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(Confidential) Revision 1.0

5.The protection current can be calculated as follows:

In case P1[6]/PON, P1[7]/CHARGE, VBAT3, P2[3]/ADC1 is input, Iprotxxx_max = (Vext -

2.55)/(500+Rext)

Rext is an external resistor which is needed if the external voltage Vext exceeds the 2.8V.

(A lower protection current value of e.g. 100 uA is recommended in case power saving is important)

In case P1[6]/PON, P1[7]/CHARGE , P2[3]/ADC1 is output, Iprotxxx_max = (VDDIO - 2.55)/(500)

1.Within the specified limits, a life time of 10 years is guaranteed.

PARAMETER

DESCRIPTION

CONDITIONS

MIN

TYP

MAX

UNITS

Vbat1

Battery supply voltage VBAT1-AVS

2.0

5.0

V

Vbat2

Battery supply voltage VBAT2-AVS

2.8

5.0

V

Vdd

Digital core supply voltage

VDD-VSS

2.Full operating mode; the differences between AVD, VDD may never be more than 300mV; during a

short period of time e.g. during power up more than 300mV difference is allowed. Analog performance

is only guaranteed from 1.75-1.98V

1.75

1.8

1.98

V

Avd

Analog core supply voltage

AVD-AVS

1.75

1.8

1.98

V

Avd2

Analog core supply voltage

AVD2-AVS

1.75

1.8

1.98

V

Vddrf

Analog xtal and RFCLK supply

voltage VDDRF-VSSRF

1.75

1.8

1.98

V

Vddiof

Digital I/O supply voltage VDDIO-VSS

for devices with FLASH

2.5

2.65

2.8

V

Vddio

Digital I/O supply voltage VDDIO-VSS

for devices without FLASH

1.75

3.3

V

Vdcs

Voltage on DC_Sense pin

2.0

V

Vpon

Voltage on PON

2.8

V

Vcharge

Voltage on CHARGE

2.8

V

Vbat3

Voltage on VBAT3

2.8

V

Vadc1

Voltage on ADC1

2.8

V

Vprot_mic

Voltage on pins MICn, CIDp/n if protec-

tion enabled

0.4

1.4

V

Iprotpon

Current through protection circuit of PON

pin.

0.5

mA

Iprotcharge

Current through protection circuit of

CHARGE pin.

0.5

mA

Iprotvbat3

Current through protection circuit of

VBAT3/RINGING pin.

0.5

mA

Iprotadc1

Current through protection circuit of

ADC1 pin.

0.5

mA

Vldo1_ctrl

Voltage on LDO1_CTRL

5.0

V

Vldo2_ctrl

Maximum voltage on LDO2_CTRL

5.0

V

Fpll_range

PLL operating range

28

48

MHz

TA

Ambient temperature

-10

60

°C