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PDF SP26LV432 Data sheet ( Hoja de datos )
| Número de pieza | SP26LV432 | |
| Descripción | HIGH SPEED +3.3V QUAD RS-422 DIFFERENTIAL LINE RECEIVER | |
| Fabricantes | Exar | |
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SP26LV432
HIGH SPEED +3.3V QUAD RS-422 DIFFERENTIAL LINE RECEIVER
JUNE 2011
REV. 1.0.1
GENERAL DESCRIPTION
The SP26LV432 is a quad differential line receiver
with three-state outputs designed to meet the EIA
specifications of the RS-422 serial protocol. The
SP26LV432 features Exar's BiCMOS process
allowing low power operational characteristics of
CMOS technology while meeting all of the demands
of the RS-422 serial protocol at 50Mbps under load.
The RS-422 protocol allows up to 10 receivers to be
connected to a multipoint bus transmission line. The
SP26LV432 features a receiver enable control
common to all four receivers and a high-Z output with
6mA source and sink capability. Since the cabling can
be as long as 4,000 feet, the RS-422 receivers of the
SP26LV432 are equipped with a wide (-7.0V to
+7.0V) common-mode input voltage range to
accommodate ground potential differences.
FEATURES
• Quad Differential Line Receivers
• Compatible with the EIA standard for RS-422 serial
protocol
• High-Z Output Control
• Switching Rates Up to 50Mbps
• 14ns Typical Receiver Propagation Delays
• 60mV Typical Input Hysteresis
• Single +3.3V Supply Operation
• Common Receiver Enable Control
• 26LV32 industry standard footprint compatible
• Ideal For Use with SP26LV431, Quad Drivers
• -7.0V to +7.0V Common-Mode Input Voltage range
FIGURE 1. TYPICAL APPLICATION CIRCUIT
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com
1 page  
SP26LV432
REV. 1.0.1
HIGH SPEED +3.3V QUAD RS-422 DIFFERENTIAL LINE RECEIVER
UNLESS OTHERWISE NOTED: THE FOLLOWING SPECIFICATIONS APPLY FOR VCC = +3.0V TO +3.6V WITH TA =
+25OC AND ALL MIN AND MAX LIMITS APPLY ACROSS THE RECOMMENDED OPERATING TEMPERATURE RANGE.
SYMBOL
PARAMETERS
Output Electrical Characteristics
VOH Minimum HIGH Level Output Voltage
MIN.
2.4
VOL Maximum LOW Level Output Voltage
IOZQ
Maximum Tri-State Output Leakage
Current
Switching Characteristics
tPLH, tPHL Propagation Delays
tRISE, tFALL Output Rise and Fall Times
tPZH, tPZL Output Enable Time
tPHZ, tPLZ Output Disable Time
TYP.
2.8
0.2
±0.5
14
5
MAX. UNITS
CONDITIONS
0.5
±5.0
V VCC = +3.0V, VDIFF = +1V,
IOUT = -6mA
V VCC = +3.0V, VDIFF = -1V,
IOUT = +6mA
μA VOUT = VCC or GND,
ENABLE = VIL , ENABLE = VIH
35 ns CL = 50pF, VDIFF = 2.5V,
VCM = 0V, VCC = +3.3V
10 ns CL = 50pF, VDIFF = 2.5V,
VCM = 0V, VCC = +3.3V
40 ns CL = 50pF, RL = 1000Ω,
VDIFF = 2.5V, VCC = +3.3V
40 ns CL = 50pF, RL = 1000Ω,
VDIFF = 2.5V, VCC = +3.3V
5
5 Page 
REV. 1.0.1
SP26LV432
HIGH SPEED +3.3V QUAD RS-422 DIFFERENTIAL LINE RECEIVER
FIGURE 13. LOW OUTPUT VOLTAGE VS CURRENT OVER TEMPERATURE
FIGURE 14. LOW OUTPUT VOLTAGE VS CURRENT OVER SUPPLY VOLTAGE
11
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet SP26LV432.PDF ] | |
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