Datasheet LTC4301 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | Supply Independent Hot Swappable 2-Wire Bus Buffer |
| Seiten / Seite | 12 / 3 — ELECTRICAL CHARACTERISTICS The. indicates specifications which apply over … |
| Dateiformat / Größe | PDF / 229 Kb |
| Dokumentensprache | Englisch |
ELECTRICAL CHARACTERISTICS The. indicates specifications which apply over the full operating
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LTC4301
ELECTRICAL CHARACTERISTICS The
●
indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 2.7V to 5.5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input-Output Connection
VOS Input-Output Offset Voltage 10k to VCC on SDA, SCL, VCC = 3.3V, ● 0 100 175 mV SDA or SCL = 0.2V (Note 2) CIN Digital Input Capacitance SDAIN, SDAOUT, (Note 3) 10 pF SCLIN, SCLOUT ILEAK Input Leakage Current SDA, SCL Pins ±5 µA VOL Output Low Voltage, Input = 0V SDA, SCL Pins, ISINK = 3mA, VCC = 2.7V ● 0 0.4 V
Timing Characteristics
fI2C,MAX I2C Maximum Operating Frequency (Note 3) 400 600 kHz tBUF Bus Free Time Between Stop and Start (Note 3) 1.3 µs Condition tHD,STA Hold Time After (Repeated) Start Condition (Note 3) 100 ns tSU,STA Repeated Start Condition Set-Up Time (Note 3) 0 ns tSU,STO Stop Condition Set-Up Time (Note 3) 0 ns tHD,DATI Data Hold Time Input (Note 3) 0 ns tSU,DAT Data Set-Up Time (Note 3) 100 ns
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
The connection circuitry always regulates its output to a higher may cause permanent damage to the device. Exposure to any Absolute voltage than its input. The magnitude of this offset voltage as a function of Maximum Rating condition for extended periods may affect device the pull-up resistor and VCC voltage is shown in the Typical Performance reliability and lifetime. Characteristics section.
Note 3:
Determined by design, not tested in production.
W U TYPICAL PERFOR A CE CHARACTERISTICS Input – Output High to Low ICC vs Temperature Propagation Delay vs Temperature Connection Circuitry VOUT – VIN
4.9 100 300 T V A = 25°C 4.8 CC = 2.7V V V CC = 5.5V IN = 0V 250 4.7 80 4.6 VCC = 3.3V 200 4.5 60 (mV) V IN (mA) 4.4 CC = 3.3V 150 – V I CC 4.3 TIME (ns) VCC = 5V 40 VCC = 2.7V V OUT CC = 5.5V V 100 4.2 V 4.1 CC = 3.3V 20 CIN = COUT = 100pF 50 4.0 RPULLUPIN = RPULLUPOUT = 10k 3.9 0 0 –80 –60 –40 –20 0 20 40 60 80 100 –50 –25 0 25 50 75 100 0 10,000 20,000 30,000 40,000 TEMPERATURE (°C) TEMPERATURE (°C) RPULLUP (Ω) 4301 G01 4301 G02 4301 G03 4301fb 3
ELECTRICAL CHARACTERISTICS The
●
indicates specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 2.7V to 5.5V, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input-Output Connection
VOS Input-Output Offset Voltage 10k to VCC on SDA, SCL, VCC = 3.3V, ● 0 100 175 mV SDA or SCL = 0.2V (Note 2) CIN Digital Input Capacitance SDAIN, SDAOUT, (Note 3) 10 pF SCLIN, SCLOUT ILEAK Input Leakage Current SDA, SCL Pins ±5 µA VOL Output Low Voltage, Input = 0V SDA, SCL Pins, ISINK = 3mA, VCC = 2.7V ● 0 0.4 V
Timing Characteristics
fI2C,MAX I2C Maximum Operating Frequency (Note 3) 400 600 kHz tBUF Bus Free Time Between Stop and Start (Note 3) 1.3 µs Condition tHD,STA Hold Time After (Repeated) Start Condition (Note 3) 100 ns tSU,STA Repeated Start Condition Set-Up Time (Note 3) 0 ns tSU,STO Stop Condition Set-Up Time (Note 3) 0 ns tHD,DATI Data Hold Time Input (Note 3) 0 ns tSU,DAT Data Set-Up Time (Note 3) 100 ns
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 2:
The connection circuitry always regulates its output to a higher may cause permanent damage to the device. Exposure to any Absolute voltage than its input. The magnitude of this offset voltage as a function of Maximum Rating condition for extended periods may affect device the pull-up resistor and VCC voltage is shown in the Typical Performance reliability and lifetime. Characteristics section.
Note 3:
Determined by design, not tested in production.
W U TYPICAL PERFOR A CE CHARACTERISTICS Input – Output High to Low ICC vs Temperature Propagation Delay vs Temperature Connection Circuitry VOUT – VIN
4.9 100 300 T V A = 25°C 4.8 CC = 2.7V V V CC = 5.5V IN = 0V 250 4.7 80 4.6 VCC = 3.3V 200 4.5 60 (mV) V IN (mA) 4.4 CC = 3.3V 150 – V I CC 4.3 TIME (ns) VCC = 5V 40 VCC = 2.7V V OUT CC = 5.5V V 100 4.2 V 4.1 CC = 3.3V 20 CIN = COUT = 100pF 50 4.0 RPULLUPIN = RPULLUPOUT = 10k 3.9 0 0 –80 –60 –40 –20 0 20 40 60 80 100 –50 –25 0 25 50 75 100 0 10,000 20,000 30,000 40,000 TEMPERATURE (°C) TEMPERATURE (°C) RPULLUP (Ω) 4301 G01 4301 G02 4301 G03 4301fb 3