CCHD-957 Datasheet, PDF (2/2 Pages) Crystek Corporation – Ultra-Low Phase Noise Oscillator with Standby Mode

CCHD-957 Model
9×14 mm SMD, 3.3V, HCMOS
Frequency Range:
10 MHz to 50 MHz
Temperature Range:
0°C to +70°C
(Option M)
-20°C to +70°C
(Option X)
-40°C to +85°C
Storage:
-45°C to 90°C
Input Voltage:
3.3V ±0.3V
Input Current:
15mA Typ., 25mA Max
Input Current (Disabled Mode): 1.5mA Max
Output:
HCMOS
Developed
Frequencies
Symmetry:
Rise/Fall Time:
Logic:
45/55% Max @ 50%Vcc
3nsec Max @ 20% to 80% Vcc
“0” = 10% Vcc Max
“1” = 90% Vcc Min
22.5792 MHz
24.576 MHz
45.1584 MHz
Load:
15pF
49.152 MHz
Output Current:
±24mA Max
Disable Time:
200ns Max
Start-up Time:
1ms typ., 2ms Max
Pin 1 Disable Current:
-350µA Max
Phase Noise:
-100 dBc/Hz Typ., -95 dBc/Hz Max at 10Hz offset
Phase Noise Floor:
-169 dBc/Hz Typ., -165 dBc/Hz Max
Sub-harmonics:
Aging:
None
<3ppm 1^st/yr, <1ppm thereafter
CCHD-957 Options:
Temperature Range:
0°C to +70°C (±20ppm, ±25ppm, ±50ppm)
-20°C to +70°C (±25ppm, ±50ppm)
-40°C to +85°C (±25ppm, ±50ppm)
Part Number Example:
CCHD-957X-25-49.152 = 3.3V, 45/55, -40°C to +85°C (±25ppm), 49.152 MHz
RECOMMENDED REFLOW SOLDERING PROFILE
260°C
217°C
Ramp-Up
3°C/Sec Max.
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
200°C
150°C
0.560
(14.2)
CRYSTEK
0.360
CCHD-957
(9.14)
Frequency
Date Code
0.210
(5.3)
0.560
(14.2)
Preheat
180 Secs. Max.
8 Minutes Max.
90 Secs. Max.
260°C for
10 Secs. Max.
NOTE: Reflow Profile with 240°C peak also acceptable.
Tri-State/Standby Function
Function pin 1
Output pin
Open
"1" level 0.7×Vcc Min
"0" level 0.3×Vcc Max
Active
Active
High Z
Pad Connection
1
E/D
2
GND
3
OUT
4
Vcc
0.040
(1.01)
1
2
4
3
0.070
(1.77)
0.200
(5.08)
SUGGESTED PAD LAYOUT
0.050
(1.27)
0.090
(2.28)
0.280
(7.11)
0.200
(5.08)
Rev: D
Date: 22-Jan-12
Page 2 of 2
CRYSTEK
CORPORATION
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: [phone] • 800-237-3061
Fax: [phone] • www.crystek.com