LTC1343 查看數據表（PDF） - Linear Technology
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LTC1343 Datasheet PDF : 28 Pages
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LTC1343
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
tr
Supply Rise Time
No-Cable Mode or Power-Up to Turn On
2
Logic Inputs and Outputs
VIH
Logic Input High Voltage
VIL
Logic Input Low Voltage
IIN
Logic Input Current
VOH
Output High Voltage
VOL
Output Low Voltage
IOSR
Output Short-Circuit Current
IOZR
Three-State Output Current
V.11 Driver
IO = – 4mA
IO = 4mA
0V ≤ VO ≤ VCC, 0°C ≤ TA ≤ 70°C
0V ≤ VO ≤ VCC, – 40°C ≤ TA ≤ 85°C
M0 = M1 = M2 = VCC, 0V ≤ VO ≤ VCC
q
2
q
0.8
q
± 10
q
3
4.5
q
0.3
0.8
q – 60
60
q – 70
70
±1
VOD
Differential Output Voltage
Open Circuit, RL = 1.95k
q
±6
RL = 50Ω (Figure 1),
q ±2
VOD at 50Ω > 1/2 VOD at RL = 1.95k
∆VOD
Change in Magnitude of Differential
Output Voltage
RL = 50Ω (Figure 1)
q
0.2
VOC
∆VOC
Common Mode Output Voltage
Change in Magnitude of Common Mode
Output Voltage
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
q
3.0
q
0.2
ISS
Short-Circuit Current
– 0.25V ≤ VO ≤ 0.25V, Power Off or
No-Cable Mode or Driver Disabled
±150
IOZ
Output Leakage Current
– 0.25V ≤ VO ≤ 0.25V, Power Off or
No-Cable Mode or Driver Disabled
q
±0.01 ±100
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
(Figures 2, 6)
(Figures 2, 6), 0°C ≤ TA ≤ 70°C
(Figures 2, 6), – 40°C ≤ TA ≤ 85°C
(Figures 2, 6), 0°C ≤ TA ≤ 70°C
(Figures 2, 6), – 40°C ≤ TA ≤ 85°C
(Figures 2, 6), 0°C ≤ TA ≤ 70°C
(Figures 2, 6), – 40°C ≤ TA ≤ 85°C
(Figures 2, 6)
q
4
13
25
q 25
55
80
q 25
55
90
q 25
55
80
q 25
55
90
q
0
q
0
3
17
3
25
3
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
– 7V ≤ VCM ≤ 7V, 0°C ≤ TA ≤ 70°C
– 7V ≤ VCM ≤ 7V, – 40°C ≤ TA ≤ 85°C
– 7V ≤ VCM ≤ 7V, 0°C ≤ TA ≤ 70°C
– 7V ≤ VCM ≤ 7V, – 40°C ≤ TA ≤ 85°C
– 10V ≤ VA, B ≤ 10V
– 10V ≤ VA, B ≤ 10V
(Figures 2, 7)
q – 0.2
q – 0.3
q
q
q
q 20
(Figures 2, 7), CTRL = GND, 0°C ≤ TA ≤ 70°C q 35
CTRL = VCC, 0°C ≤ TA ≤ 70°C
(Figures 2, 7), CTRL = GND, – 40°C ≤ TA ≤ 85°C q 25
CTRL = VCC, – 40°C ≤ TA ≤ 85°C
0.2
0.3
15
40
60
± 0.50
32
15
80
115
400
80
130
400
UNITS
ms
V
V
µA
V
V
mA
mA
µA
V
V
V
V
V
mA
µA
ns
ns
ns
ns
ns
ns
ns
ns
V
V
mV
mV
mA
kΩ
ns
ns
ns
ns
ns
3
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