8

8 - 28

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

Order On-line at www.hittite.com

Pin Number

Function

Description

Interface Schematic

1, 6, 7, 13,

17, 18

N/C

These pins are not connected internally; however,

this product is specified with these pins connected

to RF/DC ground.

2

TEMP

Temperature sensor output pin.

3, 4

INP, INN

RF Input pins. Connect RF to INP, and AC couple

INN to ground for single-ended operation.

5EN

Enable pin, connect to Vcc1, Vcc2, Vcc3 for normal

operation. Applying voltage <0.2 x (Vcc1, Vcc2, Vcc3) will

initiate power saving mode.

8 - 12, 19, 20,

23, 24

Vcc1, Vcc2,

Vcc3

Bias supply. Connect supply voltage to

these pins with appropriate filtering.

14

CLPF

Loop filter capacitor for output ripple filtering.

Pin Descriptions

v01.0407

70 dB, LOGARITHMIC

DETECTOR / CONTROLLER, 1 - 8000 MHz