參數(shù)資料
型號： 2847
廠商： Linear Technology Corporation
英文描述： Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface
中文描述： 軟件選擇多協(xié)議收發(fā)器終止和3.3V數(shù)字接口
文件頁數(shù)： 4/20頁
文件大?。?/td> 275K
代理商： 2847
4
LTC2847
sn2847 2847fs
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, V
IN
= 3.3V, unless otherwise noted (Notes 2, 3)
ELECTRICAL CHARACTERISTICS
SYMBOL
V.11 Receiver
V
TH
V
TH
R
IN
t
r
, t
f
t
PLH
t
PHL
t
V.35 Driver
V
OD
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Threshold Voltage
Input Hysteresis
Input Impedance
Rise or Fall Time
Input to Output Rising
Input to Output Falling
Input to Output Difference,
t
PLH
– t
PHL
–7V
≤
V
CM
≤
7V
–7V
≤
V
CM
≤
7V
–7V
≤
V
CM
≤
7V (Figure 3)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
G
–0.2
0.2
40
V
G
15
103
15
50
50
4
mV
ns
ns
ns
ns
G
100
G
90
90
25
G
G
0
Differential Output Voltage
Open Circuit, R
L
= 1.95k (Figure 5)
With Load, –4V
≤
V
CM
≤
4V (Figure 6)
Open Circuit, R
L
= 1.95k (Figure 5)
R
L
= 50
(Figure 5)
V
A
,
V
B
= 0V
V
A
,
V
B
= 0V
V
A
and
V
B
≤
0.25V
G
±
1.2
±
0.66
±
1.2
±
0.6
–13
13
±
100
150
165
V
V
V
V
±
0.44
±
0.55
V
OA
, V
OB
V
OC
I
OH
I
OL
I
OZ
R
OD
R
OC
t
r
, t
f
t
PLH
t
PHL
t
t
SKEW
V.35 Receiver
V
TH
V
TH
R
ID
R
IC
t
r
, t
f
t
PLH
t
PHL
t
V.28 Driver
V
O
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
PLH
– t
PHL
Output to Output Skew
G
G
G
–9
9
–11
11
±
1
100
150
5
35
35
0
4
mA
mA
μ
A
ns
ns
ns
ns
ns
G
G
G
50
135
–2V
≤
V
CM
≤
2V (Figure 7)
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
(Figures 8, 13)
G
15
15
65
65
16
G
G
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
PLH
– t
PHL
–2V
≤
V
CM
≤
2V (Figure 9)
–2V
≤
V
CM
≤
2V (Figure 9)
–2V
≤
V
CM
≤
2V
–2V
≤
V
CM
≤
2V (Figure 10)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
C
L
= 50pF (Figures 4, 14)
G
–0.2
0.2
40
110
165
V
G
15
103
150
15
50
50
4
mV
ns
ns
ns
ns
G
90
135
G
90
90
25
G
G
0
Output Voltage
Open Circuit
R
L
= 3k (Figure 11)
V
OUT
= GND
–2V < V
O
< 2V, Power Off
or No-Cable Mode
R
L
= 7k, C
L
= 0 (Figures 11, 15)
R
L
= 3k, C
L
= 2500pF (Figures 11, 15)
R
L
= 3k, C
L
= 2500pF (Figures 11, 15)
G
G
±
10
V
V
±
5
±
8.5
I
SS
R
OZ
Short-Circuit Current
Power-Off Resistance
G
±
150
mA
G
300
SR
t
PLH
t
PHL
Slew Rate
Input to Output
Input to Output
G
4
30
2.5
2.5
V/
μ
s
μ
s
μ
s
G
1.5
1.5
G
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