AD1582BRT-REEL7 ,2.5 V to 5.0 V Micropower, Precision Series Mode Voltage ReferencesSPECIFICATIONS A MIN MAX IN AD1583A AD1583B AD1583CParameter Min Typ Max Min Typ Max Min Typ Max ..
AD1582BRTZ-REEL7 , 2.5 V to 5.0 V Micropower, Precision Series Mode Voltage References
AD1582CRT-REEL7 ,2.5 V to 5.0 V Micropower, Precision Series Mode Voltage ReferencesFEATURES3-Lead SOT-23Series Reference (2.5 V, 3 V, 4.096 V, 5 V)(RT Suffix)Low Quiescent Current: 7 ..
AD1582CRT-REEL7 ,2.5 V to 5.0 V Micropower, Precision Series Mode Voltage ReferencesAPPLICATIONSB 0.08% 0.10% 0.10% 501. Portable, battery-powered equipment, e.g., notebook comput-C 0 ..
AD1583ART-R2 ,2.5 V to 5.0 V Micropower, Precision Series Mode Voltage ReferencesSPECIFICATIONS(@ T = T to T , V = 5 V, unless otherwise noted.)A MIN MAX IN AD1582A AD1582B AD15 ..
AD1583ART-R2 ,2.5 V to 5.0 V Micropower, Precision Series Mode Voltage ReferencesSpecifications subject to change without notice.REV. D–2–AD1582/AD1583/AD1584/AD1585(@ T = T to T , ..
AD8220ARMZ , JFET Input Instrumentation Amplifier with Rail-to-Rail Output in MSOP Package
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AD8221AR ,Precision Instrumentation Amplifier with High CMRR Over FrequencyFEATURES Available in space-saving MSOP package 1–IN 8 +VSGain set with 1 external resistor (gain r ..
AD8221ARM ,Precision Instrumentation Amplifier with High CMRR Over FrequencyAPPLICATIONS 60Weigh scales COMPETITOR 2Industrial process controls 50Bridge amplifiers 40Precision ..
AD8221ARM-REEL7 ,Precision Instrumentation Amplifier with High CMRR Over FrequencySpecifications.... 3 Input Protection . 15 Absolute Maximum Ratings...... 5 RF Interference ... 16 ..
AD8221ARMZ ,Precision Instrumentation Amplifier with High CMRR Over FrequencyFEATURES Available in space-saving MSOP package 1–IN 8 +VSGain set with 1 external resistor (gain r ..
AD1582ART-REEL7-AD1584ART-REEL7-AD1585ART-REEL7
2.5V Micropower, Precisions Series Mode Voltage References
REV.D
2.5 V to 5.0 V Micropower, Precision
Series Mode Voltage References
FUNCTIONAL BLOCK DIAGRAM
3-Lead SOT-23
(RT Suffix)
FEATURES
Series Reference (2.5 V, 3 V, 4.096 V, 5 V)
Low Quiescent Current: 70 �A max
Current Output Capability: �5 mA
Wide Supply Range: VIN = VOUT + 200 mV to 12 V
Wideband Noise (10 Hz to 10 kHz): 50 �V rms
Specified Temperature Range: –40�C to +125�C
Compact, Surface-Mount SOT-23 Package
TARGET APPLICATIONSPortable, battery-powered equipment, e.g., notebook comput-
ers, cellular phones, pagers, PDAs, GPSs, and DMMs.Computer workstations. Suitable for use with a wide range of
video RAMDACs.Smart industrial transmittersPCMCIA cardsAutomotiveHard disk drives3 V/5 V, 8-bit/12-bit data converters
Figure 1.Supply Current (µA) vs. Supply Voltage (V)
AD158x Products, Three Electrical Grades
GENERAL DESCRIPTIONThe AD1582, AD1583, AD1584, and AD1585 are a family of low
cost, low power, low dropout, precision band gap references.
These designs are available as three-terminal (series) devices
and are packaged in the compact SOT-23, 3-lead surface-mount
package. The versatility of these references makes them ideal for
use in battery-powered 3 V or 5 V systems where there may be
wide variations in supply voltage and a need to minimize power
dissipation.
The superior accuracy and temperature stability of the AD1582/
AD1583/AD1584/AD1585 is made possible by the precise
matching and thermal tracking of on-chip components. Patented
temperature drift curvature correction design techniques minimize
the nonlinearities in the voltage output temperature characteristic.
These series mode devices (AD1582/AD1583/AD1584/AD1585)
source or sink up to 5 mA of load current and operate efficiently
with only 200 mV of required headroom supply. This family
draws a maximum 70 µA of quiescent current with only a 1.0 µA/V
variation with supply voltage. The advantage of these designs
over conventional shunt devices is extraordinary. Valuable supply
current is no longer wasted through an input series resistor, and
maximum power efficiency is achieved at all input voltage levels.
The AD1582, AD1583, AD1584, and AD1585 are available in
three grades, A, B, and C, and are provided in a tiny footprint,
the SOT-23. All grades are specified over the industrial tem-
perature range of –40°C to +125°C.
AD1582/AD1583/AD1584/AD1585
AD1582–SPECIFICATIONSSpecifications subject to change without notice.
(@ TA = TMIN to TMAX, VIN = 5 V, unless otherwise noted.)
AD1582/AD1583/AD1584/AD1585
AD1583–SPECIFICATIONSINITIAL ACCURACY ERROR (@ 25°C)
LOAD REGULATION
Specifications subject to change without notice.
(@ TA = TMIN to TMAX, VIN = 5 V, unless otherwise noted.)
AD1582/AD1583/AD1584/AD1585
AD1584–SPECIFICATIONSSpecifications subject to change without notice.
(@ TA = TMIN to TMAX, VIN = 5 V, unless otherwise noted.)
AD1582/AD1583/AD1584/AD1585
AD1585–SPECIFICATIONSINITIAL ACCURACY ERROR (@ 25°C)
LOAD REGULATION
Specifications subject to change without notice.
(@ TA = TMIN to TMAX, VIN = 6 V, unless otherwise noted.)
AD1582/AD1583/AD1584/AD1585
ABSOLUTE MAXIMUM RATINGS1VIN to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 V
Internal Power Dissipation2
SOT-23 (RT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 mW
Storage Temperature Range . . . . . . . . . . . . –65°C to +125°C
Specified Temperature Range
AD1582RT/AD1583RT/,
AD1584RT/AD1585RT . . . . . . . . . . . . . –40°C to +125°C
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . 215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
NOTES
1Stresses 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 indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Specification is for device in free air at 25°C: SOT-23 package: θJA = 300°C/W.
CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD1582/AD1583/AD1584/AD1585 feature 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.
PACKAGE BRANDING INFORMATIONFour fields identify the device:First field, product identifier, for example, a “2/3/4/5” identifies
the generic as AD1582/AD1583/AD1584/AD1585Second field, device grade, which can be “A,” “B,” or “C”Third field, calendar year of processing, “7” for 1997...,
“A” for 2001...Fourth field, two-week window within the calendar year, for
example, letters A–Z to represent a two-week window starting
with “A” for the first two weeks of January.
ORDERING GUIDE
PARAMETER DEFINITIONS
Temperature Coefficient (TCVO)The change of output voltage over the operating temperature
change and normalized by the output voltage at 25�C, expressed
in ppm/�C. The equation follows:
where:
VO(25�C) = VO at 25�C
VO(T1) = VO at temperature 1
VO(T2) = VO at temperature 2
Line Regulation (∆VO/∆VIN)The change in output voltage due to a specified change in input
voltage. It includes the effects of self-heating. Line regulation is
expressed in either percent per volt, parts per million per volt, or
microvolts per volt change in input voltage.
Load Regulation (∆VO/∆ILOAD)The change in output voltage due to a specified change in load
current. It includes the effects of self-heating. Load regulation is
expressed in either microvolts per milliampere, parts per million
per milliampere, or Ω of dc output resistance.
Long-Term Stability (∆VO)Typical shift of output voltage at 25�C on a sample of parts
subjected to an operation life test of 1000 hours at 125�C:
where:
VO(t0) = VO at 25�C at time 0
VO(t1) = VO at 25�C after 1000 hours operation at 125�C
Thermal Hysteresis (VO_HYS)The change of output voltage after the device is cycled through
temperatures from +25�C to –40�C to +85°C and back to +25�C.
This is a typical value from a sample of parts put through such
a cycle:where:
VO(25�C) = VO at 25�C
VO_TC = VO at 25�C after temperature cycle at +25�C to
–40�C to +85�C and back to +25�C
Operating TemperatureThe temperature extremes at which the device can still function.
Parts may deviate from their specified performance outside the
specified temperature range.
AD1582/AD1583/AD1584/AD1585
–Typical Performance CharacteristicsTPC 1.Typical Output Voltage Temperature Drift
Distribution
TPC 2.Typical Output Voltage Error Distribution
TPC 3.Typical Temperature Drift Characteristic Curves
TPC 4.Load Regulation vs. VIN
IOUT (mA)
V/V
–10TPC 5.Line Regulation vs. ILOAD
TPC 6.Noise Spectral Density
