OPERATING POWER SUPPLY VOLTAGE
RANGE 4.8V ≤
VS≤ 36V (40V FOR TRAN-
SIENTS)
REVERSE SUPPLY (BATTERY) PRO-
TECTED DOWNTOV
≥ -24V
S
STANDBYMODE WITHVERYLOWCURRENT
CONSUMPTIONIS
≤ 1µA@VCC≤0.5V
SB
MIN POSSIBLE BAUD RATE ACCORDING
TO ISO9141 ≥ 130KBAUD
TTL COMPATIBLETX INPUT
BIDIRECTIONAL K-I/O PIN WITH SUPPLY
VOLTAGEDEPENDENTINPUTTHRESHOLD
OVERTEMPERATURE SHUT DOWN FUNC-
TION SELECTIVETO K-I/O PIN
WIDE INPUT AND OUTPUT VOLTAGE
RANGE -24V≤ VK ≤ VS
KOUTPUTCURRENT LIMITATION,TYPIK= 60mA
DEFINEDOFF OUTPUT STATUS IN UNDER-
VOLTAGE CONDITION AND VS OR GND INTERRUPTION
CONTROLLEDOUTPUTSLOPEFORLOWEMI
HIGH INPUT IMPEDANCE FOR OPEN VS
OR GND CONNECTION
BLOCK DIAGRAM
L9613B
DATA INTERFACE
SO8
ORDERING NUMBERS: L9613B013TR (TAPE&REEL)
L9613B (TUBES)
DEFINED OUTPUT ON STATUS OF LO OR
RX FOR OPEN LI OR K INPUTS
DEFINED K OUTPUT OFF FOR TX INPUT
OPEN
INTEGRATED PULL UP RESISTORS FOR
TX, RX AND LO
EMI ROBUSTNESSOPTIMIZED
DESCRIPTION
The L9613B is a monolithicintegrated circuit containing medium speed data interface functions.
November 1999
VS
LI
RTX
K
IK
OFF
IK
T
jMON
SC
+
-
RLO
1,75V
RRX
TX
RX
+
VCC
-
ILI
+
LO
GND
1/10
L9613B
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
Supply Voltage
ISO transient t ≤ 400ms
V
CC
/dt Supply Voltage Transient -10 to +10 V/µs
dV
S
V
LI,K
V
LO, RX, TX
* max ESD voltages are +/-2KV with human body model C=100pF, R=1.5KΩ corresponds to maximum energy
Stabilized Voltage -24V to 7 V
Pin voltage -24 to V
Pin voltage -24 to V
PIN CONNECTION
-24 to +36
-24 to +40
S
CC
V
V
V
V
RX
LO
VCC
TX
1
2
3
4
8
7
6
5
LI
VS
K
GND
THERMAL DATA
Symbol Parameter Min. Typ. Max. Unit
T
T
R
JSDon
JSDoff
th(j-a)
Temperature shutdown switch-on-threshold 160 200 °C
Temperature shutdown switch-off-threshold 150 °C
Thermal steady state junction to ambient resistance 130 155 180 °C/W
PIN FUNCTIONS
N. Name Description
1 RX Output for K as input
2 LO Output L comparator
3 VCC Stabilized voltage supply
4 TX Input for K as output
5 GND Common GND
6 K Bidirectional I/O
7 VS Supply voltage
8 LI Input L comparator
2/10
L9613B
ELECTRICAL CHARACTERISTICS (The electrical characteristics are valid within the below defined
OperatingConditions, unless otherwise specified).
The function is guaranteedby design until T
V
S
V
CC
T
J
Symbol Parameter Test Condition Min. Typ. Max. Unit
VTX
Note 1) For external supplied output currentslower than this value a series protection diode can become active. See also Fig. 4 and 5.
Supplyvoltage 4.8 V... 18 V
Stabilizedvoltage 3 V... 7 V
Junctiontemperature -40 °C... 150°C
I
CC
IS
ON
IS
SB
VK
low
VK
high
VK
hys
IK
OFF
RK
ON
IK
SC
VK
sat
VTX
RRX
RLO
VRX
VLO
IRX
ILO
RTX Input pull up resistance Output status = (HIGH)
RTX Input pull up resistance -0.15V≤VTX≤VCC + 0.15V
VLI
low
VLI
high
ILI Input current VS, VCC ≥ 0V or
Supply VCCCurrent V
Supply VS Current VLI,VTX = 0V 3.5 10 mA
Input Voltage LOW State RX output status LOW -24 0.40VS V
Input Voltage HIGH State RX output status HIGH 0.60VS VS V
Input Threshold Hysteresis VK
Input Current VTX ≥ VTX
Output ON Impedance @ V
Short Circuit Current VS≥ 6.5V 40 60 150 mA
Output Saturation Voltage RKO= 1.5K
Input Voltage
low
LOW State -24 1 V
Input Voltage
high
HIGH State 3.5 VCC V
Output ON Impedance VK ≤ VK
ON
ON
Saturation Output Voltage No external load 1 V
sat
sat
Output short circuit current VS≥ 6.5V
SC
SC
Input voltage LOW state LO output status LOW -24 0.40VS V
Input voltage HIGH state LO output status HIGH 0.60VS VS V
temperatureshutdownswitch-on-threshold.
JSDon
5.5V
≤
CC
VLI, VTX = 0V
VK≥VK
VLI≥VLI
VTX = V
high
high
CC
-5 40 150
@VCC≤ 5.5V
= 0.5V
V
CC
@V
12V 3)
≤
S
VCC= 0.5V, see fig. 5
@V
≤16V
S
-VK
high
V
S
V
≥ 6.0V
S
VS,V
V
CC
VTX ≤ VTX
low
8.0V
≥
high
CC
0V or V
≥
,
S
= open or GND = open
6.5V
≥
S
IK ≥ 7mA 1)
low
0.2
0.08
-5 4 40 µA
Ω
; VLI ≤ VLI
low
6.5V; I
V
≥
S
RX,LO
≥
low
1mA
92050mA
51018k
T
85°C
≤
A
-0.15V ≤ VLO ≤ VCC + 0.15V
-0.15V≤VRX≤VCC + 0.15V
10 20 40 k
T
125°C
≤
amb
-5 4 40 µA
VS, VCC = open or
GND = open
1.4 2.5 mA
µ
<1 50
100
µ
µ
0.05VS 1.0 V
10 30
1V
40 90 Ω
A
A
A
V
Ω
Ω
Ω
3/10