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XR33158 Dataheets PDF



Part Number XR33158
Manufacturers Exar
Logo Exar
Description TIA-485/TIA-422 Transceivers
Datasheet XR33158 DatasheetXR33158 Datasheet (PDF)

XR33152/56/58 ±60V Fault Tolerant 3.0V to 5.5V TIA-485/TIA-422 Transceivers Description The XR33152, XR33156 and XR33158 family of high performance TIA-485/TIA-422 devices are designed for improved performance in noisy industrial environments and increased tolerance to system faults. The analog bus pins can withstand direct shorts up to ±60V and are protected against ESD events up to ±15kV HBM. An extended ±25V common mode operating range allows for more reliable operation in noisy environments.

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XR33152/56/58 ±60V Fault Tolerant 3.0V to 5.5V TIA-485/TIA-422 Transceivers Description The XR33152, XR33156 and XR33158 family of high performance TIA-485/TIA-422 devices are designed for improved performance in noisy industrial environments and increased tolerance to system faults. The analog bus pins can withstand direct shorts up to ±60V and are protected against ESD events up to ±15kV HBM. An extended ±25V common mode operating range allows for more reliable operation in noisy environments. The receivers include full fail-safe circuitry, guaranteeing a logic high receiver output when the receiver inputs are open, shorted or undriven. The XR33152 receiver input impedance is at least 120kΩ (1/10 unit load), allowing more than 320 devices on the bus. The XR33156/58 receiver input impedance is at least 30kΩ (1/2.5 unit load), allowing more than 80 devices on the bus. The drivers are protected by short circuit detection as well as thermal shutdown and maintain high impedance in shutdown or when powered off. The XR33152 driver is slew limited for reduced EMI and error-free communication over long or unterminated data cables. The XR33152/56/58 family of high performance TIA-485/TIA-422 devices are designed for improved performance in noisy industrial environments and increased tolerance to system faults. The devices with DE and RE pins include hot swap circuitry to prevent false transitions on the bus during power up or live insertion and can enter a 1nA low current shutdown mode for extreme power savings. FEATURES ■■ 3.0V to 5.5V operation ■■ ±60V fault tolerance on analog bus pins ■■ Extended ±25V common mode operation ■■ Robust ESD protection: ±15kV HBM (bus pins) ± 4kV HBM (non-bus pins) ■■ 1.65V to 5.5V logic Interface VL pin (full-duplex package option) ■■ Invert control to correct for reversed bus pins ■■ Enhanced receiver fail-safe protection for open, shorted or terminated but idle data lines ■■ Hot swap glitch protection on DE and RE pins ■■ Driver short-circuit current limit and thermal shutdown for overload protection ■■ Reduced unit loads allows up to 320 devices on bus ■■ Industry standard 8 and 14-pin NSOIC packages ■■ -40°C to 85°C ambient operating temperature range APPLICATIONS ■■ Industrial control networks ■■ HVAC networks ■■ Building and process automation ■■ Remote utility meter reading ■■ Energy monitoring and control ■■ Long or unterminated transmission lines Typical Application 5V VCC DI DE R RE FAULT TOLERANT UP TO 60V 60V POWER BUS 5V VCC R RE DI DE Figure 1. Typical Application REV1A 1/19 XR33152/56/58 Absolute Maximum Ratings These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections to the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device. VCC VL Input voltage at control and driver input (DE, DI and INV) XR33152/58 Receiver output voltage (RO) XR33152/58 Input voltage at control (RE) XR33156 Input voltage at control and driver input (DE, DI, RINV, DINV, and INV) XR33156 Receiver output voltage (RO) XR33156 Driver output voltage (A, B, Y and Z) -0.3V to 7.0V VL ≤ VCC -0.3V to (VCC + 0.3V) -0.3V to (VCC + 0.3V) -0.3V to (VL + 0.3V) -0.3V to 7.0V -0.3V to (VL + 0.3V) ±60V Receiver input voltage (A and B, half or full duplex) ±60V Transient voltage pulse, through 100Ω (Figure 7) ±100V Driver output current ±250mA Storage temperature range -65°C to 150°C Lead temperature (soldering, 10s) 300°C Package power dissipation 8-pin NSOIC θJA = 128.4°C/W 14-pin NSOIC θJA = 86°C/W Maximum junction temperature = 150°C CAUTION: ESD-sensitive (electrostatic discharge) device. Permanent damage may occur on unconnected devices subject to high energy electrostatic fields. Unused devices must be stored in conductive foam or shunts. Personnel should be properly grounded prior to handling this device. The protective foam should be discharged to the destination socket before devices are removed. REV1A 2/19 Pin Configuration RO 1 INV 2 R 8 VCC 7 B/Z DE 3 DI 4 D 6 A/Y 5 GND XR33152/56/58 RINV 1 RO 2 RE 3 DE 4 DI 5 GND 6 GND 7 14 VCC R 13 VL 12 A 11 B D 10 Z 9Y 8 DINV Pin Functions Half Duplex Full Duplex XR33152 XR33156 XR33158 Pin Number Pin Name - 1 RINV 1 2 RO 2 - INV - 3 RE 3 4 DE 4 5 DI 5 6, 7 GND 6 - A/Y 7 - B/Z Type In Out In In In In Power I/O I/O Pin Function Receiver invert control (active high). When enabled, the polarity of the receiver bus pins (A & B) is reversed: A = inverting and B = non-inverting. When disabled, the receiver bus pins (A & B) operate normally: A = non-inverting and B = inverting. The RINV pin has a 150KΩ pull-down resistor. Receiver output, when RE is low and if (A-B) ≥ 200mV, RO is high. If (A-B) ≤ -200mV, RO is low If inputs are left floating, shorted together or terminated and undriven for more than 2μs the outp.


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