1

LT1222

1222fc

DESCRIPTIO

FEATURES

APPLICATIO S

TYPICAL APPLICATIO

500MHz, 3nV/

Operational Amplifier

μs

√Hz

μV

Ω: ±12V

The LT

amplifier with superior DC performance. The LT1222 is

stable in a noise gain of 10 or greater without compensa-

tion, or the part can be externally compensated for lower

closed-loop gain at the expense of lower bandwidth and

slew rate. It features reduced input offset voltage, lower

input bias currents, lower noise and higher DC gain than

devices with comparable bandwidth and slew rate. The

circuit is a single gain stage that includes proprietary DC

gain enhancement circuitry to obtain precision with high

speed. The high gain and fast settling time make the circuit

an ideal choice for data acquisition systems. The circuit is

also capable of driving capacitive loads which makes it

useful in buffer or cable driver applications. The compen-

sation node can also be used to clamp the output swing.

The LT1222 is a member of a family of fast, high perfor-

mance amplifiers that employ Linear Technology

Corporation’s advanced complementary bipolar process-

ing. For unity-gain stable applications the LT1220 can be

used, and for gains of 4 or greater the LT1221 can be used.

LT1222 • TA02

±15V

LT1222 • TA01

LT1222

1N5711

1N5711

909

Ω

100

Ω

+

–

1N4148

0.1

μF

5

6

3

2

3k

15V

f = 5MHz

LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

C-Load is a trademark of Linear Technology Corporation.