Datasheet

LTC4312
5
4312f
TYPICAL PERFORMANCE CHARACTERISTICS
Rise Time Accelerator Current
vs Temperature
Buffer High to Low Propagation
Delay vs Output Capacitance
Input to Output Offset Voltage
vs Bus Current for Different Driven
Input Voltage Levels
Output to Input Offset Voltage
vs Bus Current for Different
Driven Output Voltage Levels
I
CC
Enabled Current
vs Supply Voltage
I
CC
Disabled (ENABLE1-2 Low)
Current vs Supply Voltage
Multiplexer Switch Resistance
R
MUX
vs Temperature
T
A
= 25°C, V
CC
= 3.3V unless otherwise noted.
Buffer DC I
OL
vs Temperature
TEMPERATURE (°C)
–50
R
MUX
(Ω)
10
5
6
7
8
9
4
500
4312 G03
10025–25 75
V
CC2
= 3.3V
V
CC2
= 5V
I
DS
= 4mA
C
BUS
(pF)
0
t
PDF
(ns)
250
50
100
150
200
0
500
4312 G05
15001000
V
CC
= V
CC2
= V
DD, BUS
= 5V
R
BUS
= 2.7kΩ
V
CC
(V)
2
I
CC
(mA)
8.0
7.5
7.0
6.5
3
4312 G01
645
V
SDAIN, SCLIN
= 0V
V
CC
(V)
2
I
CC
(mA)
3.0
2.5
1.5
2.0
1.0
3
4312 G02
645
V
SDAIN, SCLIN
= 0V
TEMPERATURE (°C)
–50
I
OL
(mA)
10
5
6
7
8
9
4
500
4312 G04
12525–25 75 100
V
SDAIN,SCLIN
= 0.4V
V
SDAOUT,SCLOUT
= 0.4V
V
CC
= V
CC2
= 3.3V
I
BUS
(mA)
0
V
OS
(mV)
350
100
50
150
200
300
250
0
2
4312 G06
64
≥200mV
100mV
DRIVEN V
SDAIN,SCLIN
= 50mV
V
CC
= V
CC2
= V
DD, BUS
= 5V
I
BUS
(mA)
0
V
OS
(mV)
350
100
50
150
200
300
250
0
2
4312 G07
64
100mV
≥200mV
DRIVEN V
SDAOUT, SCLOUT
= 50mV
V
CC
= V
CC2
= V
DD, BUS
= 5V
t
RISE(30%–70%)
vs C
BUS
C
BUS
(pF)
0
t
RISE
(ns)
150
125
100
75
25
50
0
400
4312 G09
800200 600
5V
3.3V
V
CC
= V
CC2
= V
DD, BUS
ACC = 0V
TEMPERATURE (°C)
–50
I
RTA
(mA)
16
14
12
10
8
6
0
4312 G08
100–25 25 50 75
3.3V
V
CC
= V
CC2
= V
DD, BUS
V
SDA,SCL
tV
DD,BUS
ACC = 0V
C
BUS
= 400pF
R
BUS
= 10k
5V