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MFG:ADI D/C:09
Part Number: ADR280
MFG: ADI
D/C: 09
Description: The ADR280 is a 1.2 V band gap core reference with excellentline regulation and power supply rejection designed s...
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ADR280
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DataSheet
General Description
ADR280 General Description
The ADR280 is a 1.2 V band gap core reference with excellent line regulation and power supply rejection designed specifcally for applications experiencing heavy dynamic supply variations, such as data converter references in GSM, GPRS, and 3G mobile station applications. Devices such as the AD6535, which has an analog baseband IC with on-board baseband and audio codecs, voltage regulators, and battery charger, rely on the
ADR280's ability to reject input battery voltage variations during RF power amplifer activity.
In addition to mobile stations, the ADR280 is suitable for a variety of general-purpose applications. Most band gap references include internal gain for specifc outputs, which simplifes the user's design but compromises on the cost, form factor, and fexibility. The ADR280, on the other hand, optimizes the band gap core voltage and allows users to tailor the voltage, current, or transient response by simply adding their preferred op amps.
The ADR280 operates on a wide supply voltage range from 2.4 V to 5.5 V. It is available in compact 3-lead SOT-23 and SC70 packages. The device is specifed over the extended industrial temperature range of 40°C to +85°C.
ADR280 Maximum Ratings
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
ADR280 Features
1.2 V Precision Output
Excellent Line Regulation, 2 ppm/V Typical
High Power Supply Ripple Rejection, 80 dB at 220 Hz
Ultralow Power, Supply Current 16 A Maximum
Temperature Coeffcient, 40 ppm/oC Maximum
Low Noise, 12.5 nV/÷Hz Typical
Operating Supply Range, 2.4 V to 5.5 V
Compact 3-Lead SOT-23 and SC70 Packages
Excellent Line Regulation, 2 ppm/V Typical
High Power Supply Ripple Rejection, 80 dB at 220 Hz
Ultralow Power, Supply Current 16 A Maximum
Temperature Coeffcient, 40 ppm/oC Maximum
Low Noise, 12.5 nV/÷Hz Typical
Operating Supply Range, 2.4 V to 5.5 V
Compact 3-Lead SOT-23 and SC70 Packages
ADR280 Typical Application
GSM, GPRS, 3G Mobile Stations
Portable Battery-Operated Electronics
Low Voltage Converter References
Wireless Devices
Portable Battery-Operated Electronics
Low Voltage Converter References
Wireless Devices
ADR280
PDF/DataSheet Download
- Datasheet: ADR280
- File Size: 510871 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
- ·ADR01
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AKS-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AKS-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AR
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AR-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AUJ-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01AUJ-REEL7
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
- ·ADR01BKS-R2
- AD [Analog Devices]
- Ultracompact Precision10 V/5 V/2.5 V/3.0 V Voltage References
- 857494 KB
ADR280 Relative Products
ADR1581BRTZ-REEL7
IC VREF PREC SHUNT 1.25V SOT23-3
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ADR1581BRTZ-R2
IC VREF PREC SHUNT 1.25V SOT23-3
ADR1581ARTZ-REEL7
IC VREF PREC SHUNT 1.25V SOT23-3
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ADR1581ARTZ-R2
IC VREF PREC SHUNT 1.25V SOT23-3
ADR1581
The ADR1581 is a low cost, 2-terminal (shunt), precision band gap reference. It provides an accurate 1.25 V output for input currents between 60 UA and 10 mA.
ADR1500BKSZ-REEL7
IC VREF PRE SHUNT 1.2875V SC70-3
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