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SX7KVTM

32.768 KHZ SURFACE MOUNT VCTCXO

FEATURES

Miniature package
32.768 kHz VCTCXO
Low cost
Applications: Real time clocks,…

7.0 x 5.0 x 2.3 mm

SX7KTM

Item

Specification

Frequency Range

32.768 kHz

CMOS

Supply Voltage Vdd (see options)

+3.3V ±5%

+5.0V ±5%

Supply Current Idd

8.0 mA max.

10.0 mA max.

Frequency Tolerance

±2.0 ppm at 25°C ±2°C (one hour after reflow)

Frequency Stability vs Temperature
(see options)

	±0.5 ppm	±1.0 ppm	±1.5 ppm	±2.0 ppm	±2.5 ppm	±3.0 ppm
-10° to +60°C	◊	o	o	o	o	o
-20° to +70°C	x	o	o	o	o	o
-30° to +85°C	x	o	o	o	o	o
-40° to +85°C	x	o	o	o	o	o

o = availabe

◊ = please contact us

x = not available

Frequency Stability vs Aging

±1.0 ppm max. per year at 25°C

Frequency Stability vs Voltage Change

±0.3 ppm max., for a ±5% input voltage change

Frequency Stability vs Load Change

±0.3 ppm max., for a ±10% load condition change

VOH ≥ 0.9 Vdd

VOL ≤ 0.1 Vdd

15 pF

45 / 55 %

Rise Time / Fall Time Fr/Ff

3 ns typ.

Start-up Time

5 ms typ., 10 ms max.

Voltage Control Function

Control Voltage Range	Center voltage +1.5 V, range ±1.0V
Frequency Pulling Range	±5 ppm min.
Linearity	10 % max.
Slope Polarity	Positive
Input Impedance	10 kΩ min.
Modulation Bandwidth	3 kHz min. (at -3 dB)

Packing Unit

1000pcs / reel

Soldering Condition

260°C, 10 sec x2 max

Customer specifications on request

OPTIONS & ORDERING INFORMATION

SX7KVTM	......................	......................	- ............................ -	......................	......................	................. -	32.768 kHz
	Supply Voltage	Operating Temp. *	Temperature Stability *	Tri-state Function	Package type	Pulling *
	33 = +3.3V	D = -10° / +60°C	0.5 = ±0.5 ppm	F = No Tri-state	4P = 4-pad version	05 = ±5 ppm
	50 = +5.0V	F = -20° / +70°C	1.0 = ±1.0 ppm
		H = -30° / +85°C	1.5 = ±1.5 ppm
		K = -40° / +85°C	2.0 = ±2.0 ppm
			2.5 = ±2.5 ppm
			3.0 = ±3.0 ppm

(*) Note : Not all combinations are possible, please consult us.

OUTLINE DIMENSIONS

SX7KTM-dimensions

Pin Connections

#1 : Control voltage

#2 : GND

#3: Output

#4 : Vdd