Datasheet

5
LTC1546
TYPICAL PERFOR A CE CHARACTERISTICS
UW
DATA RATE (kBd)
10
SUPPLY CURRENT (mA)
1000
180
170
160
150
140
130
120
110
100
90
1546 • G01
100 10000
DATA RATE (kBd)
10
SUPPLY CURRENT (mA)
1000
150
145
140
135
130
1546 • G02
100 10000
DATA RATE (kBd)
10
SUPPLY CURRENT (mA)
50
35
34
33
32
31
30
1546 • G03
20 100
TEMPERATURE (°C)
–40
I
CC
(mA)
115
110
105
100
95
90
85
20 60
1546 • G04
–20 0
40 80 100
TEMPERATURE (°C)
–40
I
CC
(mA)
140
135
130
125
20 60
1546 • G05
–20 0
40 80 100
TEMPERATURE (°C)
–40
I
CC
(mA)
40
38
36
34
32
30
20 60
1546 • G06
–20 0
40 80 100
V.11 Mode
Supply Current vs Data Rate
V.35 Mode
Supply Current vs Data Rate
V.28 Mode
Supply Current vs Data Rate
V.11 Mode
I
CC
vs Temperature
V.35 Mode
I
CC
vs Temperature
V.28 Mode
I
CC
vs Temperature
C1
–
␣ (Pin 1): Capacitor C1 Negative Terminal. Connect a
1µF capacitor between C1
+
and C1
–
.
C1
+
(Pin 2): Capacitor C1 Positive Terminal. Connect a
1µF capacitor between C1
+
and C1
–
.
V
DD
(Pin 3): Generated Positive Supply Voltage for
V.28. Connect a 1µF capacitor to ground.
V
CC
(Pin 4): Positive Supply Voltage Input. 4.75V ≤ V
CC
≤ 5.25V. Bypass with a 1µF capacitor to ground.
D1 (Pin 5): TTL Level Driver 1 Input.
D2 (Pin 6): TTL Level Driver 2 Input.
D3 (Pin 7): TTL Level Driver 3 Input.
UU
U
PI FU CTIO S
R1 (Pin 8): CMOS Level Receiver 1 Output.
R2 (Pin 9): CMOS Level Receiver 2 Output.
R3 (Pin 10): CMOS Level Receiver 3 Output.
M0 (Pin 11): TTL Level Mode Select Input 0 with Pull-Up
to V
CC
. See Table 1.
M1 (Pin 12): TTL Level Mode Select Input 1 with Pull-Up
to V
CC
. See Table 1.
M2 (Pin 13): TTL Level Mode Select Input 2 with Pull-Up
to V
CC
. See Table 1.
DCE/DTE (Pin 14): TTL Level Mode Select Input with Pull-
Up to V
CC
. See Table 1.