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ISL32602EFUZ Folha de dados(PDF) 1 Page - Intersil Corporation

Nome de Peças ISL32602EFUZ
Descrição Electrónicos  1.8V to 3.3V, Micro-Power, 짹15kV ESD, 125째C, Slew Rate Limited, RS-485/RS-422 Transceivers
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Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL32602EFUZ Folha de dados(HTML) 1 Page - Intersil Corporation

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1.8V to 3.3V, Micro-Power, ±15kV ESD, +125°C, Slew
Rate Limited, RS-485/RS-422 Transceivers
ISL32600E, ISL32601E, ISL32602E, ISL32603E
The Intersil ISL32600E, ISL32601E, ISL32602E and
ISL32603E are ±15kV IEC61000 ESD protected, micro power,
wide supply range transceivers for differential communication.
The ISL32600E and ISL32601E operate with VCC ≥ 2.7V and
have maximum supply currents as low as 100µA with both the
transmitter (Tx) and receiver (Rx) enabled. The ISL32602E and
ISL32603E operate with supply voltages as low as 1.8V. These
transceivers have very low bus currents, so they present less
than a “1/8 unit load” to the bus. This allows more than 256
transmitters on the network, without violating the RS-485
specification’s 32 unit load maximum.
Rx inputs feature symmetrical switching thresholds, and up to
65mV of hysteresis, to improve noise immunity and to reduce
duty cycle distortion in the presence of slow moving input
signals (see Figure 9). The Rx input common mode range is the
full -7V to +12V RS-485 range for supply voltages ≥ 3V.
Hot Plug circuitry ensures that the Tx and Rx outputs remain in
a high impedance state while the power supply stabilizes.
This transceiver family utilizes slew rate limited drivers, which
reduce EMI, and minimize reflections from improperly terminated
transmission lines, or unterminated stubs in multidrop and
multipoint applications.
The ISL32600E and ISL32602E are configured for full duplex
(separate Rx input and Tx output pins) applications. The half
duplex versions multiplex the Rx inputs and Tx outputs to allow
transceivers with output disable functions in 8 Ld packages.
See Table 1 for a summary of each device’s features.
Features
• Single 1.8V, 3V, or 3.3V Supply
• Low Supply Currents . . . . . . . ISL32601E, 100µA (Max) @ 3V
. . . . . . ISL32603E, 150µA (Max) @ 1.8V
- Ultra Low Shutdown Supply Current . . . . . . . . . . . . . . 10nA
• IEC61000 ESD Protection on RS-485 I/O Pins . . . . . . ±15kV
- Class 3 ESD Levels on all Other Pins . . . . . . . . . >8kV HBM
• Symmetrical Switching Thresholds for Less Duty Cycle
Distortion (See Figure 9)
• Up to 65mV Hysteresis for Improved Noise Immunity
• Data Rates from 128kbps to 460kbps
• Specified for +125°C Operation
• 1/8 Unit Load Allows up to 256 Devices on the Bus
• -7V to +12V Common Mode Input/Output Voltage Range
(VCC ≥ 3V)
• Half and Full Duplex Pinouts; Three State Rx and Tx Outputs
•5V Tolerant Logic Inputs
• Tiny MSOP Packages Consume 50% Less Board Space
Applications
• Differential Sensor Interfaces
• Process Control Networks
•Security Camera Networks
• Building Environmental Control/Lighting Systems
FIGURE 1. ISL32600E AND ISL32601E HAVE A 9.6kbps
OPERATING ICC LOWER THAN THE STATIC ICC OF
MANY EXISTING 3V TRANSCEIVERS
SUPPLY VOLTAGE (V)
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
10µ
100µ
1m
25°C, RD = ∞, CD = 50pF
DE = VCC, RE = GND
ISL3260XE STATIC
ISL3260XE DYNAMIC (9.6kbps)
ISL3172E STATIC
ISL3172E DYNAMIC (9.6kbps)
FIGURE 2. ISL32602E AND ISL32603E WITH VCC = 1.8V REDUCE
OPERATING ICC BY A FACTOR OF 25 TO 40,
COMPARED WITH ICC AT VCC =3.3V
SUPPLY VOLTAGE (V)
100µ
1m
10m
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
DE = VCC, RE = GND
STATIC
DYNAMIC (128kbps)
DYNAMIC (256kbps)
25°C, RD = ∞, CD = 50pF
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|Copyright Intersil Americas Inc. 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
June 22, 2012
FN7967.0


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