Datasheet LTC1694 (Analog Devices) - 3
| Manufacturer | Analog Devices |
| Description | SMBus/I²C Accelerator |
| Pages / Page | 8 / 3 — TYPICAL PERFOR A CE CHARACTERISTICS. Boosted Pull-Up Current vs. Pull-Up … |
| File Format / Size | PDF / 191 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Boosted Pull-Up Current vs. Pull-Up Current at SMBus = 0V. Boosted Pull-Up Current
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LTC1694
W U TYPICAL PERFOR A CE CHARACTERISTICS Boosted Pull-Up Current vs Pull-Up Current at SMBus = 0V Boosted Pull-Up Current SMBus Voltage
350 3.50 3.5 325 3.25 V 3.0 300 CC = 6V 3.00 µA) 275 V 2.75 2.5 V CC = 5V CC = 6V 250 2.50 VCC = 6V VCC = 2.7V 2.0 225 2.25 VCC = 5V VCC = 5V 200 2.00 1.5 175 1.75 VCC = 2.7V 1.0 PULL-UP CURRENT ( 150 1.50 VCC = 2.7V BOOSTED PULL-UP CURRENT (mA) BOOSTED PULL-UP CURRENT (mA) 0.5 125 1.25 100 1.00 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 TEMPERATURE (°C) TEMPERATURE (°C) SMBus VOLTAGE (V) 1694 G01 1694 G02 LT1694 G03
Input Threshold Voltage Slew Rate Detector Threshold Standby Mode Supply Current
0.90 0.50 100 0.85 µs) 0.45 90 0.80 0.40 80 0.75 0.35 µA) 0.70 V 70 CC = 5V 0.30 VCC = 6V VCC = 6V 0.65 0.25 60 0.60 V 0.20 V CC = 2.7V CC = 5V V 50 V CC = 6V CC = 2.7V 0.55 0.15 SUPPLY CURRENT ( 40 0.50 0.10 VCC = 2.7V INPUT THRESHOLD VOLTAGE (V) VCC = 5V 0.45 0.05 30 SLEW RATE DETECTOR THRESHOLD (V/ 0.40 0 20 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1694 G04 1694 G05 1694 G06
U U U PI FU CTIO S VCC (Pin 1):
Power Supply Input. VCC can range from 2.7V
SMBus2 (Pin 4):
Active Pull-Up for SMBus. to 6V and requires a 0.1µF bypass capacitor to GND.
SMBus1 (Pin 5):
Active Pull-Up for SMBus.
GND (Pin 2):
Ground.
NC (Pin 3):
No Connection. 1694fa 3
W U TYPICAL PERFOR A CE CHARACTERISTICS Boosted Pull-Up Current vs Pull-Up Current at SMBus = 0V Boosted Pull-Up Current SMBus Voltage
350 3.50 3.5 325 3.25 V 3.0 300 CC = 6V 3.00 µA) 275 V 2.75 2.5 V CC = 5V CC = 6V 250 2.50 VCC = 6V VCC = 2.7V 2.0 225 2.25 VCC = 5V VCC = 5V 200 2.00 1.5 175 1.75 VCC = 2.7V 1.0 PULL-UP CURRENT ( 150 1.50 VCC = 2.7V BOOSTED PULL-UP CURRENT (mA) BOOSTED PULL-UP CURRENT (mA) 0.5 125 1.25 100 1.00 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 TEMPERATURE (°C) TEMPERATURE (°C) SMBus VOLTAGE (V) 1694 G01 1694 G02 LT1694 G03
Input Threshold Voltage Slew Rate Detector Threshold Standby Mode Supply Current
0.90 0.50 100 0.85 µs) 0.45 90 0.80 0.40 80 0.75 0.35 µA) 0.70 V 70 CC = 5V 0.30 VCC = 6V VCC = 6V 0.65 0.25 60 0.60 V 0.20 V CC = 2.7V CC = 5V V 50 V CC = 6V CC = 2.7V 0.55 0.15 SUPPLY CURRENT ( 40 0.50 0.10 VCC = 2.7V INPUT THRESHOLD VOLTAGE (V) VCC = 5V 0.45 0.05 30 SLEW RATE DETECTOR THRESHOLD (V/ 0.40 0 20 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 1694 G04 1694 G05 1694 G06
U U U PI FU CTIO S VCC (Pin 1):
Power Supply Input. VCC can range from 2.7V
SMBus2 (Pin 4):
Active Pull-Up for SMBus. to 6V and requires a 0.1µF bypass capacitor to GND.
SMBus1 (Pin 5):
Active Pull-Up for SMBus.
GND (Pin 2):
Ground.
NC (Pin 3):
No Connection. 1694fa 3
