ADR1581BRTZ-REEL7 Analog Devices Inc, ADR1581BRTZ-REEL7 Datasheet
ADR1581BRTZ-REEL7
Specifications of ADR1581BRTZ-REEL7
Available stocks
Related parts for ADR1581BRTZ-REEL7
ADR1581BRTZ-REEL7 Summary of contents
Page 1
FEATURES Wide operating range: 60 μ Initial accuracy: ±0.12% maximum Temperature drift: ±50 ppm/°C maximum Output impedance: 0.5 Ω maximum Wideband noise ( kHz): 20 μV rms Operating temperature range: −40°C to +85°C High ...
Page 2
ADR1581 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Pin Configuration............................................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Typical Performance Characteristics ............................................. 5 Theory of Operation ........................................................................ 6 Applying ...
Page 3
SPECIFICATIONS T = 25° 100 μA, unless otherwise noted Table 1. Parameter REVERSE VOLTAGE OUTPUT (SOT-23) REVERSE VOLTAGE TEMPERATURE DRIFT −40°C to +85°C MINIMUM OPERATING CURRENT MIN REVERSE VOLTAGE CHANGE WITH REVERSE CURRENT ...
Page 4
ADR1581 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Reverse Current Forward Current 1 Internal Power Dissipation SOT-23 (RT) Storage Temperature Range Operating Temperature Range ADR1581/RT Lead Temperature, Soldering Vapor Phase (60 sec) Infrared (15 sec) 2 ESD Susceptibility Human Body Model ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS 2000 1500 1000 20ppm/°C 500 0 –500 –1000 –1500 –55 –35 – TEMPERATURE (°C) Figure 4. Output Drift for Different Temperature Characteristics +25°C 0 –1 0.01 0.10 ...
Page 6
ADR1581 THEORY OF OPERATION The ADR1581 uses the band gap concept to produce a stable, low temperature coefficient voltage reference suitable for high accuracy data acquisition components and systems. The device makes use of the underlying physical nature of a ...
Page 7
V ) MAX O SLOPE = TC = 1.2506 (+85°C – +25°C) × 1.250V × 10 1.2504 1.2502 1.2500 V O 1.2498 1.2496 1.2494 1.2492 SLOPE = TC = (–40°C – +25°C) × 1.250V × 10 1.2490 ...
Page 8
ADR1581 OUTPUT IMPEDANCE VS. FREQUENCY Understanding the effect of the reverse dynamic output impedance in a practical application is important to successfully applying the ADR1581. A voltage divider is formed by the ADR1581 output impedance and the external source impedance. ...
Page 9
Output turn-on time is modified when an external noise-reduction filter is used. When present, the time constant of the filter dom- inates the overall settling. 2. OUTPUT ERROR 1mV/DIV, 2µs/DIV OUTPUT 0.5mV/DIV, 2ms/DIV Figure 20. Turn-On Settling ...
Page 10
ADR1581 USING THE ADR1581 WITH 3 V DATA CONVERTERS The ADR1581 low output drift (50 ppm/°C) and compact subminiature SOT-23 package make it ideally suited for today’s high performance converters in space-critical applications. One family of ADCs for which the ...
Page 11
OUTLINE DIMENSIONS 4.10 4.00 1.55 3.90 1.10 2.05 1.50 1.00 2.00 1.45 0.90 1.95 8.30 8.00 7.70 3.20 1.00 MIN 3.10 2.90 DIRECTION OF UNREELING 3.04 2.90 2.80 1.40 1.30 1.20 3 2.64 2. PIN 1 0.95 BSC ...
Page 12
... Range 1 ADR1581ARTZ-REEL7 −40°C to +85°C 1 ADR1581ARTZ-R2 −40°C to +85°C 1 ADR1581BRTZ-REEL7 −40°C to +85°C 1 ADR1581BRTZ-R2 −40°C to +85° RoHS Compliant Part. ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ...