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ADM2795EBRWZ-RL7 датащи(PDF) 4 Page - Analog Devices |
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ADM2795EBRWZ-RL7 датащи(HTML) 4 Page - Analog Devices |
4 / 27 page ADM2795E Data Sheet Rev. 0 | Page 4 of 27 Parameter Symbol Min Typ Max Unit Test Conditions/Comments Logic Outputs Output Voltage Low V OLRxD 0.2 V I ORxD = 3.0 mA, VA − VB = −0.2 V Output Voltage High V OHRxD V DD1 − 0.2 V I ORxD = −3.0 mA, VA − VB = 0.2 V Short-Circuit Current 100 mA V OUT = GND or VDD1, RE = 0 V Three-State Output Leakage Current I OZR ±2 µA RE = VDD1, RxD = 0 V or VDD1 COMMON-MODE TRANSIENT IMMUNITY2 75 125 kV/µs V CM ≥1 kV, transient magnitude ≥800 V 1 V SC is the short-circuit voltage at the RS-485 A or B bus pin. 2 Common-mode transient immunity is the maximum common-mode voltage slew rate that can be sustained while maintaining specification-compliant operation. V CM is the common-mode potential difference between the logic and bus sides. The transient magnitude is the range over which the common mode is slewed. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges. TIMING SPECIFICATIONS VDD1 = 1.7 V to 5.5 V, VDD2 = 3.0 V to 5.5 V, TA = TMIN to TMAX (−40°C to +125°C), unless otherwise noted. Table 2. Parameter Min Typ Max Unit Test Conditions/Comments DRIVER1 Maximum Data Rate 2.5 Mbps Propagation Delay, t DPLH, tDPHL 30 500 ns R LDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 29 and Figure 33 Differential Skew, t SKEW 10 50 ns R LDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 29 and Figure 33 Rise/Fall Times, t R, tF 40 130 ns R LDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 29 and Figure 33 Enable Time, t ZH, tZL 500 2500 ns R L = 110 Ω, CL = 50 pF, see Figure 30 and Figure 35 Disable Time, t HZ, tLZ 500 2500 ns R L = 110 Ω, CL = 50 pF, see Figure 30 and Figure 35 RECEIVER2 Propagation Delay, t PLH, tPHL 120 200 ns C L = 15 pF, see Figure 31 and Figure 34, 10, VID ≥ ±1.5 V 140 220 ns C L = 15 pF, see Figure 31 and Figure 34, VID ≥ ±600 mV Skew, t SKEW 4 40 ns C L = 15 pF, see Figure 31 and Figure 34, VID ≥ ±1.5 V Enable Time 10 50 ns R L = 1 kΩ, CL = 15 pF, see Figure 32 and Figure 36 Disable Time 10 50 ns R L = 1 kΩ, CL = 15 pF, see Figure 32 and Figure 36 RxD Pulse Width Distortion 40 ns C L = 15 pF, see Figure 31 and Figure 34, VID ≥ ±1.5 V 1 See Figure 29 for the definition of R LDIFF. 2 Receiver propagation delay, skew, and pulse width distortion specifications are tested with a receiver differential input voltage (V ID) of ≥±600 mV or ≥±1.5 V, as noted. |
Аналогичный номер детали - ADM2795EBRWZ-RL7 |
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Аналогичное описание - ADM2795EBRWZ-RL7 |
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