LTC2847 Linear Technology, LTC2847 Datasheet - Page 5

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

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ELECTRICAL CHARACTERISTICS
SYMBOL
V.28 Receiver
V
V
R
t
t
t
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
are negative. All voltages are referenced to device ground unless otherwise
specified.
temperature range, otherwise specifications are at T
TYPICAL PERFOR A CE CHARACTERISTICS
PLH
PHL
r
THL
TLH
IN
V
, t
4
130
110
110
105
100
TH
170
160
150
140
120
100
f
90
80
90
95
85
–40
10
V.11 Mode I
V.11 Mode I
T
A
–20
= 25 C
PARAMETER
Input Low Threshold Voltage
Input High Threshold Voltage
Receiver Input Hysteresis
Receiver Input Impedance
Rise or Fall Time
Input to Output
Input to Output
0
TEMPERATURE ( C)
100
DATA RATE (kBd)
CC
CC
20
vs Data Rate
vs Temperature
40
1000
60
W
80
2846 G07
2846 G04
10000
U
100
128.0
127.5
127.0
126.5
126.0
125.5
125.0
124.5
124.0
123.5
123.0
150
145
125
120
140
135
130
10
–40
V.35 Mode I
A
V.35 Mode I
T
A
= 25 C. V
CONDITIONS
(Figure 12)
(Figure 12)
(Figure 12)
– 15V V
C
C
C
= 25 C
L
L
L
–20
= 50pF (Figures 12, 16)
= 50pF (Figures 12, 16)
= 50pF (Figures 12, 16)
The
100
0
TEMPERATURE ( C)
DATA RATE (kBd)
CC
A
CC
CC
denotes specifications which apply over the full operating
= 5V, V
20
15V
vs Data Rate
vs Temperature
Note 3: All typicals are given for V
C
VDD
40
1000
IN
= 1 F, C
= 3.3V, unless otherwise noted (Notes 2, 3)
60
80
VEE
2846 G05
2846 G08
10000
= 3.3 F and T
100
37.5
36.0
35.5
35.0
34.5
33.5
37.0
36.5
34.0
60
50
30
55
45
40
35
A
–40
10
= 25 C.
V.28 Mode I
V.28 Mode I
CC
T
MIN
A
2
0
3
= 25 C
= 5V, V
– 20
IN
20
0
TEMPERATURE ( C)
DATA RATE (kBd)
0.05
TYP
160
= 3.3V, C
15
60
CC
5
CC
20
vs Data Rate
vs Temperature
LTC2847
40
VCC
40
MAX
300
300
0.8
0.3
7
= C
60
60
VIN
sn2847 2847fs
80
= 10 F,
2846 G06
80 100
UNITS
3846 G09
5
100
k
ns
ns
ns
V
V
V