ISL32490EIUZ-T7A Intersil, ISL32490EIUZ-T7A Datasheet - Page 10

• Manufacturer Part Number: ISL32490EIUZ-T7A
• Description: RS-422/RS-485 Interface IC 10LD HI-ESD OVP 5V -40+85 FULL DUP 250K
• Manufacturer: Intersil

Specifications of ISL32490EIUZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 1.5 Mbps
• Operating Supply Voltage: 5 V
• Supply Current: 4.5 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: MSOP-10
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes

Test Circuits and Waveforms
SIGNAL
GENERATOR
PARAMETER
ISL32490E, ISL32492E, ISL32493E, ISL32495E, ISL32496E, ISL32498E
t
t
SIGNAL
GENERATOR
ZH(SHDN)
ZL(SHDN)
t
t
t
t
V
HZ
ZH
LZ
ZL
CC
V
CC
DE
DI
DE
DI
OUTPUT
FIGURE 4A. TEST CIRCUIT
FIGURE 5A. TEST CIRCUIT
D
FIGURE 3A. V
DE
DI
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y
Z
D
D
Z
Y
FIGURE 4. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
1 (Note 12)
1 (Note 12)
10
0 (Note 9)
0 (Note 9)
*USED ONLY FOR COMMON
MODE LOAD TESTS
Y
Z
RE
OD
V
X
X
OD
AND V
C
D
OC
1/0
0/1
1/0
0/1
1/0
0/1
R
FIGURE 5. DRIVER ENABLE AND DISABLE TIMES
DI
R
R
C
D
110Ω
L
L
375Ω*
375Ω*
L
/2
/2
FIGURE 3. DC DRIVER TEST CIRCUITS
GND
GND
GND
V
V
V
SW
V
CC
CC
CC
SW
OC
V
C
CM
GND
V
L
100
100
100
100
50
50
CC
(pF)
t
(Note 11)
(Note 11)
DIFF OUT (Y - Z)
ZH
V
OUT (Y, Z)
OUT (Y, Z)
t
OUT (Z)
OUT (Y)
ZL
CC
, t
FIGURE 3B. V
DI
, t
DE
ZH(SHDN)
ZL(SHDN)
DE
DI
(Note 11)
FIGURE 4B. MEASUREMENT POINTS
FIGURE 5B. MEASUREMENT POINTS
D
10%
t
OD
R
90%
Y
Z
t
PLH
AND V
1.5V
1.5V
SKEW = |t
V
OD
OC
2.3V
OUTPUT HIGH
2.3V
OUTPUT LOW
WITH COMMON MODE LOAD
V
R
PLH
OC
L
/2
- t
PHL
t
t
t
PHL
1.5V
HZ
R
LZ
1.5V
|
L
/2
90%
V
V
OH
OL
10%
375Ω
375Ω
+ 0.5V
- 0.5V
t
F
March 16, 2012
3V
0V
3V
0V
V
+V
-V
FN7786.2
V
V
CM
OH
V
V
V
OL
OD
OD
0V
OH
CC
OL