M4T28-BR12SH, M4T32-BR12SH

DC and AC parameters

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3

DC and AC parameters

This section summarizes the operating and measurement conditions, as well as the DC and

AC characteristics of the device. The parameters in the following DC and AC characteristic

tables are derived from tests performed under the measurement conditions listed in the

relevant tables. Designers should check that the operating conditions in their projects match

the measurement conditions when using the quoted parameters.

Table 3.

Operating and AC measurement conditions

Parameter

M4T28-BR12SH

M4T32-BR12SH

Unit

2.8

V

Nominal battery capacity

48

120

mAh

Battery chemistry

Li(CF)

Li(CF)

12.5

12.5

pF

Nominal crystal frequency

32.768

32.768

kHz

Crystal accuracy (at 25°C)

± 35

± 35

ppm