TP-UART-IC

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25.15.10.41.33a

25.10.01

page

3

1

The ANALOG - PART

1.1

General Device Specification

1.1.1 Absolute Maximum Ratings

All voltages are referring to VB-. Currents are declared positive in case of flowing into pin.

Symbol

Parameter

Min

Max

Unit

Note

VB+

positive line voltage

-0.5

45

V

1)

positive voltage supply (internal or external supply)

-0.5

7

V

2)

positive external voltage supply

-0.5

7

V

2)

interstate voltage (generated by on-chip regulator)

-0.5

13

V

2)

voltage on pin Tx0

-0.5

45

V

1)

voltage on pin RxIN

-15

45

V

1) 4)

voltage on low voltage pins MODE0, MODE1, TSTIN,

TESTMODE

-0.5

V

voltage on low voltage pins TxD, RESn, TSTOUT, X1,

X2, RxD

-0.5

V

ϑ

j

junction temperature

170

ο

C

ϑ

S

storage temperature

-65

170

ο

C

max. ESD stress voltage

± 1000

V

3)

static current for latchup initialization

± 50

mA

thermal resistance of the SOIC-20 package

58.5

71.5

K/W

maximum power dissipation

1

W

1) During surge impulse is allowed and guaranteed by ext. elements:

-20 V for

2 µsec and

65 V for 150 µsec

2) Allowed voltage relations:

3) Human body model: 100 pF, 1.5 k

Ω

1.1.2 Recommended Operating Conditions

Symbol

Parameter

Min

Max

Unit Note

VB+

positive line voltage

20

33

V

1)

positive voltage supply for external supply

(digital test modes with SHB = 0)

4.75

5.25

V

positive external supply voltage

3.0

5.25

V

ϑ

amb

ambient temperature

-25

85

ο

C

clock frequency (external quartz)

4.9152

MHz

1) DC voltage of bus, with signal and compensation pulse 11 V ... 45 V

1.1.3 Humidity Level

The valid susceptibility against humidity is described by JEDEC JESD22-A112, table 1, level

5.