Analog Devices ADR431 - Ultralow Noise XFET® Voltage Reference with Current Sink and Source Capability (Operating Range: 4.5 V to 18 V)

Data Sheets

Rev D, 12/2007 (pdf, 1891K)	Email PDF
Lead(Pb) - Free Data	(Data Sheet Help)

Application Notes pdf(58k)

Evaluation Boards

Price, Packaging, and Availability

	Product Description
	The ADR43x series is a family of XFET® voltage references featuring low noise, high accuracy, and low temperature drift performance. Using Analog Devices, Inc., patented temperature drift curvature ...More

Specifications

Vout	2.5
Initial Accuracy (%)	0.04
Ref Out TC (ppm/C)	1ppm/C
Supply Voltage Range (V)	+4.5 to +18
Supply Current (max)	800µA
Ref Output Current (mA)	30mA
0.1-10 Hz Noise (µV p-p)	3.5µV p-p
Temp Range(s)	-40 to +125
Package	MSOP, SOIC
Reference Type	Series
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Features

Low noise (0.1 Hz to 10.0 Hz): 3.5 μV p-p @ 2.5 V output
No external capacitor required
Low temperature coefficient
A Grade: 10 ppm/°C maximum
B Grade: 3 ppm/°C maximum
Load regulation: 15 ppm/mA
Line regulation: 20 ppm/V
Wide operating range
ADR430: 4.1 V to 18 V
ADR431: 4.5 V to 18 V
ADR433: 5.0 V to 18 V
ADR434: 6.1 V to 18 V
ADR435: 7.0 V to 18 V
ADR439: 6.5 V to 18 V

High output source and sink current: +30 mA and −20 mA
Wide temperature range: −40°C to +125°C

Price, Packaging, and Availability

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ADR431 Model Options

Model	Status	Package	Pins	Temp Range	Price* (1000 pcs.)	Available	RoHS Compliant	Samples Cart	Purchase Cart
ADR431AR	Prodn	8 ld SOIC	8	Ind	$3.09	9/12/2008	N Material Declaration	Contact ADI	Add to Cart
ADR431AR-REEL7	Prodn	8 ld SOIC	8	Ind	$3.09	-	N Material Declaration	Contact ADI	Add to Cart
ADR431ARM	Prodn	8 ld MSOP	8	Ind	$3.09	9/12/2008	N Material Declaration	Contact ADI	Add to Cart
ADR431ARM-REEL7	Prodn	8 ld MSOP	8	Ind	$3.09	-	N Material Declaration	Contact ADI	Add to Cart
ADR431ARMZ	Prodn	8 ld MSOP	8	Ind	$2.96	9/12/2008	Y Material Declaration	Contact ADI	Add to Cart
ADR431ARMZ-REEL7	Prodn	8 ld MSOP	8	Ind	$2.96	9/12/2008	Y Material Declaration	Contact ADI	Add to Cart
ADR431ARZ	Prodn	8 ld SOIC	8	Ind	$2.96	9/12/2008	Y Material Declaration	Contact ADI	Add to Cart
ADR431ARZ-REEL7	Prodn	8 ld SOIC	8	Ind	$2.96	10/24/2008	Y Material Declaration	Contact ADI	Add to Cart
ADR431BR	Prodn	8 ld SOIC	8	Ind	$4.61	9/12/2008	N Material Declaration	Contact ADI	Add to Cart
ADR431BR-REEL7	Prodn	8 ld SOIC	8	Ind	$4.61	-	N Material Declaration	Contact ADI	Add to Cart
ADR431BRZ	Prodn	8 ld SOIC	8	Ind	$4.41	9/12/2008	Y Material Declaration	Contact ADI	Add to Cart
ADR431BRZ-REEL7	Prodn	8 ld SOIC	8	Ind	$4.41	9/12/2008	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.

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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)

ADR431 Ultralow Noise XFET® Voltage Reference with Current Sink and Source Capability (Operating Range: 4.5 V to 18 V)