ISL3158E

5V, Full Fail-safe, RS-485/RS-422 Transceiver with ESD Protection

Product Status: 量産中

OVERVIEW

The ISL315xE family of 5V powered RS-485/RS-422 transceivers features high output drive and high ESD protection. The devices withstand ±16.5kV IEC61000-4- 2 ESD strikes without latch-up. The large output voltage of 3.1V typical into a 54Ω load provides high noise immunity, and enables the drive of up to 8000ft long bus segments, or eight 120Ω terminations in a star topology.

These devices possess less than 125μA bus input currents, thus constituting a true 1/8 unit load. The high output drive combined with the low bus input currents allows for connecting up to 512 transceivers on the same bus.

The receiver inputs feature a full fail-safe design that turns the receiver outputs high when the bus inputs are open or shorted.

The ISL315xE family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver enable pins. These transceivers support data rates of 115kbps, 1Mbps, and 20Mbps. Their performance is characterized from -40°C to +85°C.

KEY FEATURES

  • High VOD: 3.1V (Typ) into RD = 54Ω
  • Low bus currents: 125μA constitutes a true 1/8 unit load
  • Allows for up to 512 transceivers on the bus
  • ±16.5kV ESD protection on bus I/O pins
  • High transient overvoltage tolerance of ±100V
  • Full fail-safe outputs for open or shorted inputs
  • Hot plug capability - driver and receiver outputs remain high-impedance during power-up and power-down
  • Supported data rates: 115kbps, 1Mbps, 20Mbps
  • Low supply current (driver disabled): 550μA
  • Ultra-low shutdown current: 70nA

PARAMETRICS

Parameters
ISL3158E
Basic Information
Production Status
量産中
主な特長
High Speed
Tx数
1
Rx数
1
バス上の許容デバイス数
256
半二重/全二重
Half
高ESD保護
Yes-IEC61000
ホットプラグ
Yes
データレート
20 Mbps
電源電圧Vcc (V) (min)
4.5
電源電圧Vcc (V) (max)
5.5
スルーレート制限
No
Tx/Rxイネーブル
Yes
IS イネーブル/ディセーブル
800/700 µA
SHDN ICC
0.07 µA
VLピン
No
認定レベル
Standard
電源電圧Vcc範囲 (V)
4.5 to 5.5
CANサンプル
YES
温度範囲
-40 to +85

ブロック図

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