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ADR391 반도체 회로 부품 판매점

Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown



Analog Devices 로고
Analog Devices
ADR391 데이터시트, 핀배열, 회로
a Precision Low Drift 2.048 V/2.5 V/4.096 V/
5.0 V SOT-23 Reference with Shutdown
ADR390/ADR391/ADR392/ADR395
FEATURES
Initial Accuracy: ؎6 mV Max
Low TCVO: 25 ppm/؇C Max
Load Regulation: 60 ppm/mA
Line Regulation: 25 ppm/V
Low Supply Headroom: 0.3 V
Wide Operating Range: (VOUT + 0.3 V) to 15 V
Low Power: 120 A Max
Shutdown to Less Than 3 A Max
Output Current: 5 mA
Wide Temperature Range:
–40؇C to +85؇C for ADR390, ADR391
–40؇C to +125؇C for ADR392, ADR395
Tiny 5-Lead SOT-23 Package
APPLICATIONS
Battery-Powered Instrumentation
Portable Medical Instruments
Data Acquisition Systems
Industrial Process Control Systems
Fault Protection Critical Systems
Automotive
PIN CONFIGURATION
5-Lead SOT-23
(RT Suffix)
SHDN
VIN
VOUT (SENSE)
1 ADR390/ 5
ADR391/
2 ADR392/
ADR395
3 (Not to Scale) 4
GND
VOUT (FORCE)
Part Number
ADR390
ADR391
ADR392
ADR395
Table I. ADR39x Products
Nominal Output Voltage (V)
2.048
2.500
4.096
5.000
GENERAL DESCRIPTION
The ADR390, ADR391, ADR392, and ADR395 are precision
2.048 V, 2.5 V, 4.096 V, and 5 V band gap voltage references
featuring high accuracy and stability and low power consump-
tion in a tiny footprint. Patented temperature drift curvature
correction techniques minimize nonlinearity of the voltage change
with temperature. The wide operating range and low power
consumption with additional shutdown capability make them
ideal for battery-powered applications. The VOUT Sense Pin
enables greater accuracy by supporting full Kelvin operation in
PCBs employing thin or long traces.
The ADR390, ADR391, ADR392, and ADR395 are micropower,
low dropout voltage (LDV) devices that provide a stable output
voltage from supplies as low as 300 mV above the output voltage.
ADR390 and ADR391 are specified over the industrial range
(–40C to +85C), while ADR392 and ADR395 are specified
over the extended industrial range (–40C to +125C). Each is
available in the tiny 5-lead SOT-23 package.
The combination of VOUT sense and shutdown functions also
enables a number of unique applications combining precision
reference/regulation with fault decision and overcurrent protec-
tion. Details are provided in the Applications section.
REV. C
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002


ADR391 데이터시트, 핀배열, 회로
ADR390/ADR391/ADR392/ADR395
ADR390 SPECIFICATIONS
ELECTRICAL CHARACTERISTICS (@ VS = 5.0 V to 15 V, TA = 25؇C, unless otherwise noted.)
Parameter
Symbol Conditions
Min Typ Max Unit
Initial Accuracy
VO
Initial Accuracy Error
VOERR
Temperature Coefficient
TCVO
Minimum Supply Voltage Headroom VIN – VO
Line Regulation
VO/VIN
Load Regulation
VO/ILOAD
Quiescent Current
ISY
Voltage Noise
Turn-On Settling Time
Long-Term Stability*
Output Voltage Hysteresis
Ripple Rejection Ratio
Short Circuit to GND
eN
tR
VO
VO_HYS
RRR
ISC
Shutdown Supply Current
Shutdown Logic Input Current
Shutdown Logic Low
Shutdown Logic High
ISHDN
ILOGIC
VINL
VINH
–40C < TA < +85C
VIN = 2.5 V to 15 V
–40C < TA < +85C
VIN = 3 V, ILOAD = 0 mA to 5 mA
–40C < TA < +85C
No Load
–40C < TA < +85C
0.1 Hz to 10 Hz
fIN = 60 Hz
VIN = 5.0 V
VIN = 15.0 V
2.042
0.29
300
2.4
2.048
5
10
100
5
20
50
40
85
25
30
2.054
0.29
25
V
%
ppm/C
mV
25 ppm/V
60 ppm/mA
120 A
140 A
V p-p
s
ppm/1000 hrs
ppm
dB
mA
mA
3 A
500 nA
0.8 V
V
*The long-term stability specification is noncumulative. The drift in subsequent 1000 hour periods is significantly lower than in the first 1000 hour period.
Specifications subject to change without notice.
ADR391 SPECIFICATIONS
ELECTRICAL CHARACTERISTICS (@ VS = 5.0 V to 15 V, TA = 25؇C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min Typ Max Unit
Initial Accuracy
Initial Accuracy Error
Temperature Coefficient
Minimum Supply Voltage Headroom
Line Regulation
VO
VOERR
TCVO
VIN – VO
VO/VIN
Load Regulation
VO/ILOAD
Quiescent Current
Voltage Noise
Turn-On Settling Time
Long-Term Stability*
Output Voltage Hysteresis
Ripple Rejection Ratio
Short Circuit to GND
Shutdown Supply Current
Shutdown Logic Input Current
Shutdown Logic Low
Shutdown Logic High
ISY
eN
tR
VO
VO_HYS
RRR
ISC
ILOGIC
VINL
VINH
–40C < TA < +85C
VIN = 2.8 V to 15 V
–40C < TA < +85C
VSY = 3.5 V,
ILOAD = 0 mA to 5 mA
–40C < TA < +85C
No Load
–40C < TA < +85C
0.1 Hz to 10 Hz
fIN = 60 Hz
VIN = 5.0 V
VIN = 15.0 V
2.494
0.24
300
2.5
5
10
2.506
0.24
25
V
%
ppm/C
mV
25 ppm/V
60 ppm/mA
100 120 A
140 A
5 V p-p
20 s
50 ppm/1000 hrs
75 ppm
85 dB
25 mA
30 mA
3 A
500 nA
0.8 V
2.4 V
*The long-term stability specification is noncumulative. The drift in subsequent 1000 hour periods is significantly lower than in the first 1000 hour period.
Specifications subject to change without notice.
–2– REV. C




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관련 데이터시트


ADR390

Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown - Analog Devices



ADR391

Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown - Analog Devices



ADR392

Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown - Analog Devices



ADR395

Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown - Analog Devices