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VTC1

Voltage Controlled Temperature Compensated Crystal Oscillator

Vectron International 

VTC1 Data sheet

Table 2. Electrical Performance for the CMOS Output Option

Parameter

Symbol Min

Typical Maximum Units

Frequency

Supply Voltage

Maximum Supply Voltage

fO

10.000

40.000

MHz

3.3V±5%

VDC

7

VDC

Supply Current

IDD

Output Level 2

10.0

mA

Logic High

Logic Low

Drive High

Drive Low

Rise and Fall Time3

Output Load

VOH

0.9*VDD

V

VOL

0.1*VDD

V

IOH

-4

mA

IOL

4

mA

tR/tF

3

ns

15pf

Duty Cycle, @ 50%

45/55

%

Control Voltage Impedance

Control Voltage to reach pull

ZVc

100

0.5

Kohm

2.5

V

Pull Range

TPR

±5, ±8, ±10

ppm

Ordering option, see last page

Temperature Stability

±0.5 to ±5.0

ppm

Ordering option, see last page.

Initial Accuracy, “No Adjust” option4

±1.0

ppm

Power Supply Stability

±0.3

ppm

Load Stability

±0.2

ppm

Aging

±1.0 ppm/year

Operating temperature

Ordering option, see last page

0/55, -10/60, -20/70, -30/80, -40/85 °C

Phase Noise, 12.800MHz

dBc/Hz

10 Hz offset

-93

100 Hz offset

-123

1 kHz offset

-147

10 kHz offset

-155

100 kHz offset

-158

Start-up time

2

ms

1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.

2. Output is DC coupled.

3. Rise and Fall time is measured at 20/80% levels

4. Initial Accuracy is +/-2.0ppm after 2 IR reflows.

Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com

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