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ADR280 数据表(PDF) 2 Page - Analog Devices

部件名 ADR280
功能描述  1.2 V Ultralow Power High PSRR Voltage Reference
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADR280 数据表(HTML) 2 Page - Analog Devices

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–2–
ADR280–SPECIFICATIONS
–3–
Typical Performance Characteristics–ADR280
ORDERING GUIDE
Temperature
Package
Package
Top
Output
Number of
Model
Range
Description
Option
Mark
Voltage (V)
Parts per Reel
ADR280ART-R2
–40°C to +85°C
SOT-23
RT-3
RBA
1.200
250
ADR280ART-REEL7
–40°C to +85°C
SOT-23
RT-3
RBA
1.200
3,000
ADR280ART-REEL
–40°C to +85°C
SOT-23
RT-3
RBA
1.200
10,000
ADR280AKS-R2
–40°C to +85°C
SC70
KS-3
RBA
1.200
250
ADR280AKS-REEL7
–40°C to +85°C
SC70
KS-3
RBA
1.200
3,000
ADR280AKS-REEL
–40°C to +85°C
SC70
KS-3
RBA
1.200
10,00
0
(VIN = 2.55 V to 5.5 V, TA = 25°C, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
Output Voltage2
VOUT
1.195
1.200
1.205
V
Temperature Coefficient
TCVo
0°C < TA < 50°C
5
20
ppm/oC
–40°C < TA < +85°C
10
40
ppm/oC
Line Regulation
VOUT/VIN
2.55 V < VIN < 5.5 V, No Load
2
12
ppm/V
Supply Current
IIN
2.4 V < VIN < 5.5 V, No Load
10
16
µA
Ground Current
IGND
V– Grounded, ILOAD = 10 µA
12
20
µA
Input Voltage Range
VIN
2.4
5.5
V
Operating Temperature Range
TA
–40
+85
°C
Nominal Load Capacitance
COUT
1
µF
Output Noise Voltage
VN
f = 10 Hz to 10 kHz
12.5
µVrms
Output Noise Density
eN
f = 400 kHz
12.5
nV/
÷Hz
Power Supply Ripple Rejection3
PSRR
ILOAD = 10 µA
–80
dB
Start-Up Time
tON
2
ms
NOTES
1Typical values represent average readings taken at room temperature.
2Conditions: 2.4 V < VIN < 5.5 V, 0 µA < IOUT < 10 µA, –40°C < TA < +85°C.
3Power supply ripple rejection measurement applies to a changing input voltage (VIN) waveform with a nominal 3.6 V baseline that drops to a 3 V value for
380 µs at a 4.6 ms repetition rate.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS1, 2
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Storage Temperature Range . . . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . –40°C to +85°C
Junction Temperature Range . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 Sec) . . . . . . . . . .300°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause permanent
damage to the device. This is a stress rating only and functional operation of the
device at these or any other conditions above those listed in the operational sections
THERMAL RESISTANCE
Package Type
JA*
JC
Unit
SOT-23
230
146
°C/W
SC70
376
102
°C/W
* JA is specified for the worst-case conditions, i.e., JA is specified for device sol-
dered in circuit board for surface-mount packages.
PIN FUNCTION DESCRIPTIONS
Mnemonic
Pin No.
SOT-23
SC70
Description
1
V+
VOUT
High Supply Voltage Input
2
VOUT
V+
Output Voltage
3
V–
V–
Low Supply Voltage Input
PIN CONFIGURATIONS
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 ADR280
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.
SOT-23
VOUT
V+ 1
2
3
ADR280
V–
SC70
V+
VOUT 1
2
3
ADR280
V–
of this specification is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect device reliability.
2 Absolute Maximum Ratings apply at 25°C, unless otherwise noted.
REV. A
REV. A


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