LTC1544 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1544 Datasheet PDF : 20 Pages
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LTC1544
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at TA = 25°C. VCC = 5V, VDD = 8V, VEE = – 7V for V.28, – 5.5V for V.10, V.11 (Notes 2, 3)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Logic Inputs and Outputs
VIH
Logic Input High Voltage
VIL
Logic Input Low Voltage
IIN
Logic Input Current
VOH
VOL
IOSR
IOZR
V.11 Driver
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Current
q
2
V
q
0.8
V
D1, D2, D3, D4
q
± 10
µA
M0, M1, M2, DCE, INVERT = GND (LTC1544C) q – 100 – 50 – 30
µA
M0, M1, M2, DCE, INVERT = GND (LTC1544I) q – 120 – 50 – 30
µA
M0, M1, M2, DCE, INVERT = VCC
q
± 10
µA
IO = – 4mA
q
3
4.5
V
IO = 4mA
q
0.3
0.8
V
0V ≤ VO ≤ VCC
q – 50
40
50
mA
M0 = M1 = M2 = VCC, 0V ≤ VO ≤ VCC
±1
µA
VODO
VODL
∆VOD
Open Circuit Differential Output Voltage
Loaded Differential Output Voltage
Change in Magnitude of Differential
Output Voltage
RL = 1.95k (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
q
0.5VODO
q ±2
q
±5
V
0.67VODO
V
V
0.2
V
VOC
∆VOC
Common Mode Output Voltage
Change in Magnitude of Common Mode
Output Voltage
RL = 50Ω (Figure 1)
RL = 50Ω (Figure 1)
q
3
V
q
0.2
V
ISS
Short-Circuit Current
IOZ
Output Leakage Current
VOUT = GND
– 0.25V ≤ VO ≤ 0.25V, Power Off or
q
No-Cable Mode or Driver Disabled
±150
mA
± 1 ±100
µA
tr, tf
Rise or Fall Time
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
q
2
15
25
ns
q
2
15
35
ns
t PLH
Input to Output
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
q 20
40
65
ns
q 20
40
75
ns
t PHL
Input to Output
LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
q 20
40
65
ns
q 20
40
75
ns
∆t
Input to Output Difference, tPLH – tPHL LTC1544C (Figures 2, 5)
LTC1544I (Figures 2, 5)
q
0
3
12
ns
q
0
3
17
ns
t SKEW
Output to Output Skew
V.11 Receiver
(Figures 2, 5)
3
ns
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
– 7V ≤ VCM ≤ 7V
– 10V ≤ VA,B ≤ 10V
– 10V ≤ VA,B ≤ 10V
(Figures 2, 6)
LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
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
t PHL
Input to Output
LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
q
50
80
ns
q
50
90
ns
∆t
Input to Output Difference, tPLH – tPHL LTC1544C (Figures 2, 6)
LTC1544I (Figures 2, 6)
q
0
4
16
ns
q
0
4
21
ns
3
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