LMTC2020 Series
Temperature Compensated Crystal oscillator
FEATURE
Wide frequency range
Industry standard pin-out
Table 1
Codes
A
B
F
D
E
C
G
H
J
Temperature Range
Custom Options available
STABILITY TABLE
Stability Codes
Frequency Stability
0 to +50° C
0 to +60° C
0 to +70° C
-10 to +60° C
-10 to +70° C
-20 to +70° C
-30 to +80° C
-30 to +85° C
-40 to +85° C
X
±0.5
PPM
Y
±1.0
PPM
Z
±1.5
PPM
P
±2.0
PPM
Parameters
Frequency Range:
1 MHz – 100 MHz
Output Drive:
15 pF HCMOS / TTL
Other
Logic Levels:
‘0’ = +0.5V max, ‘1’ = +4.0V min
‘0’ = +0.4V max, ‘1’ = +2.4V min
Rise / fall time:
10 nS max
Waveform symmetry:
40:60 max @ 2.5V
40:60 max @ 1.4V
Variant
H
T
Option
Codes
Specify
Table 2
Supply Voltage
Code
3.3V
3
5V
5
9V
9
10V
A
12V
C
15V
F
Pin Connection
PIN
1
2
3
4
5
Option
N&I
Supply
Output
Ground
Not connected
Not connected
Option
V
Supply
Output
Ground
Frequency
Adjustment
Not connected
Option
P
Supply
Output
Ground
Frequency
Adjustment
Ref. Voltage out
Option
R
Supply
Output
Ground
Variable
Resistor
Not connected
Frequency stability:
(Table
1)
Temperature range:
(Table
1)
Storage temperature range:
-55 to +105° C
Frequency Vs. supply voltage
±0.1
ppm / V max.
Ageing:
±1.0
ppm max per year
(Table 2)
Supply voltage (V
DD
):
+5.0V (±5%)
+5.0V ~ 13V (±5%)
Supply current:
20 mA max (<20.0 MHz)
30 mA max (20.0 ~ 50.0 MHz)
50 mA max (>50 mHz)
Frequency adjustment:
None
±3
ppm min by internal trimmer
±5
ppm, 2.5V
±2.5
V
±5
ppm by external 3 pin potentiometer
±5
ppm byexternal 2 pin variable resistor
Standard,
Specify
Outline
21.00
Side View
12.00
max
5.0
min
0.8
21.00
N
I
V
P
R
Optional – please specify required code(s) when ordering.
Bottom View
3
21.00
2 1
15.20
5
4
7.60
7.60
3
3
10 K POT
4
10 K POT
4
Potentiometer trimming
(3 pin) (Option P)
Variable resistor trimming
(2 pin) (Option R)
General Electronic Devices
320 So. Pacific St. San Marcos, CA 92069
Tel: (760) 591-4170 (760) 591-4095 Fax: (760) 591-4164
Email: info@gedlm.com Website: wwww.gedlm.com
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