ISL33354E Datasheet, PDF (7/23 Pages) Intersil Corporation – Full fail-safe (open/short) RS-485/422 port 2 Rx

ISL33354E, ISL33357E
Electrical Specifications Test Conditions: V_CC = 4.5V to 5.5V, C₁ - C₄ = 0.1µF, unless otherwise specified. Typicals are at V_CC = 5V,
T_A = +25°C (Note 10). (Continued) Boldface limits apply across the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Note 15) TYP (Note 15) UNIT
Input Current
I_IN1 Pins without pull-ups or pull-downs
I_IN2 SLOW485, DE485, RE485, SHDN
DC CHARACTERISTICS - RS-485 RECEIVER INPUTS (PORT 2)
Full
-2
-
2
µA
Full
-25
-
25
µA
Receiver Differential Threshold
Voltage
V_TH -7V ≤ V_CM ≤ 12V, full fail-safe
Full
-0.2
-
-0.04
V
Receiver Input Hysteresis
V_TH V_CM = 0V
25
-
35
Receiver Input Current (A, B)
I_IN
V_CC = 0V or 4.5 to 5.5V
V_IN = 12V
Full
-
-
V_IN = -7V
Full -0.64
-
Receiver Input Resistance
R_IN -7V ≤ V_CM ≤ 12V, V_CC = 0 (Note 13) or
4.5V ≤ V_CC ≤ 5.5V
Full
15
-
DC CHARACTERISTICS - RS-232 RECEIVER INPUTS (PORT 1)
-
mV
0.8
mA
-
mA
-
kΩ
Receiver Input Voltage Range
V_IN
Receiver Input Threshold
V_IL
V_IH
Receiver Input Hysteresis
V_TH
Receiver Input Resistance
R_IN V_IN = ±15V, V_CC powered up (Note 13)
DC CHARACTERISTICS - RECEIVER OUTPUTS (PORTS 1 and 2)
Full
-25
-
25
V
Full
-
1.4
0.8
V
Full
2.4
1.9
-
V
25
-
0.5
-
V
Full
3
5
7
kΩ
Receiver Output High Voltage
Receiver Output Low Voltage
Receiver Short-Circuit Current
Receiver Three-State Output Current
POWER SUPPLY CHARACTERISTICS
V_OH
V_OL
I_OSR
I_OZR
I_O = -2mA
I_O = 3mA
0V ≤ V_O ≤ V_CC
Output disabled, 0V ≤ V_O ≤ V_CC
Full
3.5
4.6
-
V
Full
-
0.1
0.4
V
Full
7
-
85
mA
Full
-
-
±10
µA
No-Load Supply Current, (Note 11)
Shutdown Supply Current
I_CC
I_SHDN
SHDN = V_CC
SHDN = SLOW485 = GND, RE485 = V_CC,
DE485 = GND
Full
-
Full
-
3.7
7
mA
55
160
µA
ESD CHARACTERISTICS
Bus Pins (A, B, Y, Z, RxIN, TxOUT)
Human body model, Bus pin to GND
25
-
±15
-
kV
All Other Pins
Human body model (per JEDEC)
25
-
±4
-
kV
Machine model (per JEDEC)
25
-
±200
-
V
RS-232 DRIVER AND RECEIVER SWITCHING CHARACTERISTICS (PORT 1)
Driver Output Transition Region
Slew Rate
SR
R_L = 3kΩ, measured from
C_L ≥15pF
Full
-
3V to -3V or -3V to 3V
C_L ≤2500pF Full
4
18
30
V/µs
12
-
V/µs
Driver Output Transition Time
t_r, t_f R_L = 3kΩ, C_L = 2500pF, 10% - 90%
Full
0.22
1.2
3.1
µs
Driver Propagation Delay
t_DPHL R_L = 3kΩ C_L = 1000pF (Figure 7)
Full
-
1
2
µs
t_DPLH
Full
-
1.2
2
µs
Driver Propagation Delay Skew
t_DSKEW t_DPHL - t_DPLH (Figure 7)
Full
-
240
400
ns
Driver Enable Time from Shutdown t_DENSD V_OUT = ±3.0V, C_L = 1000pF
25
-
20
-
µs
Driver Maximum Data Rate
DR_D R_L = 3kΩ, C_L = 1000pF, one transmitter
switching
Full
460
650
-
kbps
Submit Document Feedback
7
FN8775.1
October 21, 2016