LTC1543(RevA) 查看數據表（PDF） - Linear Technology
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LTC1543 Datasheet PDF : 20 Pages
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LTC1543
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating tempera-
ture range. VCC = 5V (Notes 2, 3)
SYMBOL
IIN
PARAMETER
Logic Input Current
VOH
VOL
IOSR
IOZR
V.11 Driver
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Current
VODO
Open Circuit Differential Output Voltage
VODL
Loaded Differential Output Voltage
∆VOD
VOC
∆VOC
ISS
IOZ
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
tr, tf
Rise or Fall Time
t PLH
Input to Output
t PHL
Input to Output
∆t
Input to Output Difference, tPLH – tPHL
t SKEW
Output to Output Skew
V.11 Receiver
VTH
∆VTH
IIN
RIN
tr, tf
t PLH
Input Threshold Voltage
Input Hysteresis
Input Current (A, B)
Input Impedance
Rise or Fall Time
Input to Output
t PHL
Input to Output
∆t
Input to Output Difference, tPLH – tPHL
V.35 Driver
VOD
Differential Output Voltage
IOH
Transmitter Output High Current
IOL
Transmitter Output Low Current
CONDITIONS
D1, D2, D3
M0, M1, M2, DCE = GND (LTC1543C)
M0, M1, M2, DCE = GND (LTC1543I)
M0, M1, M2, DCE = VCC
IO = – 4mA
IO = 4mA
0V ≤ VO ≤ VCC
M0 = M1 = M2 = VCC, 0V ≤ VO ≤ VCC
RL = 1.95k (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
VOUT = GND
– 0.25V ≤ VO ≤ 0.25V, Power Off or
No-Cable Mode or Driver Disabled
(Figures 2, 6) (LTC1543C)
(Figures 2, 6) (LTC1543I)
(Figures 2, 6) (LTC1543C)
(Figures 2, 6) (LTC1543I)
(Figures 2, 6) (LTC1543C)
(Figures 2, 6) (LTC1543I)
(Figures 2, 6) (LTC1543C)
(Figures 2, 6) (LTC1543I)
(Figures 2, 6)
MIN TYP MAX
q
± 10
q – 100 – 50 – 30
q – 120 – 50 – 30
q
± 10
q
3
4.5
q
0.3
0.8
q – 50
50
±1
UNITS
µA
µA
µA
µA
V
V
mA
µA
q
0.5VODO
q ±2
q
±5
V
0.67VODO
V
V
0.2
V
q
3
V
q
0.2
V
150
mA
q
± 1 ±100
µA
q
2
15
25
ns
q
2
15
35
ns
q 20
40
65
ns
q 20
40
75
ns
q 20
40
65
ns
q 20
40
75
ns
q
0
3
12
ns
q
0
3
17
ns
3
ns
– 7V ≤ VCM ≤ 7V
– 7V ≤ VCM ≤ 7V
– 10V ≤ VA,B ≤ 10V
– 10V ≤ VA,B ≤ 10V
(Figures 2, 7)
(Figures 2, 7) (LTC1543C)
(Figures 2, 7) (LTC1543I)
(Figures 2, 7) (LTC1543C)
(Figures 2, 7) (LTC1543I)
(Figures 2, 7) (LTC1543C)
(Figures 2, 7) (LTC1543I)
q – 0.2
0.2
V
q
15
40
mV
q
± 0.66
mA
q 15
30
kΩ
15
ns
q
50
80
ns
q
50
90
ns
q
50
80
ns
q
50
90
ns
q
0
4
16
ns
q
0
4
21
ns
Open Circuit
q
± 10.00
V
With Load, – 4V ≤ VCM ≤ 4V (Figure 3) q ±0.44 ±0.55 ±0.66
V
VA, B = 0V
q – 13 – 11 – 9.0
mA
VA, B = 0V
q 9.0
11
13
mA
sn1534 1543fas
3
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