ADR510 Analog Devices, ADR510 Datasheet

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ADR510

Manufacturer Part Number
ADR510
Description
1.0 V Precision Low Noise Shunt Voltage Reference
Manufacturer
Analog Devices
Datasheet

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GENERAL DESCRIPTION
Designed for space critical applications, the ADR510 is a low
voltage (1.000 V), precision shunt-mode voltage reference in the
ultracompact (3 mm
features low temperature drift (70 ppm/ C), high accuracy
( 0.35%), and ultralow noise (4 V p-p) performance.
The ADR510’s advanced design eliminates the need for an
external capacitor, yet it is stable with any capacitive load. The
minimum operating current increases from a scant 100 A to a
maximum of 10 mA. This low operating current and ease of
use make the ADR510 ideally suited for hand-held battery-
powered applications.
REV. 0
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
FEATURES
Precision 1.000 V Voltage Reference
Ultracompact 3 mm
No External Capacitor Required
Low Output Noise: 4 V p-p (0.1 Hz to 10 Hz)
Initial Accuracy:
Temperature Coefficient: 70 ppm/ C Max
Operating Current Range: 100 A to 10 mA
Output Impedance: 0.3
Temperature Range: –40 C to +85 C
APPLICATIONS
Precision Data Acquisition Systems
Battery-Powered Equipment:
3 V/5 V, 8-/12-Bit Data Converters
Portable Medical Instruments
Industrial Process Control Systems
Precision Instruments
Cellular Phone, Notebook Computer, PDA,
and GPS
0.35% Max
3 mm) SOT-23 package. The ADR510
3 mm SOT-23 Package
Max
ADR510
Figure 1. Typical Operating Circuit
I
L
+ I
Q
V
R
S
BIAS
I
Q
I
L
Model
ADR510ART-REEL7 1.000
A TRIM terminal is available on the ADR510 to provide adjust-
ment of the output voltage over 0.5% without affecting the
temperature coefficient of the device. This feature provides
users with the flexibility to trim out any system errors.
C
(OPTIONAL)
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
OUT
V
OUT
R
= 1.0V
BIAS
=
1.0 V Precision Low Noise
V
Shunt Voltage Reference
S
I
L
– V
+ I
OUT
Q
PIN CONFIGURATION
V
V
© 2003 Analog Devices, Inc. All rights reserved.
+
1
2
3-Lead SOT-23
Output
Voltage Accuracy
(V
ADR510
O
ADR510
)
Initial
(mV)
3.5
3
TRIM/NC
(%)
0.35 70
ADR510
www.analog.com
Temperature
Coefficient
(ppm/ C)

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ADR510 Summary of contents

Page 1

... Model ADR510ART-REEL7 1.000 A TRIM terminal is available on the ADR510 to provide adjust- ment of the output voltage over 0.5% without affecting the temperature coefficient of the device. This feature provides users with the flexibility to trim out any system errors. ...

Page 2

... 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 ADR510 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 ...

Page 3

... TEMPERATURE ( C) TPC 1. Typical V vs. Temperature OUT TIME (400ns/DIV) TPC 2. Turn-On Time TIME (400 s/DIV) TPC 3. Turn-On Time with 1 µ F Input Capacitor REV. 0 Typical Performance Characteristics–ADR510 5V/DIV 500 V/DIV OUT TPC 5. Turn-Off Time with 1 µ F Input Capacitor ...

Page 4

... R • R BIAS rent to the ADR510 even when the supply voltage is at its minimum and the load current is at its maximum value. • R BIAS exceed 10 mA when the supply voltage is at its maximum and the load current is at its minimum. ...

Page 5

... Figure 2. Adjustable Precision Voltage Source Output Voltage Trim Using a mechanical or digital potentiometer, the output voltage of the ADR510 can be trimmed ± 0.5%. The circuit in Figure 3 illustrates how the output voltage can be trimmed, using a 10 kΩ potentiometer. Note that trimming using other resistor values may not produce an accurate output from the ADR510 ...

Page 6

... ADR510 OUTLINE DIMENSIONS 3-Lead Small Outline Transistor Package [SOT-23] (RT-3) Dimensions shown in millimeters 3.04 2.90 2.80 1.40 1.30 1.20 3 2.64 2. PIN 1 0.95 BSC 1.90 BSC 1.12 0.89 0.10 0.01 0.60 0.50 0.50 0.30 0.40 SEATING PLANE COMPLIANT TO JEDEC STANDARDS TO-236AB –6– 0.20 0.08 REV. 0 ...

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