lmx2337 National Semiconductor Corporation, lmx2337 Datasheet - Page 3

• Manufacturer Part Number: lmx2337
• Description: Pllatinum? Dual Frequency Synthesizer For Rf Personal Communications
• Manufacturer: National Semiconductor Corporation

Pin No.
2335/37
Pin Descriptions
Block Diagram
Note: V
detector, R-counter along with the OSC
voltage level.
V
P
16
1 and V
CC
1 supplies power to the RF1 prescaler, N-counter, R-counter, and phase detector. V
P
2 can be run separately as long as V
Pin No.
2336
20
Name
V
Pin
CC
2
(Continued)
in
buffer, MICROWIRE, and F
I/O
P
LMX2335/37 Pin #
Power supply voltage input for RF2 analog. RF2 digital, MICROWIRE, F
Oscillator circuits. Input may range from 2.7V to 5.5V. V
capacitors should be placed as close as possible to this pin and be connected directly
to the ground plane.
V
CC
X signifies a function not available
.
Pin Name
o
LD. V
CC
1 and V
8/10
3
F
CC
o
2 are clamped to each other by diodes and must be run at the same
LD
LMX2336 Pin #
CC
2 supplies power to the RF2 prescaler, N-counter, phase
Description
CC
2 must equal V
o
LD and
CC
www.national.com
1. Bypass
DS012332-17