ISL32457EIUZ-T7A Intersil, ISL32457EIUZ-T7A Datasheet - Page 15

• Manufacturer Part Number: ISL32457EIUZ-T7A
• Description: RS-422/RS-485 Interface IC 60V OVP POLV -40+85 5V RS-485 1/2 DUP
• Manufacturer: Intersil

Specifications of ISL32457EIUZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 250 Kbps, 1 Mbps
• Operating Supply Voltage: 3.3 V to 5 V
• Supply Current: 4.5 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MSOP-8
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes

Typical Performance Curves
FIGURE 15. DRIVER DIFFERENTIAL PROPAGATION DELAY vs
FIGURE 19. ±20V RECEIVER PERFORMANCE (ISL32450E,
FIGURE 17. DRIVER DIFFERENTIAL PROPAGATION DELAY vs
-10
-15
-20
300
290
280
270
260
250
240
230
220
210
200
20
15
10
75
70
65
60
55
50
-5
5
0
5
0
-40 -30 -20 -10
-40 -30 -20 -10
ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E
R
RO
RO
V
D
CC
TEMPERATURE (ISL32450E, ISL32452E, ISL32457E)
TEMPERATURE (ISL32453E, ISL32455E)
ISL32452E, ISL32457E)
= 54Ω, C
V
= 3.3V
CC
A
A
B
B
V
= 3.3V
V
V
V
CC
CC
CC
CC
D
= 50pF
= 5V
= 3.3V
= 5V
= 3.3V
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
t
t
t
15
t
PHL
PHL
10
10
PLH
TIME (1µs/DIV)
PLH
20
20
30
30
t
40
40
PLH
R
D
t
= 54Ω, C
50
50
PHL
V
t
60
60
PHL
CC
V
CC
D
VID = ±1V
250kbps
= 5V
70
70
= 50pF
= 5V
t
PLH
T
80
80 85
A
= +25
85
°C
; Unless Otherwise Specified. (Continued)
FIGURE 16. DRIVER DIFFERENTIAL SKEW vs TEMPERATURE
FIGURE 18. DRIVER DIFFERENTIAL SKEW vs TEMPERATURE
FIGURE 20. ±20V RECEIVER PERFORMANCE (ISL32453E,
7
6
5
4
3
2
1
0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
-40 -30 -20 -10
-10
-15
-20
0
20
15
10
-5
-40 -30 -20 -10
5
0
5
0
|t
RO
RO
PLH
|t
PLH
(ISL32450E, ISL32452E, ISL32457E)
(ISL32453E, ISL32455E)
ISL32455E)
- t
- t
PHL
A
B
A
B
PHL
V
V
V
V
CC
CC
|
CC
CC
|
= 3.3V
= 3.3V
= 5V
= 5V
0
0
V
TEMPERATURE (°C)
TEMPERATURE (°C)
CC
10
TIME (400ns/DIV)
10
= 5V
V
V
20
V
CC
CC
20
CC
= 3.3V
= 5V
= 3.3V
30
30
40
40
50
50
60
60
February 20, 2012
VID = ±1V
1Mbps
70
70
FN7921.0
80 85
80 85