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參數(shù)資料
| 型號： | LTC1544 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Software-Selectable Multiprotocol Transceiver |
| 中文描述： | 軟件選擇多協(xié)議收發(fā)器 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 277K |
| 代理商： | LTC1544 |
3
LTC1544
The
G
denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V, V
DD
= 8V, V
EE
= –7V for V.28, –5.5V for V.10, V.11 (Notes 2, 3)
SYMBOL
Logic Inputs and Outputs
V
IH
V
IL
I
IN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
G
2
V
V
G
0.8
±
10
–30
–30
±
10
D1, D2, D3, D4
M0, M1, M2, DCE, INVERT = GND (LTC1544C)
M0, M1, M2, DCE, INVERT = GND (LTC1544I)
M0, M1, M2, DCE, INVERT = V
CC
I
O
= –4mA
I
O
= 4mA
0V
≤
V
O
≤
V
CC
M0 = M1 = M2 = V
CC
, 0V
≤
V
O
≤
V
CC
G
G
G
G
μ
A
μ
A
μ
A
μ
A
V
V
mA
μ
A
–100
–120
–50
–50
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
40
±
1
G
0.8
50
G
–50
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
–0.25V
≤
V
O
≤
0.25V, Power Off or
No-Cable Mode or Driver Disabled
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
(Figures 2, 5)
±
150
±
100
mA
μ
A
G
±
1
t
r
, t
f
Rise or Fall Time
G
G
2
2
15
15
40
40
40
40
3
3
3
25
35
65
75
65
75
12
17
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
PLH
Input to Output
G
G
20
20
20
20
0
0
t
PHL
Input to Output
G
G
t
Input to Output Difference,
t
PLH
– t
PHL
G
G
t
SKEW
V.11 Receiver
V
TH
V
TH
I
IN
R
IN
t
r
, t
f
t
PLH
Output to Output Skew
Input Threshold Voltage
Input Hysteresis
Input Current (A, B)
Input Impedance
Rise or Fall Time
Input to Output
–7V
≤
V
CM
≤
7V
–7V
≤
V
CM
≤
7V
–10V
≤
V
A,B
≤
10V
–10V
≤
V
A,B
≤
10V
(Figures 2, 6)
LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
G
–0.2
0.2
40
±
0.66
V
G
15
mV
mA
k
ns
ns
ns
ns
ns
ns
ns
G
G
15
30
15
50
50
50
50
4
4
G
G
80
90
80
90
16
21
t
PHL
Input to Output
G
G
t
Input to Output Difference,
t
PLH
– t
PHL
G
G
0
0
ELECTRICAL CHARACTERISTICS
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