ISL3330IAZ Intersil, ISL3330IAZ Datasheet - Page 21

• Manufacturer Part Number: ISL3330IAZ
• Description: IC TXRX 3.3V RS232/485 20-SSOP
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL3330IAZ

• Number Of Drivers/receivers: 2/2
• Protocol: RS232, RS485
• Voltage - Supply: 3.15 V ~ 3.45 V
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP
• Package: 20SSOP
• Data Transmission Topology: Point-to-Point|Multipoint
• Data Rate: 20 Mbps
• Function: Line Transmitter/Receiver
• Number Of Transmitters: 2
• Transmitter Signal Type: Single-Ended|Differential
• Transmitter Communication Type: RS-232|RS-485
• Driving Mode: 3-State
• Typical Single Supply Voltage: 3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Curves
FIGURE 25. RS-485, DRIVER PROPAGATION DELAY vs
FIGURE 27. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 29. RS-485, DRIVER AND RECEIVER WAVEFORMS,
4
3
2
1
0
5
0
4
3
2
1
0
5
0
24
23
22
21
20
19
18
17
16
15
-40
D
D
Y
Z
Y
Z
R
Y
Y
DIFF
-25
TEMPERATURE (FAST DATA RATE)
LOW TO HIGH (SLOW DATA RATE, QFN ONLY)
LOW TO HIGH (MEDIUM DATA RATE)
= 54Ω, C
L
R
R
= 100pF
A
A
0
TEMPERATURE (°C)
TIME (400ns/DIV)
TIME (200ns/DIV)
t
DLH
21
R
R
25
DIFF
DIFF
= 54Ω, C
= 54Ω, C
t
DHL
V
50
CC
L
L
= 100pF
= 100pF
= V
L
= 3.3V, T
ISL3330, ISL3331
75
5
0
5
0
85
A
= +25°C; Unless Otherwise Specified (Continued)
FIGURE 26. RS-485, DRIVER SKEW vs TEMPERATURE
FIGURE 28. RS-485, DRIVER AND RECEIVER WAVEFORMS,
FIGURE 30. RS-485, DRIVER AND RECEIVER WAVEFORMS,
4
3
2
1
0
4
3
2
1
0
5
0
5
0
3.0
2.5
2.0
1.5
1.0
0.5
0
-40
Y
Z
Y
Z
R
DIFF
D
(FAST DATA RATE)
D
HIGH TO LOW (SLOW DATA RATE, QFN ONLY)
HIGH TO LOW (MEDIUM DATA RATE)
-25
Y
Y
= 54Ω, C
|t
PLHZ
L
= 100pF
0
TEMPERATURE (°C)
TIME (400ns/DIV)
TIME (200ns/DIV)
- t
R
PHLY
A
|t
DLH
|t
PHLZ
R
|
R
R
A
25
DIFF
DIFF
- t
DHL
- t
= 54Ω, C
= 54Ω, C
PLHY
|
|
50
L
L
= 100pF
= 100pF
May 20, 2008
75
FN6361.0
5
0
5
0
85