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ADR391 View Datasheet(PDF) - Analog Devices

Part NameADR391 ADI
Analog Devices ADI
DescriptionMicropower, Low Noise Precision Voltage References with Shutdown


ADR391 Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TYPICAL PERFORMANCE CHARACTERISTICS
2.060
2.056
2.052
2.048
SAMPLE 1
2.044
SAMPLE 2
SAMPLE 3
2.040
–40
–5
30
65
TEMPERATURE (°C)
100
125
Figure 3. ADR390 Output Voltage vs. Temperature
ADR390/ADR391/ADR392/ADR395
5.006
5.004
SAMPLE 3
5.002
SAMPLE 2
5.000
4.998
SAMPLE 1
4.996
4.994
–40
–5
30
65
100
125
TEMPERATURE (°C)
Figure 6. ADR395 Output Voltage vs. Temperature
2.506
2.504
2.502
2.500
SAMPLE 1
SAMPLE 2
SAMPLE 3
2.498
2.496
2.494
–40
–5
30
65
TEMPERATURE (°C)
100
125
Figure 4. ADR391 Output Voltage vs. Temperature
140
+125°C
120
+85°C
100
+25°C
–40°C
80
60
40
2.5
5.0
7.5
10.0
12.5
15.0
INPUT VOLTAGE (V)
Figure 7. ADR390 Supply Current vs. Input Voltage
4.100
4.098
SAMPLE 3
4.096
4.094
SAMPLE 1
4.092
SAMPLE 2
4.090
4.088
–40
0
40
80
125
TEMPERATURE (°C)
Figure 5. ADR392 Output Voltage vs. Temperature
140
120
+85°C
100
+25°C
–40°C
80
60
40
2.5
5.0
7.5
10.0
12.5
15.0
INPUT VOLTAGE (V)
Figure 8. ADR391 Supply Current vs. Input Voltage
Rev. F | Page 9 of 20
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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, respectively, featuring low power and high precision in a tiny footprint. Using ADI’s patented temperature drift curvature correction techniques, the ADR39x references achieve a low 9 ppm/°C of temperature drift in the TSOT package.

FEATURES
Compact TSOT-23-5 packages
Low temperature coefficient
   B grade: 9 ppm/°C
   A grade: 25 ppm/°C
Initial accuracy
   B grade: ±4 mV maximum
   A grade: ±6 mV maximum
Ultralow output noise: 5 µV p-p (0.1 Hz to 10 Hz)
Low dropout: 300 mV
Low supply current
   3 µA maximum in shutdown
   120 µA maximum in operation
No external capacitor required
Output current: 5 mA
Wide temperature range
    −40°C to + 125°C

 

APPLICATIONS
Battery-powered instrumentation
Portable medical instrumentation
Data acquisition systems
Industrial process controls
Automotive

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