參數(shù)資料
型號： LTC1546
廠商： Linear Technology Corporation
英文描述： Software-Selectable Multiprotocol Transceiver with Termination(軟件-可選擇多協(xié)議3發(fā)3收收發(fā)器（帶終端）)
中文描述： 軟件選擇多協(xié)議收發(fā)器與終端（軟件-可選擇多協(xié)議3發(fā)3收收發(fā)器（帶終端））
文件頁數(shù)： 4/20頁
文件大?。?/td> 267K
代理商： LTC1546
4
LTC1546
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V (Notes 2, 3)
SYMBOL
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
PARAMETER
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
CONDITIONS
V
A
,
V
B
= 0V
V
A
,
V
B
= 0V
V
A
and
V
B
≤
0.25V
MIN
–13
9.0
TYP
–11
11
±
1
100
150
5
35
35
0
4
MAX
–9.0
13
±
100
150
165
UNITS
mA
mA
G
G
G
μ
A
ns
ns
ns
ns
ns
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
V.28 Receive
r
V
THL
V
TLH
V
TH
R
IN
t
r
, t
f
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
Input Low Threshold Voltage
Input High Threshold Voltage
Receiver Input Hysteresis
Receiver Input Impedance
Rise or Fall Time
Input to Output
Input to Output
(Figure 12)
(Figure 12)
(Figure 12)
–15V
≤
V
A
≤
15V
C
L
= 50pF (Figures 12, 16)
C
L
= 50pF (Figures 12, 16)
C
L
= 50pF (Figures 12, 16)
G
1.2
1.2
0.05
5
15
60
160
0.8
V
V
V
G
2
0
3
G
0.3
7
G
k
ns
ns
ns
G
300
300
G
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
All currents into device pins are positive; all currents out of device
are negative. All voltages are referenced to device ground unless otherwise
specified.
Note 3:
All typicals are given for V
CC
= 5V, C1 = C2 = C
VCC
= C
VDD
= 1
μ
F,
C
VEE
= 3.3
μ
F and T
A
= 25
°
C.
ELECTRICAL CHARACTERISTICS
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