ISL43485 Datasheet, PDF (3/11 Pages) Intersil Corporation – 3.3V, Low Power, 30Mbps, RS-485/RS-422

ISL43485
Absolute Maximum Ratings
V_CC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
Input/Output Voltages
A/Y, B/Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V
RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (V_CC +0.5V)
Short Circuit Duration
Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Thermal Information
Thermal Resistance (Typical, Note 1)
θ_JA (°C/W)
8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . .
170
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
(Lead Tips Only)
Operating Conditions
Temperature Range
ISL43485I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θ_JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications Test Conditions: V_CC = 3V to 3.6V; Unless Otherwise Specified. Typicals are at V_CC = 3.3V, T_A = 25°C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C) MIN
TYP MAX UNITS
DC CHARACTERISTICS
Driver Differential V_OUT (no load)
Driver Differential V_OUT (with load)
Change in Magnitude of Driver
Differential V_OUT for
Complementary Output States
V_OD1
V_OD2
∆V_OD
R_L = 100Ω (RS-422) (Figure 1A)
R_L = 54Ω (RS-485) (Figure 1A)
R_L = 60Ω, -7V ≤ V_CM ≤ 12V (Figure 1B)
R_L = 54Ω or 100Ω (Figure 1A)
Full
-
Full
2
-
V_CC
V
2.7
-
V
Full 1.5
2.3
V_CC
V
Full 1.5
2.6
-
V
Full
-
0.01 0.2
V
Driver Common-Mode V_OUT
Change in Magnitude of Driver
Common-Mode V_OUT for
Complementary Output States
V_OC
∆V_OC
R_L = 54Ω or 100Ω (Figure 1A)
R_L = 54Ω or 100Ω (Figure 1A)
Full
-
1.8
3
V
Full
-
0.01 0.2
V
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
V_IH
DE, DI, RE
V_IL
DE, DI, RE
I_IN1
DE, DI
RE
Full
2
-
-
V
Full
-
-
0.8
V
Full
-2
-
2
µA
Full -25
-
25
µA
Input Current (A/Y, B/Z)
Receiver Differential Threshold
Voltage
I_IN2
DE = 0V, V_CC = 0V or 3.6V
V_TH -7V ≤ V_CM ≤ 12V
V_IN = 12V Full
-
0.6
1
mA
V_IN = -7V Full
-
-0.3 -0.8 mA
Full -0.2
-
0.2
V
Receiver Input Hysteresis
Receiver Output High Voltage
∆V_TH
V_OH
V_CM = 0V
I_O = -4mA, V_ID = 200mV
25
-
50
Full V_CC -
-
0.4
-
mV
-
V
Receiver Output Low Voltage
V_OL I_O = -4mA, V_ID = 200mV
Full
-
-
0.4
V
3