Revision 1.0 (Confidential)

5

5.0 Product Status Definitions

6.0 National Semiconductor B.V reserves the right to make

changes without notice to any products herein to improve

reliability, function or design. National does not assume any

liability arising out of the application or use of any product or

circuit described herein; neither does it convey any license

under its patent rights, nor the right of others.

3.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)

4.For pads with the protection circuit enabled, the protection current must be limited with external

source resistor Rext if the input voltage exceeds 0.4V resp 1.4V. Rext can be calculated as follows:

Rext >(Vext-1.4)/Iprotxxx).

5.Within this temperature range full operation is guaranteed.Upto +70 degrees Celsius analog perfor-

mance is not guaranteed.

Datasheet Status

Product Status

Definition

Advance Information

Formative or in Design

This data sheet contains the design specifications for

product development. Specifications may change in any

manner without notice.

Preliminary

First Production

This data sheet contains preliminary data. Supplementa-

ry data will be published at a later date. National Semi-

conductor Corporation reserves the right to make

changes at any time without notice in order to improve

design and supply the best possible product.

No Identification Noted

Full production

This data sheet contains final specifications. National

Semiconductor Corporation reserves the right to make

changes at any time without notice in order to improve

design and supply the best possible product.

Obsolete

Not in Production

This data sheet contains specifications on a product that

has been discontinued by National Semiconductor Cor-

poration. The datasheet is printed for reference informa-

tion only.