ISL32437EIBZ-T7A Intersil, ISL32437EIBZ-T7A Datasheet - Page 10

• Manufacturer Part Number: ISL32437EIBZ-T7A
• Description: RS-422/RS-485 Interface IC 40V OVP 15V CMR -40+ 85 3V RS-485 1/2 DUP
• Manufacturer: Intersil

Specifications of ISL32437EIBZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 250 Kbps
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 2.1 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 1
• Number Of Receivers: 1
• Shutdown: No

Test Circuits and Waveforms
SIGNAL
GENERATOR
SIGNAL
GENERATOR
PARAMETER
t
t
ZH(SHDN)
ZL(SHDN)
SIGNAL
GENERATOR
t
t
t
t
HZ
ZH
LZ
ZL
V
ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E
CC
V
CC
DE
DI
DE
DI
OUTPUT
DE
DI
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
Y/Z
FIGURE 4A. TEST CIRCUIT
FIGURE 5A. TEST CIRCUIT
FIGURE 6A. TEST CIRCUIT
D
D
Z
Y
D
Z
Y
0 (Note 11)
0 (Note 11)
1 (Note 14)
1 (Note 14)
10
FIGURE 4. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
Y
Z
RE
X
X
54Ω
C
D
1/0
0/1
1/0
0/1
1/0
0/1
R
DI
C
FIGURE 5. DRIVER ENABLE AND DISABLE TIMES
D
L
110Ω
C
D
GND
GND
GND
V
V
V
SW
CC
CC
CC
FIGURE 6. DRIVER DATA RATE
SW
(Continued)
V
C
OD
+
-
100
100
100
100
L
50
50
GND
V
(pF)
CC
t
Note 13
t
Note 13
ZH
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
ZL
DIFF OUT (Y - Z)
OUT (Y)
OUT (Z)
, t
, t
DE
ZH(SHDN)
DI
ZL(SHDN)
DI
Note 13
FIGURE 4B. MEASUREMENT POINTS
FIGURE 5B. MEASUREMENT POINTS
FIGURE 6B. MEASUREMENT POINTS
10%
t
R
90%
t
PLH
50%
50%
SKEW = |t
50%
OUTPUT HIGH
50%
OUTPUT LOW
PLH
- t
PHL
t
t
HZ
t
LZ
PHL
50%
50%
|
V
V
OH
90%
OL
10%
+V
- 0.5V
+ 0.5V
-V
OD
t
F
3V
0V
OD
March 1, 2012
0V
3V
3V
0V
0V
FN7920.0
V
V
+V
-V
V
V
V
0V
OH
OL
OH
CC
OL
OD
OD