參數(shù)資料
型號(hào): 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): 4/20頁
文件大?。?/td> 277K
代理商: LTC1544
4
LTC1544
Note 1:
Absolute Maximum Ratings are those beyond which the safety of a
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, V
DD
= 8V, V
EE
= –7V for V.28,
–5.5V for V.10, V.11 and T
A
= 25
°
C.
SYMBOL
V.10 Driver
V
O
V
T
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
Output Voltage
Open Circuit, R
L
= 3.9k
R
L
= 450
(Figure 3)
R
L
= 450
(Figure 3)
V
O
= GND
–0.25V
V
O
0.25V, Power Off or
No-Cable Mode or Driver Disabled
R
L
= 450
, C
L
= 100pF (Figures 3, 7)
R
L
= 450
, C
L
= 100pF (Figures 3, 7)
R
L
= 450
, C
L
= 100pF (Figures 3, 7)
G
±
4
±
3.6
±
6
V
V
G
0.9V
O
I
SS
I
OZ
Short-Circuit Current
Output Leakage Current
±
150
±
100
mA
μ
A
G
±
0.1
t
r
, t
f
t
PLH
t
PHL
V.10 Receiver
V
TH
V
TH
I
IN
R
IN
t
r
, t
f
t
PLH
t
PHL
t
V.28 Driver
V
O
Rise or Fall Time
Input to Output
Input to Output
2
1
1
μ
s
μ
s
μ
s
Receiver Input Threshold Voltage
Receiver Input Hysteresis
Receiver Input Current
Receiver Input Impedance
Rise or Fall Time
Input to Output
Input to Output
Input to Output Difference,
t
PLH
– t
PHL
G
–0.25
0.25
50
±
0.66
V
G
25
mV
mA
k
ns
ns
ns
ns
–10V
V
A
10V
–10V
V
A
10V
(Figures 4, 8)
(Figures 4, 8)
(Figures 4, 8)
(Figures 4, 8)
G
G
15
30
15
55
109
60
Output Voltage
Open Circuit
R
L
= 3k (Figure 3)
V
O
= GND
–0.25V
V
O
0.25V, Power Off or
No-Cable Mode or Driver Disabled
R
L
= 3k, C
L
= 2500pF (Figures 3, 7)
R
L
= 3k, C
L
= 2500pF (Figures 3, 7)
R
L
= 3k, C
L
= 2500pF (Figures 3, 7)
G
G
±
10
V
V
±
5
±
8.5
I
SS
I
OZ
Short-Circuit Current
Output Leakage Current
G
±
150
±
100
mA
μ
A
G
±
1
SR
t
PLH
t
PHL
V.28 Receiver
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
1.3
1.3
G
Input Low Threshold Voltage
Input High Threshold Voltage
Receiver Input Hysterisis
Receiver Input Impedance
Rise or Fall Time
Input to Output
Input to Output
G
1.5
1.6
0.1
5
15
60
150
0.8
V
V
V
G
2
0
3
G
0.3
7
–15V
V
A
15V
(Figures 4, 8)
(Figures 4, 8)
(Figures 4, 8)
G
k
ns
ns
ns
G
100
450
G
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)
ELECTRICAL CHARACTERISTICS
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