OC31T12S-100.000-0.01/0+60 [MERCURY]
Oscillator;
| 型号： | OC31T12S-100.000-0.01/0+60 |
| 厂家： | 
MERCURY UNITED ELECTRONICS INC |
| 描述： | Oscillator |
| 文件： | 总2页 (文件大小：161K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
OCXO (Oven Controlled Crystal Oscillators)
OC31T Series HCMOS Square Wave
+5.0V; +12V
MERCURY
Since 1973
Mercury OC31T is 36.2x27.2 mm 5 pin solder sealed metal pacakge
with 25.4x17.8 mm pin-to-pin spacing high stability low aging OCXO.
Besides standard AT cut crystal, users can also choose SC cut crystal
for better performance. 50 ohm load sine output is available as OC31E series.
OC30T series: Same package size as OC31T but with different pin configurations.
General Specifications ( 10 MHz at+25°C, at specified Vcc and +2.5 V Vcon)
Output Wave Form
Frequency Range
HCMOS square wave. Wave form code is “T”
1.25 MHz ~100.0 MHz
AT-cut. Use “A” for crystal code or SC-cut: use “S” for crystal code.
Type of Crystal Cut Used
SC has better performance but higher cost. See technical note TN-031.
+5.0 VD.C ±5% (voltage code is “5”); +12.0 V D.C ±5% (voltage code is “12”)
±0.5 ppm max. at time of shipment; Vcon=+2.5V, at +25°C
Supply Voltage (Vcc)
Initial Calibration Tolerance
Best Stability
For AT crystal
For SC crystal
0°C to +60°C
±0.03 ppm
±0.01 ppm
-20°C to +70°C
±0.08 ppm
±0.02 ppm
-40°C to +85°C
±0.2 ppm
±0.03 ppm
Operating Temperature Range
(custom spec. on request)
Aging (after 72 hours of
continuous operation)
AT:±3 ppb max./day; ±0.5 ppm max./first year;±3 ppm max. over 10 years.
SC: ±2 ppb max./day; ±0.1 ppm max./first year;±0.5 ppm max. over 10 years.
Supply Voltage ±5% Variation ±20 ppb max.
Load ±5% variation:
±20 ppb max.
AT: 3 minutes max. Within ±0.5 ppm of its reference frequency.
SC: 1 minute max. Within ±0.1 ppm of its reference frequency.
Warm-up time (at +25°C)
AT: ±5 ppm min. ±20 ppm max.;
SC: ±0.5 ppm min, ±2 ppm max.
Referenced to fo at +25°C and over
operating temperature range.
Freq. Deviation Range
Control Voltage Range
Transfer Function
Input Impedance
2.5 V ± 2.0 V
Positive: Increasing control voltage increases output frequency.
EFC Linearity
100 K ohms min. ±10% max.
+5.0 V units: 200 mA max. at steady-state; 500 mA max. at turn-on.
+12.0 V units: 120 mA max. at steady-state; 250 mA max. at turn-on.
Power
Output
Power Dissipation (at +25°C)
Load (Fan out)
15 pF HCMOS max.
+4.5 V min.
Duty Cycle (measured at 50%Vcc) 50% ± 10%
+0.5 max.
Output Voltage Logic High (VOH)
Rise and Fall Time
Reference Voltage Output
Offset
Output Voltage Logic Low (VOL)
5 nS max. (measured at 20% ⇄ 80% of waveform)
+4.0 VD.C±0.3 V D.C. or custom.
1 Hz
10 Hz
100 Hz
1 KHz
10 KHz
Phase
Noise
10 MHz AT-cut XTAL
-75 dBc
-85 dBc
-100 dBc
-120 dBc
-130 dBc
-140 dBc
-140 dBc
-145 dBc
-150 dBc
-150 dBc
10 MHz SC-cut XTAL
Storage Temperature
Shock
-55°C to +125°C
2000 G’s, 0.3 ms ½ sine
10 to 2000 Hz / 10 G’s
Vibration
MERCURY
www.mercury-crystal.com
Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: sales-tw@mercury-crystal.com
U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: sales-us@mercury-crystal.com
MERCURY
Page 1 of 2
Date: July 20, 2006
Rev. 0
OCXO (Oven Controlled Crystal Oscillators)
+5.0V; +12V
MERCURY
Since 1973
OC31T Series
HCMOS Square Wave
OC31T Test Circuit
Bottom view
T2
Frequency counter
Oscilloscope
T1
A
80%
50%
20%
+
-
+
0.1uF
Vcc
V
-
*
15 pF
+
Vcon
T1
-
Tr
* Include probe, fixture and stray capacitances
Tf
Duty Cycle =
*100%
T2
OC31T Series Package Dimensions and Pin Connections:
unit mm
Pin 3: Supply Voltage
Pin 1: Voltage Control EFC
Pin 4: RF Output
Pin 2: Reference Voltage Output
Pin 5: Ground / Case
Part Number Format and Example:
Example: OC31T5S-10.000-0.01/-20+70
OC 31
n o
T
5
S
r
—
dash
10.000
s
—
dash
0.01
t
⁄
-20+70
u
slash
p q
n: “OC” Product Prefix for OCXO
o: Package type. “31” for OC31 package
p: Output wave form code. “T” for HCMOS square wave output..
q: Supply voltage code. “5” for +5.0V; “12” for +12.0V
r: Crystal type. Use “A” for AT-cut crystal; Use “S” for SC-cut crystal.
s: Frequency in MHz;
t: Frequency stability in ppm;
u: Operating temperature range: -20°C to +70°C in this case.
MERCURY
Page 2 of 2
Date: July 20, 2006
Rev. 0
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