Datasheet LTC4306 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | 4-Channel, 2-Wire Bus Multiplexer with Capacitance Buffering |
| Pages / Page | 20 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25. C, unless otherwise … |
| File Format / Size | PDF / 275 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25. C, unless otherwise indicated). Buffer Circuitry tPHL. vs Temperature
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LTC4306
W U TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25
°
C, unless otherwise indicated) Buffer Circuitry tPHL vs Temperature Rise Time vs CBUS vs VCC ICC vs Temperature
120 250 6 dV = 0.3V • VCC TO 0.7V • VCC V R CC = 5V BUS = 10k 100 5 200 VCC = 3.3V V VCC = 3.3V 80 CC = 3.3V V 4 CC = 5V VCC = 5V 150 (ns) 60 3 t PHL 100 RISE TIME (ns) CURRENT (mA) 40 2 50 20 1 UPSTREAM CONNECTED TO CHANNEL 1, SCL BUS LOW, SDA BUS HIGH 0 0 0 –50 –25 0 25 50 75 100 125 0 200 400 600 800 1000 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) CAPACITANCE, CBUS (pF) TEMPERATURE (°C) 4306 G01 4306 G02 4306 G03
VOS,DOWN-BUF VOS,UP-BUF vs Bus Pull-Up Current vs Bus Pull-Up Current
180 300 160 250 140 120 200 VCC = 3.3V 100 VCC = 3.3V (mV) VCC = 5V (mV) 150 OSV 80 OS V V CC = 5V 60 100 40 50 20 0 0 0 1 2 3 4 0 1 2 3 4 BUS PULL-UP CURRENT (mA) BUS PULL-UP CURRENT (mA) 4306 G04 4306 G05
Downstream RFET On Resistance vs VCC and Temperature IBOOST vs Temperature
45 14 40 12 35 10 30 V V CC = 5V ) CC = 3.3V Ω 25 8 ( (mA) VCC = 5V ONR 20 6 I BOOST V 15 CC = 3.3V 4 10 2 5 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 4306 G06 4306 G07 4306f 5
W U TYPICAL PERFOR A CE CHARACTERISTICS (TA = 25
°
C, unless otherwise indicated) Buffer Circuitry tPHL vs Temperature Rise Time vs CBUS vs VCC ICC vs Temperature
120 250 6 dV = 0.3V • VCC TO 0.7V • VCC V R CC = 5V BUS = 10k 100 5 200 VCC = 3.3V V VCC = 3.3V 80 CC = 3.3V V 4 CC = 5V VCC = 5V 150 (ns) 60 3 t PHL 100 RISE TIME (ns) CURRENT (mA) 40 2 50 20 1 UPSTREAM CONNECTED TO CHANNEL 1, SCL BUS LOW, SDA BUS HIGH 0 0 0 –50 –25 0 25 50 75 100 125 0 200 400 600 800 1000 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) CAPACITANCE, CBUS (pF) TEMPERATURE (°C) 4306 G01 4306 G02 4306 G03
VOS,DOWN-BUF VOS,UP-BUF vs Bus Pull-Up Current vs Bus Pull-Up Current
180 300 160 250 140 120 200 VCC = 3.3V 100 VCC = 3.3V (mV) VCC = 5V (mV) 150 OSV 80 OS V V CC = 5V 60 100 40 50 20 0 0 0 1 2 3 4 0 1 2 3 4 BUS PULL-UP CURRENT (mA) BUS PULL-UP CURRENT (mA) 4306 G04 4306 G05
Downstream RFET On Resistance vs VCC and Temperature IBOOST vs Temperature
45 14 40 12 35 10 30 V V CC = 5V ) CC = 3.3V Ω 25 8 ( (mA) VCC = 5V ONR 20 6 I BOOST V 15 CC = 3.3V 4 10 2 5 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 4306 G06 4306 G07 4306f 5
