DS8921

AKTIV

Differenzielles Leitungstreiber- und Empfängerpaar

Produktdetails

Number of receivers 1 Number of transmitters 1 Duplex Full Signaling rate (max) (Mbps) 10 IEC 61000-4-2 contact (±V) None Fault protection (V) -12 to 12 Common-mode range (V) -7 to 7 Number of nodes 32 Isolated No Supply current (max) (µA) 35000 Rating Catalog Operating temperature range (°C) -40 to 85
Number of receivers 1 Number of transmitters 1 Duplex Full Signaling rate (max) (Mbps) 10 IEC 61000-4-2 contact (±V) None Fault protection (V) -12 to 12 Common-mode range (V) -7 to 7 Number of nodes 32 Isolated No Supply current (max) (µA) 35000 Rating Catalog Operating temperature range (°C) -40 to 85
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 12-ns Typical Propagation Delay
  • Output Skew: 0.5 ns Typical
  • Meets the Requirements of EIA Standard RS-422
  • Complementary Driver Outputs
  • High Differential or Common-Mode Input Voltage
    Ranges of ±7 V
  • ±0.2 V Receiver Sensitivity Over the
    Input Voltage Range
  • Receiver Input Hysteresis: 70 mV Typical
  • DS8921AT Industrial Temperature Operation:
    (–40°C to +85°C)
  • 12-ns Typical Propagation Delay
  • Output Skew: 0.5 ns Typical
  • Meets the Requirements of EIA Standard RS-422
  • Complementary Driver Outputs
  • High Differential or Common-Mode Input Voltage
    Ranges of ±7 V
  • ±0.2 V Receiver Sensitivity Over the
    Input Voltage Range
  • Receiver Input Hysteresis: 70 mV Typical
  • DS8921AT Industrial Temperature Operation:
    (–40°C to +85°C)

The DS8921, DS8921A, and DS8921AT devices are differential line driver and receiver pairs designed specifically for applications meeting the ST506, ST412, and ESDI disk drive standards. In addition, these devices meet the requirements of the EIA standard RS-422.

The DS8921x receivers offer an input sensitivity of 200 mV over a &plsumn;7 V common mode operating range. Hysteresis is incorporated (typically 70 mV) to improve noise margin for slowly changing input waveforms.

The DS8921x drivers are designed to provide unipolar differential drive to twisted-pair or parallel wire transmission lines. Complementary outputs are logically ANDed and provide an output skew of 0.5 ns (typical) with propagation delays of 12 ns.

The DS8921x devices are designed to be compatible with TTL and CMOS.

The DS8921, DS8921A, and DS8921AT devices are differential line driver and receiver pairs designed specifically for applications meeting the ST506, ST412, and ESDI disk drive standards. In addition, these devices meet the requirements of the EIA standard RS-422.

The DS8921x receivers offer an input sensitivity of 200 mV over a &plsumn;7 V common mode operating range. Hysteresis is incorporated (typically 70 mV) to improve noise margin for slowly changing input waveforms.

The DS8921x drivers are designed to provide unipolar differential drive to twisted-pair or parallel wire transmission lines. Complementary outputs are logically ANDed and provide an output skew of 0.5 ns (typical) with propagation delays of 12 ns.

The DS8921x devices are designed to be compatible with TTL and CMOS.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt DS8921x Differential Line Driver and Receiver Pair datasheet (Rev. D) PDF | HTML 21.01.2015
Anwendungshinweis HS, Low Skew RS-422 Drvrs & Receivers Solve Critical System Timing Problems (Rev. A) 26.04.2013

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