PCF2120_1

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 01 — 5 February 2008

7 of 14

NXP Semiconductors

PCF2120

Quartz oscillator

13. Application information

You can mount the PCF2120 oscillator together with the quartz crystal as an accurate and

pre-tuned quartz oscillator in one package.

Fig 7.

Supply current as a function of ambient temperature

−40

120

80

040

001aaf637

0.85

0.90

0.80

0.95

1.00

(

µA)

0.75

(1) Do not connect pin TEST; it is chip-internally connected.

Fig 8.

Application diagram

001aaf632

10 nF

OSCO

32 kHz

OSCI

CLKOUT

CLKOE

PCF2120

CL(itg)