CMC20815BV26-32.768 datasheet(1/5 Pages) RALTRON

Part #	CMC20815BV26-32.768

Description	Ultra Low Power 32.768KHz

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Manufacturer	RALTRON [Raltron Electronics Corporation]

Direct Link	http://www.raltron.com

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Ultra Low Power 32.768KHz

MEMS Oscillator

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CMC208-SERIES

R A L T R O N E L E C T R O N I C S

 1 0 4 0 0 N .W . 3 3 rd S t  M i a m i , F l o r i d a 3 3 1 7 2  U . S . A .

phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: sales@raltron.com  internet: http://www.raltron.com

■ Ultra Low power: < 1A

■ Fixed 32.768 kHz

■ No Supply Voltage external bypass capacitors required

■ XTAL replacement in 2.0 mm x 1.2 mm SMD

■ SMD package 2.0 x 1.2 mm

PARAMETER

SYMBOL

CONDITION

VALUE

UNIT

Min.

Typ.

Max.

Frequency nominal

f0

32.768

kHz

Supply Voltage

Vs

Ta = -10°C to +70°C

Ta = -40°C to +85°C

1.2

1.5

3.63

V

Core Supply Current

Is

Vs = 1.8V, no load condition,

Ta = 25°C

Vs = 3.63V max, Ta = -10°C to +70°C

no load condition

Vs = 3.63V max, Ta = -40°C to +85°C

no load condition

Is does not include output stage

current or load. To derive total

operating current( no load) ,add

Is+(0.065

A)(peak to peak output

Voltage swing )

0.9

1.3

1.4

A

A

A

Output Stage Supply Current

Is0ut

Vs = 1.5V~3.63V max,

Ta = -40°C to +85°C,no load condition

0.065

0.125

A/Vpp

Operating Temperature

Ta

Commercial

Industrial

-10

-40

+70

+85

C

°C

Frequency Tolerance

Δf/f0

After two reflows, at 25°C

Vs=1.5V ~ 3.63V

20

ppm

Frequency Stability

Δf/f0

Ta = -10°C to +70°C, Vs=1.5~3.63V

Ta = -40°C to +85°C, Vs=1.5~3.63V

Ta = -10°C to +70°C, Vs=1.2~1.5V

Measured peak to peak, inclusive of

initial tolerance at 25°C, variations over

operating temperature range, rated

supply voltage and load

75

100

250

ppm

Power supply Ramp

Ta = -40°C to +85°C, 0 to 90% Vs

100

ms

Start-up Time

T START

Ta = -

40°C ≤ Ta ≤ +50°C, valid output

Ta

= 50°C ≤ Ta ≤ +85°C, valid output

180

300

450

ms

ELECTRICAL SPECIFICATIONS

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