LTC2847 Linear Technology, LTC2847 Datasheet - Page 3

• Manufacturer Part Number: LTC2847
• Description: Software-Selectable Multiprotocol Transceiver
• Manufacturer: Linear Technology

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SYMBOL
V
f
t
Logic Inputs and Outputs
V
V
I
V
V
I
I
V.11 Driver
V
V
V
I
I
t
t
t
t
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
OSC
r
IN
OSR
OZR
SS
OZ
r
PLH
PHL
SKEW
IH
IL
OH
OL
ODO
ODL
OC
t
–
V
V
, t
4
OD
OC
f
PARAMETER
Negative Charge Pump Output Voltage
Charge Pump Oscillator Frequency
Charge Pump Rise Time
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Output High Voltage
Output Low Voltage
Output Short-Circuit Current
Three-State Output Current
Open Circuit Differential Output Voltage
Loaded Differential Output Voltage
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
Rise or Fall Time
Input to Output Rising
Input to Output Falling
Input to Output Difference, t
Output to Output Skew
PLH
– t
PHL
CONDITIONS
V.28 Mode, No Load
V.28 Mode, Full Load
V.35 Mode
RS530, RS530-A, X.21 Modes, Full Load
No-Cable Mode/Power-Off to Normal Operation
D1, D2, D3, M0, M1, M2, DCE/DTE
D1, D2, D3, M0, M1, M2, DCE/DTE
D1, D2, D3
M0, M1, M2, DCE/DTE = GND
M0, M1, M2, DCE/DTE = V
I
I
0V V
M0 = M1 = M2 = V
M0 = M1 = M2 = V
R
R
R
R
R
R
V
No-Cable Mode or Driver Disabled
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
(Figures 2, 13)
O
O
OUT
V
L
L
L
L
L
L
= – 3mA
= 1.6mA
A
A
= 1.95k (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 25 C. V
= GND
and V
O
The
V
IN
B
CC
denotes specifications which apply over the full operating
0.25V, Power Off or
IN
IN
= 5V, V
, V
, V
O
O
= GND
= V
IN
IN
IN
= 3.3V, unless otherwise noted (Notes 2, 3)
0.5V
– 7.5
– 5.5
– 4.5
MIN
– 30
–30
2.0
2.7
15
15
2
0
2
ODO
– 9.6
– 8.5
– 6.5
– 6.0
TYP
– 75
500
–85
0.2
15
40
40
2
3
3
3
1
0.67V
LTC2847
– 120
MAX
–160
0.8
0.4
0.2
0.2
25
65
65
12
150
100
3
10
10
50
10
5
ODO
sn2847 2847fs
UNITS
3
kHz
mA
mA
ms
ns
ns
ns
ns
ns
V
V
V
V
V
V
A
A
A
V
V
A
A
V
V
V
V
V
V
A