SUPPLY VOLTAGE (V)

800

700

600

500

400

300

200

100

0

1

2

3

4

5

6

125°C

85°C

25°C

-40°C

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LPV521

SNOSB14D – AUGUST 2009 – REVISED DECEMBER 2014

LPV521 NanoPower, 1.8-V, RRIO, CMOS Input, Operational Amplifier

1 Features

3 Description

The LPV521 is a single nanopower 552-nW amplifier

1

•

designed for ultra long life battery applications. The

–

operating voltage range of 1.6 V to 5.5 V coupled

–

Operating Voltage Range 1.6 V to 5.5 V

with typically 351 nA of supply current make it well

suited

for

RFID

readers

and

remote

sensor

–

nanopower

applications.

The

device

has

input

–

common

mode

voltage

0.1

V

over

the

rails,

–

Input Bias Current 40 fA

output performance. The LPV521 has a carefully

–

PSRR 109 dB

designed

CMOS

input

stage

that

outperforms

–

CMRR 102 dB

–

Open-Loop Gain 132 dB

errors

introduced

in

megohm

resistance,

high

–

Gain Bandwidth Product 6.2 kHz

impedance photodiode, and charge sense situations.

–

Slew Rate 2.4 V/ms

The LPV521 is a member of the PowerWise™ family

–

Input Voltage Noise at f = 100 Hz 255 nV/

√Hz

and has an exceptional power-to-performance ratio.

–

Temperature Range

−40°C to 125°C

The

wide

input

common

mode

voltage

range,

2 Applications

accurate and stable measurement for both high-side

and low-side current sensing.

•

Wireless Remote Sensors

•

Powerline Monitoring

EMI protection was designed into the device to

reduce sensitivity to unwanted RF signals from cell

•

Power Meters

phones or other RFID readers.

•

Battery Powered Industrial Sensors

The LPV521 is offered in the 5-pin SC70 package.

•

Micropower Oxygen sensor and Gas Sensor

•

Active RFID Readers

Device Information(1)

•

Zigbee Based Sensors for HVAC Control

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Sensor Network Powered by Energy Scavenging

LPV521

SC70 (5)

2.00 mm x 1.25 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Nanopower Supply Current

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.