ILX3485 IKSEMICON | Alldatasheet

Document overview

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Technical content

Features

§ Low Quiescent Current: 300µA § -7V to +12V Common-Mode Input Voltage Range § Three-State Outputs § 30ns Propagation Delays, 5ns Skew § Full-Duplex and Half-Duplex Versions Available § Operate from a Single 3.3V Supply § Allows up to 32 Transceivers on the Bus § Data rate: 2,5 Mbps § Current-Limiting and Thermal Shutdown for Driver Overload Protection § The transmitter outputs and receiver inputs are protected to ±15kV Air ESD. ILX3485

ORDERING INFORMATION

Rev. 01 ABSOLUTE MAXIMUM RATINGS Supply Voltage (VCC) 7V Continuous Power Dissipation (TA= +70°C) Control Input Voltage -0.3V to 7V 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) 727mW Driver Input Voltage (DI) -0.3V to 7V 8-Pin SOP (derate 5.88mW/°C above +70°C) 471mW Driver Output Voltage (A, B) -7.5V to +12.5V Operating Temperature Ranges 0°C to +70°C Receiver Input Voltage (A, B) -7.5V to +12.5V Storage Temperature Range -65°C to +160°C Receiver Output Voltage (RO) -0.3V to (VCC+0.3V) Lead Temperature (soldering, 10sec) +300°C DC ELECTRICAL CHARACTERISTICS (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Differential Driver Output (no load) VOD1 2 V R = 100Ω (RS-422) 1Differential Driver Output (with load) VOD2 R = 54Ω (RS-485), Figure 4 0.8 V Change in Magnitude of Driver Differential Output Voltage for Complementary Output States ∆VOD R = 54Ω or 50Ω, Figure 4 0.2 V Driver Common-Mode Output Voltage VOC R = 54Ω or 100Ω, Figure 4 2 V Change in Magnitude of Driver Common-Mode Output Voltage for Complementary Output States ∆VOD R = 54Ω or 100Ω, Figure 4 0.2 V Input High Voltage VIH DE, DI, RE 2.0 V Input Low Voltage VIL DE, DI, RE 0.8 V Input Current IIN1 DE, DI, RE ±2 µA DE = 0V; VIN = 12V 1.0Input Current (A, B) IIN2 VCC = 0V or 5.25V, V IN = - -0.8 mA Receiver Differential Threshold Voltage VTH -7V ≤ VCM ≤12V -0.2 0.2 V Receiver Input Hysteresis ∆VTH VCM = 0V 70 mV Receiver Output High Voltage VOH IO = -1.5mA, VID = 200mV 2.5 V Receiver Output Low Voltage VOL IO = 2.5mA, VID = -200mV 0.4 V Three-State (high impedance) Output Current at Receiver IOZR 0.4V ≤ VO ≤ 2.4V ±1 µA Receiver Input Resistance RIN -7V ≤ VCM ≤ 12V 12 kΩ

Rev. 01 DC ELECTRICAL CHARACTERISTICS (continued) (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TY P MAX UNITS DE = VCC 500 800 RE = 0V or VCC 300 400 No-Load Supply Current (Note 3) ICC DE = 0V µA Driver Short-Circuit Current, IOSD1 -7V ≤ VO ≤ 12V (Note 4) 250 mA VO = High Driver Short-Circuit Current, IOSD2 -7V ≤ VO ≤12V (Note 4) 250 mA VO = Low Receiver Short-Circuit Current IOSR 0V ≤ VO ≤ VCC ±6.5 95 mA SWITCHING CHARACTERISTICS (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS tPLH RDIFF = 54W 10 30 60Driver Input to Output tPHL CL1 = CL2 = 100pF 10 30 60 ns Driver Output Skew to Output tSKEW RDIFF = 54W, CL1 = CL2 = 100pF 5 10 ns Driver Enable to Output High tZH CL= 100pF, S2 closed 45 90 ns Driver Enable to Output Low tZL CL= 100pF, S1 closed 45 90 ns Driver Disable Time from Low tLZ CL= 15pF, S1 closed 40 80 ns Driver Disable Time from High tHZ CL= 15pF, S2 closed 40 80 ns | tPLH - tPHL | Differential tSKD RDIFF = 54W 13 ns Receiver Skew CL1 = CL2 = 100pF Receiver Enable to Output Low tZL CRL = 15pF, S1 closed 50 ns Receiver Enable to Output High tZH CRL = 15pF, S2 closed 20 50 ns Receiver Disable Time from Low tLZ CRL = 15pF, S1 closed 20 50 ns Receiver Disable Time from High tHZ CRL = 15pF, S2 closed 20 50 ns Maximum Data Rate fMAX 2.5 Mbps

Rev. 01

Rev. 01 Operation timing diagrams of ILX3485 Table of ILX 3485 operation Transmitting Receiving Inputs Outputs X Inputs Outputs RE DE DI Z Y RE DE A-B RO X 1 1 0 1 0 0 +0.2V 1 X 1 0 1 0 0 0 -0.2V 0 0 0 X Z Z 0 0 open 1 1 0 X Z Z 1 0 X Z X-don’t care Z-high impedance

Rev. 01 N SUFFIX PLASTIC DIP (M S – 001BA) Symbol MIN MAX A 8.51 10.16 B 6.1 7.11 C 5.33 D 0.36 0.56 F 1.14 1.78 G H J 0° 10° K 2.92 3.81 NOTE S: L 7.62 8.26 1. Dim ensions “A”, “B” do not include mold flash or protrusions. M 0.2 0.36 Max im um m old flash or protrusions 0.25 mm (0.010) per side. N 0.38 D SU F F I X SOI C (M S - 012AA) Symbol MIN MAX A 4.8 5 B 3.8 4 C 1.35 1.75 D 0.33 0.51 F 0.4 1.27 G H J 0° 8° NOTE S: K 0.1 0.25 1. Dim ensions A and B do not include m old flash or protrusion. M 0.19 0.25 1.27 5.72 Dimens ion, mm Dimens ion, mm 2.54 7.62 A BH C K CM J F M P G D R x 45 SEA TING PLANE 0.25 (0.010) M T -T- L H M J A B F G D SEATING PLANE N K 0.25 (0.010) M T -T- C