Datasheet LTC4301L (Analog Devices) - 4

制造商Analog Devices
描述Hot Swappable 2-Wire Bus Buffer with Low Voltage Level Translation
页数 / 页12 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. Input – Output High to Low …
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TYPICAL PERFOR A CE CHARACTERISTICS. Input – Output High to Low Propagation Delay vs. ICC vs Temperature. Temperature

TYPICAL PERFOR A CE CHARACTERISTICS Input – Output High to Low Propagation Delay vs ICC vs Temperature Temperature

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LTC4301L
W U TYPICAL PERFOR A CE CHARACTERISTICS Input – Output High to Low Propagation Delay vs ICC vs Temperature Temperature Connection Circuitry VOUT – VIN
4.9 100 300 V T CC = 2.7V A = 25°C 4.8 V V IN = 0V CC = 5.5V 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 TIME (ns) V 4.3 40 CC = 5V V V CC = 2.7V CC = 5.5V OUTV 100 4.2 V 4.1 20 CC = 3.3V 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
U U U PI FU CTIO S CS (Pin 1):
The connection sense pin is a 1.4V threshold
READY (Pin 5):
The READY pin is an open drain N-channel digital input pin. For normal operation CS is grounded. MOSFET output which pulls down when CS is high or Driving CS above the 1.4V threshold isolates SDAIN from when the start-up sequence described in the Operation SDAOUT and SCLIN from SCLOUT and asserts READY section has not been completed. READY goes high when low. CS is low and a start-up is complete.
SCLOUT (Pin 2):
Serial Clock Output. Connect this pin to
SDAIN (Pin 6):
Serial Data Input. Connect this pin to the the SCL bus on the card. SDA bus on the backplane.
SCLIN (Pin 3):
Serial Clock Input. Connect this pin to SCL
SDAOUT (Pin 7):
Serial Data Output. Connect this pin to on the bus backplane. the SDA bus on the card.
GND (Pin 4, 9):
Ground. Connect this pin to a ground plane
VCC (Pin 8):
Main Input Supply. Place a bypass capacitor for best results. Exposed pad (DFN package) is ground. of at least 0.01µF close to VCC for best results. 4301lfa 4