ELECTRICAL CHARACTERISTICS
(T
OP
= -40 to 110°C; V
S
= 4.5 to 5.5V; Dominat: VTXO = GND; Re-
cessive: VTXO = V
S
; All voltages, except bus voltage, are defined with respect to pin 2. Positive currents
flow into the IC unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
Supply Voltage 4.5 5 5.5 V
I
S
Supply Current Dominant 80 mA
Recessive 20 mA
TRANSMITTER SECTION
(R
A
= 60
Ω
between C_H and C_L)
C
TXO
TXO Input Capacitance 0V < V
TXO
< V
S
25 pF
V
TXO
TXO High Level Input Voltage 0.7 V
S
V
S
TXO Low Level Input Voltage 0 0.3 V
S
I
TXO
TXO High Level Input Current V
TXO
= V
S
-2 0 2 µA
TXO Low Level Input Current V
TXO
= GND -275 0 -25 µA
C
ASC
ASC Input Capacitance 0V < V
ASC
< V
S
25 pF
V
ASC
ASC Input Voltage for High
Speed
0 0.1 V
S
ASC Input Voltage for Low Speed 0.9 V
S
VS
I
ASC
ASC Input Current V
ASC
= V
S
25 275 µA
V
ASC
= 0V -2 0 2 µA
V
C_H
, V
C_L
Bus Voltage Recessive Recessive 0.4 V
S
0.5 Vs 0.6 Vs
I
C_H
, I
C_L
Leakage Current Recessive VC_L = V
C_H
= -2 to 7V -0.7 0.7 mA
V
C_L
= V
C_H
= 1 to 4V -0.3 0.3 mA
R
IN(C_H
,
C_L)
Input Resistence Recessive 5 50 KΩ
R
Diff(C_H
,
C_L)
Differential Input Resistence Recessive 10 100 KΩ
V
Diff
=
V
C_H
- V
C_L)
Differential Output Voltage Dominant, R
A
1.5 3 V
V
Diff
=
V
C_H
- V
C_L)
Differential Output Voltage Recessive -500 0 50 mV
t
d
Short Circuit Detection Time
C_H to C_L ; C_H to B
R
CS
< 1Ω 1510µs
I
A
Supply Current in Case of Short
Circuit, C_H to C_L, C_H to B
(time = t
d
)
150 mA
V
C_Lmax
Overvoltage Protection
Threshold on C_L
7810V
RECEIVE SECTION
V
RXO
RXO High Level Output Voltage V
Diff
< 0.5V; I
RXO
= 0.3mA;
V
C_H
= -2 to 7V; V
C_L
= -2 to 7V;
0.9 V
S
Vs V
RXO Low Level Output Voltage V
Diff
> 0.9V; I
RXO
= 1mA;
V
C_H
= -2 to 7V; V
C_L
= -2 to 7V;
0.5 V
V
S
=
V
C_H
-V
C_L
Input Signal Threshold V
C_H
= -2 to 7V; V
C_L
= -2 to 7V; 500 700 900 mV
V
COM
= (V
C_H
+V
C_L
)/2
Input Common Mode Voltage
Range
-2 7 V
V
HYS
Differential Input Hysteresis 150 mV
REFERENCE OUTPUT
V
RX1
Reference Voltage I
RX1
= 0 0.45 V
S
0.5 V
S
0.55 V
S
V
R
RX1
Output Resistance 2 9 KΩ
L9615
3/8
