Datasheet IL4622E, IL4685E (NVE) - 6

ManufacturerNVE
DescriptionHigh-Speed Isolated 3.3 V Bus RS-422 / RS-485 Transceivers with Integrated DC-DC Convertors
Pages / Page25 / 6 — IL4622E / IL4685E. Transceiver Bus Driver. Parameter. Symbol. Min. Typ. …
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IL4622E / IL4685E. Transceiver Bus Driver. Parameter. Symbol. Min. Typ. Max. Units. Test Conditions. Transceiver. Bus Receiver

IL4622E / IL4685E Transceiver Bus Driver Parameter Symbol Min Typ Max Units Test Conditions Transceiver Bus Receiver

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IL4622E / IL4685E Transceiver Bus Driver
Tmin to Tmax and VDD2B = 3.1 V to 3.5 V unless otherwise stated
Parameter Symbol Min. Typ.
(5)
Max. Units Test Conditions
Output voltage V V = 0 O DD V IO Differential output voltage |V = 0 OD1| VDD V IO Differential output voltage |V = 60 Ω OD2| 2.1 3 3.5 V RL Differential output voltage |V = 54 Ω OD3| 1.9 3.5 V RL Change in magnitude of differential | ±0.2 V R = 54 Ω or 100 Ω output voltage(3) Δ|VOD L Common mode output voltage V = 54 Ω or 100 Ω OC 3 V RL Change in magnitude of common | ±0.2 V R = 54 Ω or 100 Ω mode output voltage(3) Δ|VOC L High level input current IIH 10 μA VI = 3.5 V Low level input current IIL −10 μA VI = 0.4 V Absolute |short-circuit output current| I < 12 V OS 250 mA −7 V < VO
Transceiver Bus Receiver
Tmin to Tmax and VDD2B = 3.1 V to 3.5 V unless otherwise stated
Parameter Symbol Min. Typ.
(5)
Max. Units Test Conditions
Positive-going V < 12 V input threshold voltage IT+ 0.2 V −7 V < VCM Negative-going V < 12 V input threshold voltage IT− −0.2 V −7 V < VCM Input hysteresis voltage (V = 0 V, T = 25°C IT+ − VIT−) 28 mV VCM Differential bus input capacitance C 9 12 pF D V = 200 mV High-level output voltage V ID OH VDD – 0.2 VDD V I = −20 μA OH V Low-level output voltage V ID = −200 mV OL 0.2 V I = 20 μA OH High-impedance-state I = 0.4 to (V bus output current OZ ±1 μA VO DD2−0.5) V 220 μA V = 12 V Bus line input current I I I −160 μA V = −7 V I Bus line input resistance RI 60 80 kΩ
Transceiver Switching Specifications
Tmin to Tmax; VDD1B = 3 V to 3.45 V; VDD2B = 3.1 V to 3.5 V
Parameter Symbol Min. Typ.
(5)
Max. Units Test Conditions
Data rate 40 Mbps R = 54 Ω, C = 50 pF L L V = −1.5 to 1.5 V, Propagation delay(4) t O PD 25 35 ns C = 15 pF L V = −1.5 to 1.5 V, Pulse skew(5) t (P) 2 5 ns O SK C = 15 pF L Skew limit(6) t (LIM) 4 10 ns R = 54 Ω, C = 50 pF SK L L Output enable time to high level t = 15 pF PZH 17 30 ns CL Output enable time to low level tPZL 17 30 ns CL = 15 pF Output disable time from high level t = 15 pF PHZ 17 30 ns CL Output Disable Time From Low Level t = 15 pF PLZ 17 30 ns CL Common mode transient immunity V = 1500 V |CM CM DC (output logic high to logic low) H|,|CML| 30 50 kV/μs t = 25 ns TRANSIENT 6 NVE Corporation 11409 Valley View Road, Eden Prairie, MN 55344 (952) 829-9217 www.nve.com YouTube.com/NveCorporation iso-apps@ www.nve.com