For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

8

8 - 134

Pin Descriptions

Application Circuit

Pin Number

Function

Description

Interface Schematic

1, 2, 6 - 12,

14 - 19, 23, 24,

26, 27, 29 - 31

N/C

The pins are not connected internally; however, all data

shown herein was measured with these pins connected to

RF/DC ground externally.

3, 5, 20, 22

GND

Package bottom must also

be connected to RF/DC ground.

4RFIN

This pad is AC coupled

and matched to 50 Ohms.

13

Vgg

Gate control for amplifier. Adjust to achieve Idd of 200 mA.

Please follow “MMIC Amplifier Biasing Procedure”

Application Note. External bypass capacitors of 100 pF and

0.01 μF are required.

21

RFOUT

This pad is AC coupled

and matched to 50 Ohms.

25, 28, 32

Vdd3, 2, 1

Power Supply Voltage for the amplifier. External bypass

capacitors of 100 pF and 0.01 μF are required.

HMC490LP5 / 490LP5E

GaAs PHEMT MMIC LOW NOISE

HIGH IP3 AMPLIFIER, 12 - 16 GHz

v03.1109