Crystal Clock Oscillators
22SMO
(+1.8V,+2.5V, +2.8V, +3.0V or +3.3V FIXED MODELS)
22SMO
Actual Size
STANDARD SMD CLOCK OSCILLATORS
STANDARD SPECIFICATIONS
Item
Generic part number
Frequency range
Frequency stability
Specifications
22SMO
※1
0.75 MHz to 75.0000 MHz
22SMO(A) :
±100
ppm over -20˚C to
＋70˚C
22SMO(B) :
±50
ppm over -20˚C to
＋70˚C
22SMO(C) :
±30
ppm over -10˚C to
＋70˚C
22SMO(D) :
±25
ppm over -10˚C to
＋70˚C
22SMO(AW) :
±100
ppm over -40˚C to
＋85˚C
22SMO(BW) :
±50
ppm over -40˚C to
＋85˚C
-20˚C to
＋70˚C
(standard)
-40˚C to
＋85˚C
(W)
＋1.8V ±5%, ＋2.5V ±5%, ＋2.8V ±5%, ＋3.0V ±5%
or＋3.3V
±5%
V
IH
: 70%V
DD
min.
V
IL
: 30%V
DD
max.
※2
-0.5V to
＋7.0V
DC
-55˚C to
＋100˚C
＋1.8V
3.0 mA max.
(30 to 40 MHz)
3.5 mA max.
(40 to 50 MHz)
over all conditions
Operating Conditions
Operating temperature
Input voltage (V
DD
)
2.0±0.1
22SMO
2.5±0.1
#4
#3
Stand-by control voltage (Pin#1)
#1
#2
0.9max.
0.8
#1
0.9
0.8
#2
0.7 0.6 0.7
Absolute Max. Ratings
Supply voltage
Storage temperature
Input current
＋2.5V
9 mA max.
11 mA max.
14 mA max.
＋2.8V/＋3.0V
6 mA max.
11 mA max.
16 mA max.
20 mA max.
＋3.3V
7 mA max.
(0.75 to 20 MHz)
13 mA max.
(20 to 40 MHz)
19 mA max.
(40 to 60 MHz)
24 mA max.
(60 to 75 MHz)
2.5 mA max.
(0.5 to 30 MHz)
5 mA max.
A
B
#4
PIN
1
2
3
4
#3
CONNECTION
"L"
OPEN or "H"
GND
Z
OUTPUT
V
DD
Z : high impedance
＊
The terminals (A & B)
not to be connected.
Stand-by current
Output (-20˚C to
＋70˚C)
Symmetry
※2
10
μA
max. (Pin #1=V
IL
)
40% to 60% at 50%V
DD
level (V
DD
=
＋2.5V)
45% to 55% at 50%V
DD
level (V
DD
=
＋1.8V,＋2.8V,＋3.0V
&
＋3.3V)
10 ns max. (10%V
DD
to 90%V
DD
level)
V
OL
: 10%V
DD
max.
V
OH
: 90%V
DD
min.
15 pF max. (CMOS)
150 ns max.
10 ms max.
±5
ppm max. at
＋25˚C ±3˚C
for first year
＋250˚C ±10˚C
for 10 seconds
＋170˚C ±10˚C
for 1 to 2 minutes (preheating)
OUTPUT WAVEFORM
TR
V
OH
("1"Level)
TF
V
DD
90% or 80% V
DD
50% V
DD
V
OL
("0"Level)
GND
10% or 20% V
DD
OV DC
T
Symmetry=t/T×100(%)
t
Rise and fall times
"0" level
"1" level
Load
Disable delay time
Enable delay time
Aging
Reflow condition
TEST CIRCUIT
Test Point
V
DD
A
#4
V
DD
(※1) Final exact part number to be determined with frequency, frequency stability, operating temperature and input voltage.
e.g. 22SMO(2.8VC) 27.000 MHz.
(※2) Internal crystal oscillation to be halted (Pin #1=V
IL
).
PACKAGE DATA
Item
Package
#3
OUTPUT
GND
DC Power
Supply
0.01μ
F∼0.1μF
22SMO
Metal
Ceramic
AuSn
Tungsten (metalized)
Gold / Nickel
L
V
TRI-STATE
CL
Lid
Base
Sealing
Terminal
Terminal plating
RoHS
CL : including fixture and probe capacitance.
E/D SW
#1
#2
TAPE SPECIFICATIONS
4.0±0.1
0.1
φ
1.5
+-
0
1.75±0.1
2.0±0.1
SOLDERING PATTERN
1.1
0.7
1.1
(surface) / (under)
Compliant (Pb-free)
A
D
J
0.9
M
B
F
0.5
0.01μF
∼
0.1μF
1.8
0.9
M Reel Dia. Qty/Reel
2000pcs
2.8 2.3 8.0 3.5 4.0 1.0 0.25 1.1
180 1000pcs
A
B
C
D
F
J
L
C
77
CLK OSC
PCB设计
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
