Data Sheets   Rev E, 12/2007 (pdf, 478K) Email PDF      Lead(Pb) - Free Data (Data Sheet Help)     Application Notes pdf(58k) Evaluation Boards Price, Packaging, and Availability

	Product Description
	The ADR291 and ADR292 are low noise, micropower precision voltage references that use an XFET® reference circuit. The new XFET architecture offers significant performance improvements over...More

Specifications Vout 2.5 Initial Accuracy (%) 0.08 Ref Out TC (ppm/C) 3ppm/C Supply Voltage Range (V) +3 to +15 Supply Current (max) 12µA Ref Output Current (mA) 5mA 0.1-10 Hz Noise (µV p-p) 8µV p-p Temp Range(s) -40 to +125 Package SOIC, TSSOP Reference Type Series-Low Dropout Find Similar Products

Pin Configuration Enlarge Symbols and Footprints  Other Diagrams: Pin Out Diagram 8-Lead SOIC 8-Lead TSSOP 3-Lead TO-92 | Typical Connection Diagram Circuit Diagram #1 Circuit Diagram #2 Circuit Diagram #3 Circuit Diagram #4 Circuit Diagram #5 Circuit Diagram #6 Circuit Diagram #7

Features Supply range 2.8 V to 15 V, ADR291 4.4 V to 15 V, ADR292 Supply current: 15 μA maximum Low noise: 8 μV and 12 μV p-p (0.1 Hz to 10 Hz) High output current: 5 mA Temperature range: −40°C to +125°C Pin-compatible with REF02/REF191

 

 

Price, Packaging, and Availability Print Table ADR291 Model Options Model Status Package Pins Temp Range Price* (100-499) Available RoHS Compliant Samples Cart Purchase Cart ADR291ER Prodn 8 ld SOIC 8 Ind $6.41 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291ER-REEL7 Prodn 8 ld SOIC 8 Ind - - N Material Declaration Contact ADI Add to Cart ADR291ERZ Prodn 8 ld SOIC 8 Ind $6.08 8/29/2008 Y Material Declaration Contact ADI Add to Cart ADR291ERZ-REEL7 Prodn 8 ld SOIC 8 Ind - 10/31/2008 Y Material Declaration Contact ADI Add to Cart ADR291FR Prodn 8 ld SOIC 8 Ind $3.01 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291FR-REEL Prodn 8 ld SOIC 8 Ind - 10/31/2008 N Material Declaration Contact ADI Add to Cart ADR291FR-REEL7 Prodn 8 ld SOIC 8 Ind - 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291FRZ Prodn 8 ld SOIC 8 Ind $2.85 8/29/2008 Y Material Declaration Contact ADI Add to Cart ADR291FRZ-REEL Prodn 8 ld SOIC 8 Ind - 10/24/2008 Y Material Declaration Contact ADI Add to Cart ADR291FRZ-REEL7 Prodn 8 ld SOIC 8 Ind - 10/31/2008 Y Material Declaration Contact ADI Add to Cart ADR291GR Prodn 8 ld SOIC 8 Ind $2.00 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291GR-REEL Prodn 8 ld SOIC 8 Ind - 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291GR-REEL7 Prodn 8 ld SOIC 8 Ind - 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291GRU Prodn 8 ld TSSOP 8 Ind $2.64 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291GRU-REEL7 Prodn 8 ld TSSOP 8 Ind - 10/10/2008 N Material Declaration Contact ADI Add to Cart ADR291GRUZ Prodn 8 ld TSSOP 8 Ind $2.52 10/10/2008 Y Material Declaration Contact ADI Add to Cart ADR291GRUZ-REEL Prodn 8 ld TSSOP 8 Ind - - Y Material Declaration Contact ADI Add to Cart ADR291GRUZ-REEL7 Prodn 8 ld TSSOP 8 Ind - 10/3/2008 Y Material Declaration Contact ADI Add to Cart ADR291GRZ Prodn 8 ld SOIC 8 Ind $2.00 9/26/2008 Y Material Declaration Contact ADI Add to Cart ADR291GRZ-REEL Prodn 8 ld SOIC 8 Ind - 10/24/2008 Y Material Declaration Contact ADI Add to Cart ADR291GRZ-REEL7 Prodn 8 ld SOIC 8 Ind - 9/26/2008 Y Material Declaration Contact ADI Add to Cart ADR291GT9 Prodn 3 ld TO-92 3 Ind $2.58 8/29/2008 N Material Declaration Contact ADI Add to Cart ADR291GT9Z Prodn 3 ld TO-92 3 Ind $2.45 8/29/2008 Y Material Declaration Contact ADI Add to Cart The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. View Sales and Distribution Offices

 

Suggested Complementary Products OP295: Dual Rail-to-Rail Operational Amplifier OP90: Precision, Low Voltage Micropower Operational Amplifier Signal Chains Visit our interactive signal chains for more complementary products

 

Find Similar Products     Part# Vout Initial Accuracy (%) Ref Out TC (ppm/C) 0.1-10 Hz Noise (µV p-p) Ref Output Current (mA) Supply Voltage Range (V) Temp Range(s) Supply Current (max) Package Price* (1000 pcs.) ADR821 2.5 0.2 15 16 5 +2.8V to +15V -40 to +125 400µA MSOP $1.11 AD680 2.5 0.2 20 8 10 +4.5 to +36 -40 to +85; 0 to +70 250µA DIP; SOIC; TO-92 $1.76 ADR525 2.5 0.2 40 18 n/a n/a, shunt reference -40 to +85 50µA SC70; SOT23 $0.48 REF03 2.5 0.2 10 6 20 +4.5 to +33 -40 to +85 1.4mA DIP; SOIC $1.21 ADR381 2.5 0.24 3 5 5 +2.8 to +18 -40 to +85 120µA SOT23 $0.76 AD580 2.5 0.4 10 8 10 +4.5 to +30 -55 to +125; 0 to +70 1.5mA TO-52 $2.67 AD780 2.5 0.04 3 4 10 +4 to +36 -40 to +85 1mA DIP; SOIC $3.65 ADR431 2.5 0.04 1 3.5 30 +4.5 to +18 -40 to +125 800µA MSOP; SOIC $2.96 AD1582 2.5 0.08 50 70 5 +2.7 to +12 -40 to +125 70µA SOT23 $0.61 REF192 2.5 0.08 2 25 30 +2.6 to +15 -40 to +85 45µA DIP; SOIC; TSSOP $1.38 ADR03 2.5 0.1 3 10 10 +4.5 to +40 -40 to +125 1mA SC70; SOIC; TSOT $1.03 ADR361 2.5 0.12 9 8.25 5 +2.8 to +15 -40 to +125 190µA TSOT $0.78 REF43 2.5 0.02 25 4 20 +4.5 to +40 -40 to +85 450µA DIP; SOIC $3.69 ADR421 2.5 0.04 1 1.75 10 +4.5 to +18 -40 to +125 500µA MSOP; SOIC $2.82 ADR5041 2.5 0.1 10 - n/a n/a, shunt ref -40 to +125 n/a SC70; SOT23 $0.30 ADR391 2.5 0.16 9 5 5 +2.8 to +18 -40 to +125 120µA TSOT $0.78 ADR441 2.5 0.04 1 1.2 10 +3 to +18 -40 to +125 3.75mA DIP; MSOP; SOIC $2.53 ADR121 2.5 0.12 3 10 5 +2.8 to +18 -40 to +125 125µA TSOT $0.92 ADR291 2.5 0.08 3 8 5 +3 to +15 -40 to +125 12µA SOIC; TSSOP $1.78 * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information. Sorted by Reference Output Voltage (Ascending) and Accuracy (Ascending)