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Part Number: AD1580

 

MFG: ADI

 

D/C: 09

Description: The AD1580 is a low cost, two-terminal (shunt), precision bandgap reference. It provides an accurate 1...


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AD1580 General Description


The AD1580 is a low cost, two-terminal (shunt), precision bandgap reference. It provides an accurate 1.225 V output for input currents between 50 mA and 10 mA.

The AD1580's superior accuracy and stability is made possible by the precise matching and thermal tracking of on-chip components. Proprietary curvature correction design techniques have been used to minimize the nonlinearities in the voltage output temperature characteristics. The AD1580 is stable with any value of capacitive load.

The low minimum operating current makes the AD1580 ideal for use in battery powered 3 V or 5 V systems. However, the wide operating current range means that the AD1580 is extremely versatile and suitable for use in a wide variety of high current applications.

The AD1580 is available in two grades, A and B, both of which are provided in an SOT-23 package, the smallest surface mount package available on the market. Both grades are specified over the industrial temperature range of 40°C to +85°C.

AD1580 Maximum Ratings

Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 mA
Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 mA
Internal Power Dissipation2
SOT-23 (RT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 Watts
Storage Temperature Range . . . . . . . .65°C to +150°C
Operating Temperature Range
AD1580/RT . . . . . . . . . . . . . . . . . . . . . .55°C to +125°C
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . .+215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Susceptibility3
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 V
NOTES
1  Stresses 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 indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
2  Specification is for device in free air at +25°C: SOT-23 Package: JA = 300°C/Watt.
3  The human body model is a 100 pF capacitor discharged through 1.5 k. For the machine model, a 200 pF capacitor is discharged directly into the device.
machine model, a 200 pF capacitor is discharged directly into the device.

AD1580 Features

`Wide Operating Range: 50 mA10 mA
`Initial Accuracy: 60.1% max
`Temperature Drift: 650 ppm/8C max
`Output Impedance: 0.5 max
`Wideband Noise (10 Hz10 kHz): 20 mV rms
`Operating Temperature Range: 408C to +858C
`High ESD Rating
     4 kV Human Body Model
     400 V Machine Model
`Compact, Surface-Mount, SOT-23 Package

AD1580 Typical Application

1. Portable, Battery-Powered Equipment:Cellular Phones, Notebook Computers, PDAs, GPS and DMM.
2. Computer Workstations Suitable for use with a wide range of video RAMDACs.
3. Smart Industrial Transmitters
4. PCMCIA Cards.
5. Automotive.
6. 3 V/5 V 812-Bit Data Converters

AD1580 datasheet

AD1580
PDF/DataSheet Download

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