LMX2485E EVAL National Semiconductor, LMX2485E EVAL Datasheet - Page 15

• Manufacturer Part Number: LMX2485E EVAL
• Description: BOARD EVALUATION LMX2485E
• Manufacturer: National Semiconductor
• Series: PLLatinum™r

Specifications of LMX2485E EVAL

• Main Purpose: Timing, Frequency Synthesizer
• Utilized Ic / Part: LMX2485E
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -

D
C
B
A
VccVCO
VccPLL
GND
U4
TRIG
C33
L M X 2 4 8 5 E
1
1
1
3
5
7
9
C32
uWire
C31
2
4
6
8
10
R1
L1
L2
VccPLL
RF_BSW
LE
DATA
CLK
CE
IF__BSW
ENOSC
C1
C2
E V A L U A T I O N
11
13
1
3
1
3
5
7
9
POWER_VCO
POWER PLL
R16
R14
R17
R18
R22
R23
R12
R13
R15
R19
2
4
2
4
6
8
10
12
14
C24
R21
R20
C26
VccPLL
VccPLL
2
VccRFVCO
2
C12
R4_RF
1
2
3
Vt
G
Vcc
R3_RF
Fout
B O A R D
R4
R5
R6
R7
R8
R9
R10
R11
R3
NC
R100
G
TP1
U2
VccRFVCO
VccIFVCO
VddIF2
VddIF1
VddRF3
VddRF4
VddRF1
VddRF2
VddRF5
7
6
5
C4
C5
C6
C7
C8
C9
C10
C11
C3
C30
R2pRF
O P E R A T I N G
RF_OUT
R26
TP2
R24
R25
C14
R26p
3
3
C13
C15
VddRF1
C23
1
2
3
4
5
6
CPoutRF
GND
VddRF1
FinRF
FinRF*
LE
VddRF4
15
C22
I N S T R U C T I O N S
VddRF3
C21
VddRF2
0
U1
C16
VddRF5
GND*
C25
C20
R2
TP3
Note
-------
- Any component with designator value of 100 or higher is on the back side of the board and will not be placed in default mode.
- The components with a suffix of "p" indicate a pad is shared and the part number w ithout the "p" suffix can not be placed.
CPoutIF
OSCout
VddIF2
VddIF1
--- R26p P lace 68 ohms to ground to create a 6 dB T pad, or 0 ohms for impedance measurent callibration.
--- R27p P lace 68 ohms to ground to create a 6 dB T pad, or 0 ohms for impedance measurent callibration.
FinIF
GND
4
4
OSCin
R31
18
17
16
15
14
13
VccPLL
C17
VddIF2
R30
C29
VddIF1
TP4
C19
Ftest/LD
C18
TP5
R3_IF
VccIFVCO
5
5
1
2
3
C28
Vt
G
Vcc
FRAME
Fout
NC
U3
G
R27p
7
6
5
R27
R29
C27
R28
Title
Size
Date:
File:
C
LM X2485E Evaluation Board
IF_OUT
1-Mar-2006
C:\Docum entum\Export\LMX2485ESQEBPCB.ddb.Bkp
Number
LM X2485SQAEBPCB
R102
Sheet of
Drawn By:
6
6
Revision
D
C
B
A