Appl. Notes - Micro Crystal

OCXO
1) Package dimension: Application notes
Package info
Through holes versionS
A
Dimensions (typ.):
F
C
In.
A 0.80 ±0.003
B 0.493 ±0.003
C 0.307 ±0.008
D 0.25 ±0.002
E 0.018 ±0.0025
F 0.032 ±0.006
G 0.21 ±0.005
H 0.42 ±0.005
K 0.60 ±0.005
L 0.30 ±0.005
D
E
K
2) Package dimension: B
L
G
H
mm
20.14 ±0.08
12.52 ±0.08
7.8 ±0.2
6.35 ±0.5
0.46 ±0.06
0.8 ±0.15
5.35 ±0.13
10.7 ±0.13
15.24 ±0.13
7.62 ±0.13
Recommended pins soldering:
235°C ±5°C,
t = 10s ±0.5s
(260°C max for 5s max)
Pin Out:
Dimensions (typ.):
C
B
1 Frequency adjustment
7GND
8Output
14Vdd
SMD version (option D2):
A
K
Pin Out:
In.
A0.80 ±0.003
B0.493 ±0.003
C0.374 ±0.008
K0.60 ±0.005
I0.018 ±0.0025
mm
20.14 ±0.08
12.52 ±0.08
9.5 ±0.2
15.24 ±0.13
0.46 ±0.06
1 Frequency adjustment
2GND
3Output
4Vdd
I
1
3) Package dimension: SMD version (option D1)
K
L
I
2
Dimensions (max.):
3
In.
A0.87
B1.00
C0.41
H0.70
I
∅ 0.04
K0.10
L0.10
B
1
5
4
H
mm
22.0
25.4
10.5
17.8
∅ 1.0
2.5
2.5
1 Frequency adjustment
2NC
3Vdd
4Output
5GND
C
A
Pin Out:
4) Recommended solder pad layout & soldering conditions:
Solder pad layout: Option D1
19.5
21
3.5 8.9
32
3
25
25
3.5
0
8.9
Reflow soldering conditions
oø
Temperature (C)
235
Reflow rate: 3°C/sec. max
180
Wave soldering: Temp. peak up to 260°C
allowed for 5s (on pins)
180
150
120
90
0
25
Time (ms)
180
5
1
150
2
180
180
2
180
90
150
120
1
235
120
5
1
235
0
90
3
4
4
3
4
19.5
4
5
5.6
4
5
oø
3.5
4
2
5.6
13.22
5
213.2
5
3.5
2
oø
TemperatureTemperature
(C)
(C)
14.3
3.5
4
14.3
3.5
4
Solder pad layout: Option D2
Time (ms)
Time
5) Test Circuit
V5 or V3
R1
6) Output Signal Wave Form
HC-MOS
7) Typical L performance
Temperature Range C
-40°C to +85°C
Test Conditions
• Still Air Flow
• Thermal Gradient < 30°C/hour
• Nominal Supply Voltage
Warm-up (Re-Stabilization)
Test Conditions
• Ambient Temperature 25°C ,
Still Air Flow
• Frequency relative to that 1 hour after turn-on, following 24 hours off time
• Nominal Supply Voltage
Typical Aging
Phase Noise
(typical, Static Conditions)
BW = 1Hz
10Hz
100Hz
1kHz
10kHz
100kHz
10MHz
-110
-140
-155
-160
-160
100MHz
-90
-120
-140
-153
-158
dBc/Hz
Short Term Stability
Typical results *Sinus Output 10MHz*
5V version
Sigma Tau Bench Test
Test Conditions
• Ambient temperature 25°C Still Air Flow
• Static Conditions (no vibrations)
• Nominal Supply Voltage
Micro Crystal AG
Mühlestrasse 14
CH-2540 Grenchen
Switzerland
Tel. +41 32 655 82 82
Fax +41 32 655 82 83
sales@microcrystal.com
www.microcrystal.com
Version 9.0/11.2012