參數(shù)資料
型號(hào)： 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(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 267K
代理商： LTC1546
3
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
f
OSC
t
r
Logic Inputs and Outputs
V
IH
V
IL
I
IN
PARAMETER
Charge Pump Oscillator Frequency
Charge Pump Rise Time
CONDITIONS
MIN
TYP
500
2
MAX
UNITS
kHz
No-Cable Mode/Power-Off to Normal Operation
ms
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
G
2
V
V
G
0.8
±
10
–30
±
10
D1, D2, D3
M0, M1, M2, DCE = GND
M0, M1, M2, DCE = V
CC
I
O
= –3mA
I
O
= 3mA
0V
≤
V
O
≤
V
CC
M0 = M1 = M2 = V
CC
, 0V
≤
V
O
≤
V
CC
G
G
G
μ
A
μ
A
μ
A
V
V
mA
μ
A
–120
–75
V
OH
V
OL
I
OSR
I
OZR
V.11 Driver
V
ODO
V
ODL
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Current
G
3
4.5
0.3
G
0.45
50
G
–50
±
1
Open Circuit Differential Output Voltage
Loaded Differential Output Voltage
R
L
= 1.95k (Figure 1)
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
G
±
5
V
V
V
V
0.5V
ODO
±
2
0.67V
ODO
G
V
OD
Change in Magnitude of Differential
Output Voltage
Common Mode Output Voltage
Change in Magnitude of Common Mode
Output Voltage
Short-Circuit Current
Output Leakage Current
G
0.2
V
OC
V
OC
R
L
= 50
(Figure 1)
R
L
= 50
(Figure 1)
G
3
V
V
G
0.2
I
SS
I
OZ
V
OUT
= GND
V
A
and
V
B
≤
0.25V, Power Off or
No-Cable Mode or Driver Disabled
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
±
150
±
100
mA
μ
A
G
±
1
t
r
, t
f
t
PLH
t
PHL
t
t
SKEW
V.11 Receiver
V
TH
V
TH
R
IN
t
r
, t
f
t
PLH
t
PHL
t
V.35 Driver
V
OD
Rise or Fall Time
Input to Output Rising
Input to Output Falling
Input to Output Difference,
t
PLH
– t
PHL
Output to Output Skew
G
2
15
40
40
3
3
25
65
65
12
ns
ns
ns
ns
ns
G
15
15
0
G
G
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)
G
±
1.2
±
0.66
±
1.2
±
0.6
V
V
V
V
±
0.44
±
0.55
V
OA
, V
OB
V
OC
Single-Ended Output Voltage
Transmitter Output Offset
G
G
ELECTRICAL CHARACTERISTICS
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