V3022 EMMICRO [EM Microelectronic - MARIN SA], V3022 Datasheet - Page 3

• Manufacturer Part Number: V3022
• Description: Very Low Power 8-Bit 32 kHz RTC Module with Digital Trimming and High Level Integration
• Manufacturer: EMMICRO [EM Microelectronic - MARIN SA]

Typical Standby Current at V
Typical Frequency on IRQ
Module Characteristic
Copyright © 2004, EM Microelectronic-Marin SA
R
DD
= 5 V
∆F/F
T
T
To determine the clock error (accuracy) at a given
temperature, add the frequency tolerance at 25°C to the
value obtained from the formula above.
∆
F
O
O
3
F
= -0.038
O
=
=
=
the ratio of the change in frequency to the
nominal value expressed in ppm (it can be
thought of as the frequency deviation at any
temperature)
the temperature of interest in °C
the turnover temperature (25 ± 5°C)
ppm
°
C
2
(T – T
O
)
2
± 10%
www.emmicroelectronic.com
V3022
Fig. 3
Fig. 4
Fig. 5