Analog Devices ADR293GRU-REEL7, ADR293GR-REEL7, ADR293GR-REEL, ADR293GR, ADR293FR-REEL7 Datasheet

Low Noise Micropower

a

5.0 V, Precision Voltage Reference

FEATURES

6.0 V to 15 V Supply Range
Supply Current 15 A Max
Low Noise 15 V p–p Typ (0.1 Hz to 10 Hz)
High Output Current 5 mA
Temperature Range 40C to 125C
Pin Compatible with REF02/REF19x

APPLICATIONS
Portable Instrumentation
Precision Reference for 5 V Systems
A/D and D/A Converter Reference
Solar Powered Applications
Loop-Current Powered Instruments

GENERAL DESCRIPTION

The ADR293 is a low noise, micropower precision voltage

®

reference that utilizes an XFET
FET)

reference circuit. The new XFET architecture offers sig-

(eXtra implanted junction

nificant performance improvements over traditional bandgap
and buried Zener-based references. Improvements include: one
quarter the voltage noise output of bandgap references operating
at the same current, very low and ultralinear temperature drift,
low thermal hysteresis and excellent long-term stability.

The ADR293 is a series voltage reference providing stable and
accurate output voltage from a 6.0 V supply. Quiescent current
is only 15 µA max, making this device ideal for battery powered
instrumentation. Three electrical grades are available offering
initial output accuracy of ±3 mV, ±6 mV, and ± 10 mV. Tem­perature coefficients for the three grades are 8 ppm/°C, 15 ppm/°C
and 25 ppm/°C max. Line regulation and load regulation are
typically 30 ppm/V and 30 ppm/mA, maintaining the reference’s
overall high performance.

The ADR293 is specified over the extended industrial tempera­ture range of –40°C to +125°C. This device is available in the
8-lead SOIC and 8-lead TSSOP packages.

ADR293

PIN CONFIGURATIONS

8-Lead Narrow Body SO

(R Suffix)

18

NC NC

ADR293

V

2

IN

TOP VIEW

(Not to Scale)

3

NC

GND

4

NC = NO CONNECT

8-Lead TSSOP

(RU Suffix)

18

NC NC

ADR293

V

2

IN

TOP VIEW

(Not to Scale)

3

NC

GND

4

NC = NO CONNECT

ADR29x Products

Output Initial Temperature
Voltage Accuracy Coefficient

Device (V) (%) (ppm/C) Max

ADR290 2.048 (See ADR290/ADR291/ADR292
ADR291 2.500 Data Sheet)
ADR292 4.096

ADR293 5.000 0.06, 0.12, 0.20 8, 15, 25

8

7

NC

7

V

6

6

OUT

5

5

NC

8

7

NC

7

V

6

6

OUT

5

5

NC

XFET is a registered trademark of Analog Devices, Inc.

REV. A

Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: [phone] World Wide Web Site: http://www.analog.com
Fax: [phone] © Analog Devices, Inc., 2001

ADR293–SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

(VS = 6.0 V, TA = 25C unless otherwise noted.)

Parameter Symbol Conditions Min Typ Max Unit

INITIAL ACCURACY

Output Voltage V

O

I

OUT

= 0 mA

“E” Grade 4.997 5.000 5.003 V

–3 +3 mV

0.06 %

“F” Grade 4.994 5.000 5.006 V

–6 +6 mV

0.12 %

“G” Grade 4.990 5.000 5.010 V

–10 +10 mV

0.20 %

LINE REGULATION

“E/F” Grades ∆V

O

/∆V

IN

6.0 V to 15 V, I

= 0 mA 30 100 ppm/V

OUT

“G” Grade 40 150 ppm/V

LOAD REGULATION

“E/F” Grades ∆V

/∆I

O

LOAD

VS = 6.0 V, 0 mA to 5 mA 30 100 ppm/mA

“G” Grade 40 150 ppm/mA

LONG-TERM STABILITY ∆V

NOISE VOLTAGE e

WIDEBAND NOISE DENSITY e

N

N

ELECTRICAL SPECIFICATIONS

O

(VS = 6.0 V, TA = –25C ≤ TA ≤ 85C unless otherwise noted.)

After 1000 hrs of Operation @ 125°C 50 ppm

0.1 Hz to 10 Hz 15 µV p-p
at 1 kHz 640 nV/√Hz

Parameter Symbol Conditions Min Typ Max Unit

TEMPERATURE COEFFICIENT

“E” Grade TCV

O

I

= 0 mA 3 8 ppm/°C

OUT

“F” Grade 5 15 ppm/°C
“G” Grade 10 25 ppm/°C

LINE REGULATION

“E/F” Grades ∆V

O

/∆V

IN

6.0 V to 15 V, I

= 0 mA 35 150 ppm/V

OUT

“G” Grade 50 200 ppm/V

LOAD REGULATION

“E/F” Grades ∆V

/∆I

O

LOAD

VS = 6.0 V, 0 mA to 5 mA 20 150 ppm/mA

“G” Grade 30 200 ppm/mA

(V

= 6.0 V, TA = –40C ≤ TA ≤ 125C unless otherwise noted.)

ELECTRICAL SPECIFICATIONS

S

Parameter Symbol Conditions Min Typ Max Unit

TEMPERATURE COEFFICIENT

“E” Grade TCV

O

I

= 0 mA 3 10 ppm/°C

OUT

“F” Grade 5 20 ppm/°C
“G” Grade 10 30 ppm/°C

LINE REGULATION

“E/F” Grades ∆V

O

/∆V

IN

6.0 V to 15 V, I

= 0 mA 40 200 ppm/V

OUT

“G” Grade 70 250 ppm/V

LOAD REGULATION

“E/F” Grades ∆V

/∆I

O

LOAD

VS = 6.0 V, 0 mA to 5 mA 20 200 ppm/mA

“G” Grade 30 300 ppm/mA

SUPPLY CURRENT I

S

@ 25°C1115µA

15 20 µA

THERMAL HYSTERESIS V

O–HYS

SO-8 72 ppm
TSSOP-8 157 ppm

Specifications subject to change without notice.

–2–

REV. A

ADR293

WARNING!

ESD SENSITIVE DEVICE

ABSOLUTE MAXIMUM RATINGS

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 V

Output Short-Circuit Duration to GND . . . . . . . . . . Indefinite

Storage Temperature Range

SO, RU Package . . . . . . . . . . . . . . . . . . . ⫺65°C to 150°C

Operating Temperature Range . . . . . . . . . . ⫺40°C to 125°C

1

Package Type JA* 

JC

Unit

8-Lead SOIC (SO) 158 43 °C/W
8-Lead TSSOP (RU) 240 43 °C/W

*θJA is specified for worst-case conditions, i.e., θ

socket testing; in practice, θ

is specified for a device soldered in circuit board.

JA

is specified for device in

JA

Junction Temperature Range

SO, RU Package . . . . . . . . . . . . . . . . . . . ⫺65°C to 125°C

Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . . . 300°C

NOTES

1

Stresses above those listed under Absolute Maximum Ratings may cause perma-

nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.

2

Remove power before inserting or removing units from their sockets.

ORDERING GUIDE

Temperature
Output Initial Coefficient Number of
Voltage Accuracy Max Package Package Parts per

Model V % ppm/C Description Option Package

ADR293ER, ADR293ER-REEL7, ADR293ER-REEL 5.00 0.06 8 SOIC SO-8 98, 1000, 2500
ADR293FR, ADR293FR-REEL7, ADR293FR-REEL 5.00 0.12 15 SOIC SO-8 98, 1000, 2500
ADR293GR, ADR293GR-REEL7, ADR293GR-REEL 5.00 0.20 25 SOIC SO-8 98, 1000, 2500
ADR293GRU-REEL7, ADR293GRU-REEL 5.00 0.20 25 TSSOP RU-8 1000, 2500

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the ADR293 features proprietary ESD protection circuitry, permanent damage may occur on
devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are
recommended to avoid performance degradation or loss of functionality.

REV. A

–3–