Document No. 008-0541-0 Page 1 - 3 Rev. A
www.ctscorp.com
Model 581
Stratum 3 Performance
Temperature Compensated Crystal Oscillator
ORDERING INFORMATION
581
FREQUENC
1] Only available with temperature range codes "W" and "H".
2] Only available with temperature range codes "W", "H" and "C".
SUPPLY VOLTAGE
PACKAGING OPTIONS
R = +3.0Vdc
L = +3.3Vdc
S = +5.0Vdc T - 1k pcs./reel
FREQUENCY TUNING [AFC]
Product Frequency Code
[3 digits]
T = No AFC [TCXO]
A = ±5ppm - ±8ppm [VCTCXO]
Refer to document 016-1454-0, Frequency
Code Tables.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
OPERATING TEMPERATURE RANGE
FREQUENCY STABILITY *
W = 0°C to +55°C
H = -10°C to +60°C
C = -20°C to +70°C
D = -30°C to +85°C
I = -40°C to +85°C
X5 = ±0.05ppm
1
01 = ±0.10ppm
2
02 = ±0.20ppm
X2 = ±0.28ppm
05 = ±0.50ppm
* Frequency vs. Temperature Only
PACKAGING INFORMATION [reference]
Device quantity is 1k pcs. maximum per 180mm reel.
FEATURES
• HCMOS Output
• Optional Voltage Control for Frequency Tuning [VCTCXO]
• 5.0mm x 3.2mm Surface Mount Package
• Frequency Range 5 – 52 MHz
• Fundamental Crystal Design
• Operating Voltage, +3.3Vdc or +5.0Vdc
• Overall Frequency Stability ±4.6ppm
• Operating Temperature to -40°C to +85°C
• Tape & Reel Packaging Standard, EIA-418
• RoHS/Green Compliant [6/6]
APPLICATIONS
The Model 581 is a quartz based analog TCXO with a HCMOS output and optional frequency tuning.
M581 is suitable for applications requiring Stratum 3 performance such as base stations, small cells, 1588 and
Synchronous Ethernet timing, wireless communications, test and measurement.