excellent phase jitter performance, over the 1.875MHz – 20MHz
integration range. The ICS840022 is packaged in a small 8-pin
TSSOP, making it ideal for use in systems with limited board
space.
F
EATURES
•
One LVCMOS/LVTTL output, 7Ω output impedence
•
Crystal oscillator interface designed for 25MHz,
18pF parallel resonant crystal
•
Output frequencies: 125MHz or 62.5MHz (selectable)
•
RMS phase jitter @ 125MHz, using a 25MHz crystal
(1.875MHz - 20MHz): 0.55ps (typical)
•
RMS phase noise at 125MHz:
Offset
Noise Power
100Hz ............. -106.3 dBc/Hz
1kHz ............. -126.3 dBc/Hz
10kHz ............. -131.7 dBc/Hz
100kHz ............. -130.8 dBc/Hz
•
3.3V operating supply
•
0°C to 70°C ambient operating temperature
•
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
•
Industrial temperature information available upon request
IC
S
F
UNCTION
T
ABLE
Inputs
FREQ_SEL
0
1
Output Frequencies
(with a 25MHz crystal)
125MHz
62.5MHz
B
LOCK
D
IAGRAM
OE
FREQ_SEL
P
IN
A
SSIGNMENT
V
DDA
OE
XTAL_OUT
XTAL_IN
1
2
3
4
8
7
6
5
V
DD
Q
GND
FREQ_SEL
XTAL_IN
OSC
XTAL_OUT
Phase
Detector
VCO
560MHz-680MHz
w/25MHz Ref.
÷5
0
Q
ICS840022
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
÷10
1
M = ÷25 (fixed)
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
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