1.2 V Ultralow Power High PSRR Voltage Reference Excellent line regulation 2 ppm/V typical ADR280AKSZ-REEL7

1.2 V Ultralow Power High PSRR Voltage Reference

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 μA maximum

♦Temperature coefficient: 40 ppm/°C 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

APPLICATIONS

♦List GSM, GPRS, 3G mobile stations

♦Portable battery-operated electronics

♦Low voltage converter references

♦Wireless devices

GENERAL DESCRIPTION

The ADR280 is a 1.2 V band gap core reference with excellent line regulation and power supply rejection designed specifically 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 that have an analog baseband IC with on-board baseband, audio codecs, voltage regulators, and battery chargers rely on the ability of the ADR280 to reject input battery voltage variations during RF power amplifier 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 specific outputs, which simplifies the user’s design, but compromises on the cost, form factor, and flexibility. 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 specified over the extended industrial temperature range of −40°C to +85°C.

TYPICAL PERFORMANCE CHARACTERISTICS

CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electronic components that are hard to find and even obsolete. We have taken pride in our innovation, reliability and service, especially in the semiconductor marketplace.
Our distribution brands include XILINX，ALTERA，ATMEL, INFINEON, ST,SAMSUNG，TEXAS INSTRUMENTS，ON，TOSHIBA，，MICROCHIP，CYPRESS，FREESCALE，etc. We distributes over 200,000 products ranging from semiconductors to resistors, capacitors, diodes, inductors, connectors, transistors, sensors and so on.
Our mission is to meet and exceed all the expecations of what we supply to customers.