ISL32457EIUZ-T7A Intersil, ISL32457EIUZ-T7A Datasheet - Page 11

• 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

Test Circuits and Waveforms
SIGNAL
GENERATOR
t
t
ZH(SHDN)
ZL(SHDN)
t
PARAMETER
t
ZH
ZL
SIGNAL
GENERATOR
(Note 13)
(Note 13)
ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E
t
t
HZ
LZ
(Note 16)
(Note 16)
+1.5V
FIGURE 7A. TEST CIRCUIT
FIGURE 8A. TEST CIRCUIT
RE
B
A
11
B
A
DE
R
0
0
0
0
0
0
RE
SIGNAL
GENERATOR
RO
R
FIGURE 7. RECEIVER PROPAGATION DELAY AND DATA RATE
+1.5V
+1.5V
+1.5V
RO
-1.5V
-1.5V
-1.5V
FIGURE 8. RECEIVER ENABLE AND DISABLE TIMES
A
15pF
1kΩ
15pF
SW
GND
GND
GND
(Continued)
V
V
V
SW
CC
CC
CC
V
GND
CC
t
NOTE 14
t
NOTE 14
ZH
ZL
RO
, t
, t
RO
RO
RE
A
B
ZL(SHDN)
ZH(SHDN)
NOTE 14
FIGURE 7B. MEASUREMENT POINTS
FIGURE 8B. MEASUREMENT POINTS
t
PLH
1.5V
50%
50%
1.5V
1.5V
OUTPUT HIGH
OUTPUT LOW
t
PHL
t
t
HZ
LZ
1.5V
50%
50%
V
V
OH
OL
- 0.5V
+ 0.5V
February 20, 2012
+750mV
0V
+2.25V
3V
V
0V
FN7921.0
CC
V
V
V
0V
OH
OL
CC