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ISL32602EFUZ Folha de dados(PDF) 1 Page - Intersil Corporation |
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ISL32602EFUZ Folha de dados(HTML) 1 Page - Intersil Corporation |
1 / 23 page 1 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 |
Nº de peça semelhante - ISL32602EFUZ |
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Descrição semelhante - ISL32602EFUZ |
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