20
FN6362.0
May 27, 2008
Typical Performance Curves VCC = VL = 3.3V, TA = +25°C; Unless Otherwise Specified
FIGURE 14. RECEIVER OUTPUT CURRENT vs RECEIVER
OUTPUT VOLTAGE
FIGURE 15. RECEIVER HIGH OUTPUT VOLTAGE vs LOGIC
SUPPLY VOLTAGE (VL) (QFN ONLY)
FIGURE 16. RS-485, DRIVER OUTPUT CURRENT vs
DIFFERENTIAL OUTPUT VOLTAGE
FIGURE 17. RS-485, DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs TEMPERATURE
FIGURE 18. RS-485, DRIVER OUTPUT CURRENT vs SHORT
CIRCUIT VOLTAGE
FIGURE 19. SUPPLY CURRENT vs TEMPERATURE
RECEIVER OUTPUT VOLTAGE (V)
RECEIVER
OUTPUT
CUR
RE
NT
(mA)
0
5.0
10
15
20
25
30
0
VOH, +25 °C
VOH, +85 °C
VOL, +25 °C
VOL, +85 °C
12
3
3.3
VL (V)
HI
GH
OUT
P
UT
V
O
L
T
A
G
E
(
V
)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
1.5
2.0
2.5
3.0
IOH = -1mA
IOH = -2mA
IOH = -6mA
IOH = -0.5mA
3.3
DIFFERENTIAL OUTPUT VOLTAGE (V)
DRIV
E
R
OUTPUT
CURRENT
(m
A)
0
10
20
30
40
50
60
70
80
90
00.511.5
22.5
33.5
-40
0
50
85
TEMPERATURE (°C)
DIFF
ERENTI
AL
O
U
TPUT
VO
LTAG
E
(V)
-25
25
75
1.9
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
RDIFF = 54Ω
RDIFF = 100Ω
OUTPUT VOLTAGE (V)
-7 -6
-4
-2
0
2
4
6
8
10
12
OUTPUT
CURRENT
(m
A)
-150
-100
-50
0
50
100
150
200
250
Y OR Z = HIGH
Y OR Z = LOW
+25 °C
+85 °C
-40 °C
+25 °C
+85 °C
-40 °C
-40
0
50
85
TEMPERATURE (°C)
I CC
(mA)
-25
25
75
1
1.5
2.0
2.5
3.0
3.5
4.0
4.5
RS-232, RXEN = X, DEN = VL (IF QFN)
RS-485, DE = GND, RXEN = X
RS-485, HALF DUPLEX, DE = VCC, RXEN = X
RS-232, DEN = GND, RXEN = X (QFN ONLY)
RS-485, FULL DUPLEX, DE = VCC, RXEN = X
ISL3332, ISL3333