/ADR421/ADR423/ADR425 Data Sheet SPECIFICATIONS ADR420 ELECTRICAL SPECIFICATIONS
VIN = 5.0 V to 15.0 V, TA = 25°C, unless otherwise noted.
Table 2. Parameter Symbol Conditions Min Typ Max Unit
OUTPUT VOLTAGE VOUT A Grade 2.045 2.048 2.051 V B Grade 2.047 2.048 2.049 V INITIAL ACCURACY1 VOUTERR A Grade −3 +3 mV −0.15 +0.15 % B Grade −1 +1 mV −0.05 +0.05 % TEMPERATURE COEFFICIENT TCVOUT −40°C < TA < +125°C A Grade 2 10 ppm°C B Grade 1 3 ppm/°C SUPPLY VOLTAGE HEADROOM VIN − VOUT 2 V LINE REGULATION ∆VOUT/∆VIN VIN = 5 V to 18 V, 10 35 ppm/V −40°C < TA < +125°C LOAD REGULATION ∆VOUT/∆IL IL = 0 mA to 10 mA, 70 ppm/mA −40°C < TA < +125°C QUIESCENT CURRENT IIN No load 390 500 µA −40°C < TA < +125°C 600 µA VOLTAGE NOISE eN p-p 0.1 Hz to 10 Hz 1.75 µV p-p VOLTAGE NOISE DENSITY eN 1 kHz 60 nV/√Hz TURN-ON SETTLING TIME tR 10 µs LONG-TERM STABILITY ∆VOUT 1000 hours 50 ppm OUTPUT VOLTAGE HYSTERESIS VOUT_HYS 40 ppm RIPPLE REJECTION RATIO RRR fIN = 1 kHz −75 dB SHORT CIRCUIT TO GND ISC 27 mA 1 Initial accuracy does not include shift due to solder heat effect. Rev. J | Page 4 of 24 Document Outline Features Applications Pin Configuration General Description ADR42x Products Revision History Specifications ADR420 Electrical Specifications ADR421 Electrical Specifications ADR423 Electrical Specifications ADR425 Electrical Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Device Power Dissipation Considerations Basic Voltage Reference Connections Noise Performance Turn-On Time Applications Output Adjustment Reference for Converters in Optical Network Control Circuits High Voltage Floating Current Source Kelvin Connections Dual-Polarity References Programmable Current Source Programmable DAC Reference Voltage Precision Voltage Reference for Data Converters Precision Boosted Output Regulator Outline Dimensions Ordering Guide
ADR420/ADR421/ADR423/ADR425 Data Sheet SPECIFICATIONS ADR420 ELECTRICAL SPECIFICATIONS
VIN = 5.0 V to 15.0 V, TA = 25°C, unless otherwise noted.
Table 2. Parameter Symbol Conditions Min Typ Max Unit
OUTPUT VOLTAGE VOUT A Grade 2.045 2.048 2.051 V B Grade 2.047 2.048 2.049 V INITIAL ACCURACY1 VOUTERR A Grade −3 +3 mV −0.15 +0.15 % B Grade −1 +1 mV −0.05 +0.05 % TEMPERATURE COEFFICIENT TCVOUT −40°C < TA < +125°C A Grade 2 10 ppm°C B Grade 1 3 ppm/°C SUPPLY VOLTAGE HEADROOM VIN − VOUT 2 V LINE REGULATION ∆VOUT/∆VIN VIN = 5 V to 18 V, 10 35 ppm/V −40°C < TA < +125°C LOAD REGULATION ∆VOUT/∆IL IL = 0 mA to 10 mA, 70 ppm/mA −40°C < TA < +125°C QUIESCENT CURRENT IIN No load 390 500 µA −40°C < TA < +125°C 600 µA VOLTAGE NOISE eN p-p 0.1 Hz to 10 Hz 1.75 µV p-p VOLTAGE NOISE DENSITY eN 1 kHz 60 nV/√Hz TURN-ON SETTLING TIME tR 10 µs LONG-TERM STABILITY ∆VOUT 1000 hours 50 ppm OUTPUT VOLTAGE HYSTERESIS VOUT_HYS 40 ppm RIPPLE REJECTION RATIO RRR fIN = 1 kHz −75 dB SHORT CIRCUIT TO GND ISC 27 mA 1 Initial accuracy does not include shift due to solder heat effect. Rev. J | Page 4 of 24 Document Outline Features Applications Pin Configuration General Description ADR42x Products Revision History Specifications ADR420 Electrical Specifications ADR421 Electrical Specifications ADR423 Electrical Specifications ADR425 Electrical Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Device Power Dissipation Considerations Basic Voltage Reference Connections Noise Performance Turn-On Time Applications Output Adjustment Reference for Converters in Optical Network Control Circuits High Voltage Floating Current Source Kelvin Connections Dual-Polarity References Programmable Current Source Programmable DAC Reference Voltage Precision Voltage Reference for Data Converters Precision Boosted Output Regulator Outline Dimensions Ordering Guide
