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LTC4307 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4307
Description  Pin-Selectable, 2-Channel, 2-Wire Multiplexer with Bus Buffers
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4307 Datasheet(HTML) 3 Page - Linear Technology

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LTC4312
3
4312f
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply/Start-Up
VCC
Input Supply Range
l
2.9
5.5
V
VDD, BUS
2-Wire Bus Supply Voltage
l
2.25
5.5
V
VCC2
Output Side Accelerator Supply
Range
l
2.25
5.5
V
ICC
Input Supply Current
One or Both VENABLE1-2 = VCC = VCC2 = 5.5V (Note 3) l
6.0
7.3
9
mA
ICC(DISABLED)
Input Supply Current
VENABLE1-2 = 0V; VCC = VCC2 = 5.5V (Note 3)
l
1.6
2.2
3.5
mA
ICC2
VCC2 Supply Current
One or Both VENABLE1-2 = VCC = VCC2 = 5.5V (Note 3) l
0.35
0.5
0.6
mA
tUVLO
UVLO Delay
l
60
110
200
μs
VTH_UVLO
UVLO Threshold
l
2.3
2.6
V
VCC_UVLO(HYST) UVLO Threshold Hysteresis
Voltage
200
mV
Buffers
VOS1(SAT)
Buffer Offset Voltage
IOL = 4mA, Driven VSDAIN,SCLIN = 50mV
l
130
220
280
mV
IOL = 500μA, Driven VSDAIN,SCLIN = 50mV
l
15
60
120
mV
VOS2(SAT)
Buffer Offset Voltage
IOL = 4mA, Driven VSDAOUT,SCLOUT = 50mV
l
90
190
260
mV
IOL = 500μA, Driven VSDAOUT,SCLOUT = 50mV
l
15
55
110
mV
VOS
Buffer Offset Voltage
IOL = 4mA, Driven VSDAIN,SCLIN = 200mV
l
50
130
195
mV
IOL = 500μA, Driven VSDAIN,SCLIN = 200mV
l
15
55
110
mV
VOS2
Buffer Offset Voltage
IOL = 4mA, Driven VSDAOUT,SCLOUT = 200mV
l
35
95
170
mV
IOL = 500μA, Driven VSDAOUT,SCLOUT = 200mV
l
15
50
100
mV
VIL,FALLING
Buffer Input Logic Low Voltage
SDA, SCL Pins (Notes 4, 5)
l 0.3•VMIN 0.33•VMIN 0.36•VMIN
V
VIL,RISING
Buffer Input Logic Low Voltage
SDA, SCL Pins; ACC Grounded
l
0.5
0.6
0.7
V
SDA, SCL Pins; ACC Open or High (Notes 4, 5)
l 0.3•VMIN 0.33•VMIN 0.36•VMIN
V
ILEAK
Input Leakage Current
SDA, SCL Pins; VCC, VCC2 = 0V, 5.5V
l
±10
μA
CIN
Input Capacitance
SDA, SCL Pins (Note 6)
<20
pF
Rise Time Accelerators
dV/dt (RTA)
Minimum Slew Rate Requirement SDA, SCL Pins; VCC = VCC2 = 5V
l
0.1
0.2
0.4
V/μs
VRTA(TH)
Rise Time Accelerator DC
Threshold Voltage
SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded
l
0.7
0.8
0.9
V
ACC Open or High, VCC = VCC2 = 5V (Note 4)
l 0.36•VMIN 0.4•VMIN 0.44•VMIN
V
ΔVACC
Buffers Off to Accelerator On
Voltage
SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded
l
100
200
mV
ACC Open, VCC = VCC2 = 5V (Note 4)
l 0.05•VMIN 0.07•VMIN
mV
IRTA
Rise Time Accelerator Pull-Up
Current
SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded
(Note 7)
l
20
35
45
mA
ACC Open, VCC = VCC2 = 5V (Note 7)
l
1.5
3
4
mA
Enable/Control
VDISCEN(TH)
DISCEN Threshold Voltage
l
0.8
1.4
2
V
ΔVDISCEN(HYST) DISCEN Hysteresis Voltage
20
mV
VEN(TH)
ENABLE1-2 Threshold Voltage
l
0.8
1.4
2
V
ΔVEN(HYST)
ENABLE1-2 Hysteresis Voltage
20
mV
tLH_EN
ENABLE1-2 High to Buffer Active
0.56
1
μs
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = VCC2 = 3.3V unless otherwise noted.


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