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KNX EIB TP-UART 2-IC
voltage on pin IND
voltage on low voltage pins
MODE0, MODE1, MODE2,
MODE3, TSTIN_BDS,
TESTMODE, DIV, SVCC, CTM
voltage on low voltage pins TxD,
RESn, TSTOUT_TW, X1, X2,
RxD, SAVE
Internal supply voltage to digital
part
voltage used for internal DC/DC-
converter
voltage used for internal DC/DC-
converter
Ambient temperature
Junction temperature
storage temperature
ESD stress voltage that will not
cause damage to the device
static current for latchup
initialization
thermal resistance of QFN
package to ambient
thermal resistance of QFN
package to package surface
measured on exposed paddle
Total power dissipation at T
ο
85
C (all supplies and outputs)
%! B
' . #
.#
& . $ B 1 2 / 6%# F
+ ,
+ ,
& # ! .$ # $ $ % = ' ;%$ !
(a) V
≥ VB+; e.g. VB+ = 0 V due to a short circuit
VSP
(b) V
≥ V
e.g. V
V20
VSP;
(c) V
≥ V
e.g. V
VCC
VSP;
(d) V
≥ V
; e.g. when an external supply for V
IF
VCC
(e) V
and V
CC
VSP
(f) V
normal / V
VSP
+ , /
%# $ C /
+>, /
≥ / / G
>.
4%' 7 %' $ B 22 & :
+-,
' 7
;
I 38
+3,
%& # ! % : 7 4 ' % = !% 1 2 /
+ ,
< 8 /
+ ,
.#
! % ' ! %
Siemens AG
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems
P. O. Box 10 09 53,
D-93009 Regensburg
V
IND
V
LV1
V
LV2
V
VDP
V
VDDH
V
VSSH
T
amb
T
j
T
S
V
ESD
I
LATCHUP
R
tha
R
ths
=
P
amb
t
Table 4 Absolute maximum ratings
' 0 / 6%
# $ ! % + % '
= 0 V due to a short circuit or VB+ = 0 V
VSP
= 0 V due to a short circuit or VB+ = 0 V
VSP
normal / VB+ and V
IF
, VB+ and V
can be 0 V
CC
IF
: /(0 ' /
4 2 /
/
'.#
%# $ ! #!.& H.
Ω: $ !' ""-: !>%' -2 8
%6 = ! > 1% C%66 !> 4. ;%$ ! : % & $
%# '
= !>
CJ
Subject to change without further notice.
-0.3
50
-0.3
V
+0.5
DP
-0.3
V
+0.5
IF
-0.3
5
-0.3
50
-0.3
50
-25
85
145
-65
150
± 1200
± 50
28
5
1.4
# 2 F
. ' # 6%$ $ % =
;%$ !
is used and VB+ = 0 V
IF
can be 0 V
1 / $ .
pages 42
© Siemens AG 2012
GAMMA instabus
Release: February 2012
V
V
9)
V
5)
V
V
V
ο
C
ο
C
ο
C
V
3)
mA
K/W
6)
K/W
6)
W
TW not active 7)
# $ ! % ,B
= !> /
! %# $
! ! % $ 7
Technical Manual
page 9
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