LTC1482I データシートの表示（PDF） - Linear Technology
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LTC1482I Datasheet PDF : 16 Pages
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LTC1482
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5% (Notes 2 and 3) unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP MAX
UNITS
VTHCD Differential Input Threshold Voltage for CD = 1
– 7V ≤ VCM ≤ 12V, DE = 0
q – 0.20
0.20
V
∆VTH
Receiver Input Hysteresis
VCM = 0V, DE = 0
± 30
mV
VOH
CD Output High Voltage
IOUT = – 10µA, (VA – VB) = 0V
q
3.4
V
RO Output High Voltage
IOUT = – 4mA, (VA – VB) = 200mV
q
3.5
V
VOL
RO and CD Output Low Voltage
IOUT = 4mA, (VA – VB) = – 200mV
q
0.4
V
IOZR
Three-State (High Impedance) Receiver Output
VCC = Max, 0.4V ≤ VOUT ≤ 2.4V
q
Current in Shutdown
DI/SHDN = 0, DE = 0
±1
µA
RIN
Receiver Input Resistance
–7V ≤ VCM ≤ 12V
q
12
22
kΩ
ICC
Supply Current
No Load, Driver Enabled (DE = VCC) q
No Load, Driver Disabled (DE = 0) q
580 900
µA
430 700
µA
ISHDN
Supply Current in Shutdown Mode
DE = 0, DI = 0
q
10
20
µA
IOSD1
IOSD2
Driver Short-Circuit Current, VOUT = High (Note 4) – 7V ≤ VOUT ≤ 10V
Driver Short-Circuit Current, VOUT = Low (Note 4) – 7V ≤ VOUT ≤ 10V
35
250
mA
35
250
mA
IOS
RO and CD Short-Circuit Current
0V ≤ VOUT ≤ VCC
q
7
85
mA
IPULL-UP CD Pull-Up Current
CD = 0V
q
15
30
60
µA
U
SWITCHING CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5% (Notes 2 and 3) unless otherwise noted.
SYMBOL
tPLH
tPHL
tSKEW
tr, tf
tZH
tZL
tLZ
tHZ
tZH(SHDN)
tZL(SHDN)
tHZ(SHDN)
tLZ(SHDN)
fMAX
tPLH
PARAMETER
Driver Input to Output
Driver Input to Output
Driver Output to Output
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Driver Enable from Shutdown to Output High
(Note 5)
Driver Enable from Shutdown to Output Low
Driver Disable on Shutdown from Output High
Driver Disable on Shutdown from Output Low
Maximum Data Rate (Note 6)
Receiver Input to Output (Note 7)
tPHL
Receiver Input to Output
tSKD
|tPLH – tPHL| Differential Receiver Skew
tCDH
Receiver Input to CD Output High (Note 7)
tCDL
Receiver Input to CD Output Low (Note 7)
CONDITIONS
RDIFF = 54Ω, CL1 = CL2 = 100pF
q
(Figures 4, 6)
q
q
q
CL = 100pF (Figures 5, 7) S2 Closed q
CL = 100pF (Figures 5, 7) S1 Closed q
CL = 15pF (Figures 5, 7) S1 Closed q
CL = 15pF (Figures 5, 7) S2 Closed q
CL = 100pF (Figures 5, 7) S2 Closed q
CL = 100pF (Figures 5, 7) S1 Closed q
CL = 15pF (Figures 5, 7) S2 Closed q
CL = 15pF (Figures 5, 7) S1 Closed q
q
RDIFF = 54Ω, CL1 = CL2 = 100pF,
q
(Figures 4, 8)
RDIFF = 54Ω, CL1 = CL2 = 100pF,
q
(Figures 4, 8)
RDIFF = 54Ω, CL1 = CL2 = 100pF,
(Figures 4, 8)
RDIFF = 54Ω, CL1 = CL2 = 100pF,
q
(Figures 4, 10) DI/SHDN = VCC
RDIFF = 54Ω, CL1 = CL2 = 100pF,
q
(Figures 4, 10) DI/SHDN = VCC
MIN TYP MAX
10
28
60
10
30
60
2
10
3
15
40
40
70
40
100
40
70
40
70
40
100
40
100
40
100
40
100
4
5
30
138 200
30
122 200
16
2900 5000
150 300
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Mbps
ns
ns
ns
ns
ns
3
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