B00017 查看數據表（PDF） - Silicon Laboratories
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B00017 Datasheet PDF : 33 Pages
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Si532
3. Ordering Information
The Si532 XO was designed to support a variety of options including frequency, temperature stability, output
format, and VDD. Specific device configurations are programmed into the Si532 at time of shipment. Configurations
can be specified using the Part Number Configuration chart below. Silicon Laboratories provides a web browser-
based part number configuration utility to simplify this process. Refer to www.silabs.com/VCXOPartNumber to
access this tool and for further ordering instructions. The Si532 is supplied in an industry-standard, RoHS
compliant, 6-pad, 5 x 7 mm package.
532
X
X
XXXXXX
B
G
R
532 Dual XO
Product Family
1st Option Code
VDD Output Format Output Enable Polarity
A 3.3 LVPECL
High
B 3.3 LVDS
High
C 3.3 CMOS
High
D 3.3 CML
High
E 2.5 LVPECL
High
F 2.5 LVDS
High
G 2.5 CMOS
High
H 2.5 CML
High
J 1.8 CMOS
High
K 1.8 CML
High
M 3.3 LVPECL
Low
N 3.3 LVDS
Low
P 3.3 CMOS
Low
Q 3.3 CML
Low
R 2.5 LVPECL
Low
S 2.5 LVDS
Low
T 2.5 CMOS
Low
U 2.5 CML
Low
V 1.8 CMOS
Low
W 1.8 CML
Low
Note:
CMOS available to 160 MHz.
R = Tape & Reel
Blank = Trays
Operating Temp Range (°C)
G
–40 to +85 °C
Device Revision Letter
6-digit Frequency Designator Code
Two unique frequencies can be specified within the following bands of
frequencies: 10 to 945 MHz, 970 to 1134 MHz, and 1213 to 1417 MHz. A
six digit code will be assigned for the specified combination of frequencies.
Codes > 000100 refer to dual XOs programmed with the lower frequency
value selected when FS = 0, and the higher value when FS = 1. Six digit
codes < 000100 refer to dual XOs programmed with the higher frequency
value selected when FS = 0, and the lower value when FS = 1.
2nd Option Code
Code Temperature Stability (ppm, max, ±)
A
50
B
20
Example Part Number: 532AB000108BGR is a 5 x 7 mm Dual XO in a 6 pad package. Since the six digit code (000108) is > 000100,
f0 is 644.53125 MHz (lower frequency) and f1 is 693.48299 (higher frequency), with a 3.3 V supply, LVPECL output, and Output
Enable active high polarity. Temperature stability is specified as ±20 ppm. The part is specified for a –40 to +85 C° ambient
temperature range operation and is shipped in tape and reel format.
Figure 1. Part Number Convention
Rev. 1.0
7
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