LTC2847 Linear Technology, LTC2847 Datasheet - Page 4

• Manufacturer Part Number: LTC2847
• Description: Software-Selectable Multiprotocol Transceiver
• Manufacturer: Linear Technology

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LTC2847
ELECTRICAL CHARACTERISTICS
SYMBOL
V.11 Receiver
V
R
t
t
t
V.35 Driver
V
V
V
I
I
I
R
R
t
t
t
t
V.35 Receiver
V
R
R
t
t
t
V.28 Driver
V
I
R
SR
t
t
temperature range, otherwise specifications are at T
4
OH
OL
OZ
PLH
PHL
SS
r
PLH
PHL
r
PLH
PHL
SKEW
r
PLH
PHL
TH
IN
t
OD
OA
OC
OD
OC
t
TH
ID
IC
t
O
OZ
V
, t
, t
V
, t
4
TH
TH
f
, V
f
f
OB
PARAMETER
Input Threshold Voltage
Input Hysteresis
Input Impedance
Rise or Fall Time
Input to Output Rising
Input to Output Falling
Input to Output Difference, t
Differential Output Voltage
Single-Ended Output Voltage
Transmitter Output Offset
Transmitter Output High Current
Transmitter Output Low Current
Transmitter Output Leakage Current
Transmitter Differential Mode Impedance
Transmitter Common Mode Impedance
Rise or Fall Time
Input to Output
Input to Output
Input to Output Difference, t
Output to Output Skew
Differential Receiver Input Threshold Voltage
Receiver Input Hysteresis
Receiver Differential Mode Impedance
Receiver Common Mode Impedance
Rise or Fall Time
Input to Output
Input to Output
Input to Output Difference, t
Output Voltage
Short-Circuit Current
Power-Off Resistance
Slew Rate
Input to Output
Input to Output
PLH
PLH
PLH
– t
– t
– t
PHL
PHL
PHL
A
= 25 C. V
CONDITIONS
– 7V V
– 7V V
–7V V
C
C
C
C
Open Circuit, R
With Load, – 4V V
Open Circuit, R
R
V
V
– 2V V
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
– 2V V
– 2V V
– 2V V
– 2V V
C
C
C
C
Open Circuit
R
V
– 2V < V
or No-Cable Mode
R
R
R
L
L
L
L
A
A
V
L
L
L
L
OUT
L
L
L
L
L
, V
, V
A
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50pF (Figures 4, 14)
= 50 (Figure 5)
= 3k (Figure 11)
= 7k, C
= 3k, C
= 3k, C
The
B
B
= GND
and V
= 0V
= 0V
CM
O
CM
CM
CM
CM
CM
CM
CM
CC
< 2V, Power Off
L
L
L
denotes specifications which apply over the full operating
= 0 (Figures 11, 15)
= 2500pF (Figures 11, 15)
= 2500pF (Figures 11, 15)
= 5V, V
B
7V (Figure 3)
7V
7V
2V (Figure 7)
2V
2V (Figure 10)
2V (Figure 9)
2V (Figure 9)
L
L
= 1.95k (Figure 5)
= 1.95k (Figure 5)
0.25V
CM
IN
= 3.3V, unless otherwise noted (Notes 2, 3)
4V (Figure 6)
– 0.2
– 0.2
MIN
100
135
135
300
0.44
– 9
50
15
15
90
0
9
0
4
5
TYP
– 11
103
100
150
103
150
0.55
1.5
1.5
15
15
50
50
11
35
35
15
15
50
50
8.5
4
5
0
4
4
1
MAX
– 13
150
165
110
165
0.2
0.2
2.5
2.5
40
90
90
25
13
65
65
16
40
90
90
25
30
100
150
1.2
0.66
1.2
0.6
10
sn2847 2847fs
UNITS
V/ s
mV
mA
mA
mV
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
A
V
V
V
s
s