ltc2844 Linear Technology Corporation, ltc2844 Datasheet - Page 3

• Manufacturer Part Number: ltc2844
• Description: 3.3v Software-selectable Multiprotocol Transceiver
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
ture range, otherwise specifications are at T
(Notes 2, 3)
SYMBOL
P
Logic Inputs and Outputs
V
V
I
V
V
I
I
V.11 Driver
V
V
V
I
I
t
t
t
t
V.11 Receiver
V
I
R
t
t
IN
OSR
OZR
SS
OZ
r
PLH
PHL
SKEW
IN
r
PLH
D
IH
IL
OH
OL
ODO
ODL
OC
, t
TH
, t
V
V
t
V
IN
OD
OC
TH
f
f
PARAMETER
Internal Power Dissipation (DCE Mode,
All Digital Pins = GND or V
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
Input to Output
Input to Output Difference, t
Output to Output Skew
Input Threshold Voltage
Input Hysteresis
Input Current (A, B)
Input Impedance
Rise or Fall Time
Input to Output
IN
)
PLH
– t
PHL
A
= 25 C. V
CONDITIONS
RS530, RS530-A, X.21 Modes, Full Load
V.28 Mode, Full Load
D1, D2, D3, D4
M0, M1, M2, DCE = GND
M0, M1, M2, DCE = V
I
I
0V V
M0 = M1 = M2 = V
M0 = M1 = M2 = V
R
R
R
R
R
V
–0.25V V
No-Cable Mode or Driver Disabled
LTC2844C (Figures 2, 5)
LTC2844I (Figures 2, 5)
LTC2844C (Figures 2, 5)
LTC28441 (Figures 2, 5)
LTC2844C (Figures 2, 5)
LTC2844I (Figures 2, 5)
LTC2844C (Figures 2, 5)
LTC2844I (Figures 2, 5)
(Figures 2, 5)
–7V V
–7V V
–10V V
–10V V
(Figures 2, 6)
LTC2844C C
LTC2844I C
O
O
CC
L
L
L
L
L
OUT
= –3mA
= 1.6mA
= 1.95k (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 50 (Figure 1)
= 5V, V
The
= GND
O
CM
CM
A,B
A,B
V
O
L
IN
L
denotes specifications which apply over the full operating tempera-
IN
7V
7V
= 50pF (Figures 2, 6)
= 50pF (Figures 2, 6)
10V
10V
0.25V, Power Off or
= 3.3V, V
IN
IN
, V
, V
IN
O
O
= 0V
= V
DD
IN
= 8V, V
EE
= – 7V for V.28, – 5.5V for V.10, V.11
0.5V
– 0.2
– 30
– 30
2.7
20
20
20
20
15
2
2
2
0
0
MIN
2
ODO
TYP
– 75
– 85
210
0.2
54
40
40
40
40
15
15
15
15
30
50
50
3
3
3
3
1
LTC2844
0.67V
–120
– 160
MAX
0.8
0.4
0.2
0.2
0.2
0.66
150
100
25
35
65
75
65
75
12
17
40
80
90
10
10
10
3
50
5
ODO
sn2844 2844fs
UNITS
3
mW
mW
mA
mA
mV
mA
k
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
A
A
A
V
V
A
A
V
V
V
V
V
V
A
V