lmx2515 National Semiconductor Corporation, lmx2515 Datasheet - Page 2

• Manufacturer Part Number: lmx2515
• Description: Pllatinum? Frequency Synthesizer System With Integrated Vco
• Manufacturer: National Semiconductor Corporation

www.national.com
Connection Diagrams
Pin Descriptions
LMX2515LQ0701
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
28-Pin 5x5 LLP (LQ) Package
(LMX2515LQ0701 - Top View)
LMX2515LQ1321
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
20068802
OSCin
Name
RFout
RFout
DATA
GND
GND
GND
GND
V
V
V
V
V
V
V
NC
NC
NC
NC
NC
NC
NC
NC
NC
LE
L1
L2
DD
DD
DD
DD
DD
CC
CC
I/O
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O
O
I
I
I
2
Description
Reference frequency input
Ground for digital circuitry
Supply voltage for analog circuitry
Ground for analog circuitry
Do not connect to any node on the printed circuit board.
Do not connect to any node on the printed circuit board.
Supply voltage for RF analog circuitry
Do not connect to any node on the printed circuit board.
RF VCO tank pin. An external inductor is required
between pins L1 and L2 to set the resonant frequency of
LMX2515LQ0701 RF VCO.
Do not connect to any node on the printed circuit board.
RF VCO tank pin. An external inductor is required
between pins L1 and L2 to set the resonant frequency of
LMX2515LQ0701 RF VCO.
Do not connect to any node on the printed circuit board.
Do not connect to any node on the printed circuit board.
Do not connect to any node on the printed circuit board.
Supply voltage for RF analog circuitry
Do not connect to any node on the printed circuit board.
RF VCO output for LMX2515LQ1321
Supply voltage for RF analog circuitry
RF VCO output for LMX2515LQ0701
Do not connect to any node on the printed circuit board.
Supply voltage for analog circuitry
Ground for digital circuitry
Supply voltage for digital circuitry
Ground for digital circuitry
Supply voltage for digital circuitry
MICROWIRE Latch Enable
MICROWIRE Data
28-Pin 5x5 LLP (LQ) Package
(LMX2515LQ1321 - Top View)
20068811