Dual Differential Transceiver BTF1A
With Idle Bus Indicator
Data Sheet
March 2001
Output Characteristics
Included are load lines for two typical termination con-
figurations.
Temperature Characteristics
OUTPUT VOLTAGE RELATIVE TO V
CC
0
–0.5
V
OH
MAX
OUTPUT VOLTAGE (V)
V
CC
– 2 V
V
CC
– 1 V
V
CC
–1.0
V
OH
–1.5
V
OL
MAX
–2.0
–2.5
–50
OUTPUT CURRENT (mA)
10
V
OH
MIN
Y LOAD
V
OL
20
V
OL
MIN
–25
0
25
50
75
100
125 150
2-3467(F)
30
π
LOAD
40
TEMPERATURE (°C)
12-2269(F)
Figure 10. V
OL
and V
OH
Extremes for Drivers vs.
Temperature for 100
Ω
Load
A. Output Current vs. Output Voltage for Loads
Shown in B and C
1.2
DIFFERENTIAL VOLTAGE (V)
60
Ω
DO
90
Ω
60
Ω
DO
V
OH
– V
OL
TYP
1.0
0.8
V
OH
– V
OL
MIN
12-2270(F)
B. Y Load
100
Ω
DO
200
Ω
DO
200
Ω
0.6
0.4
0
–50
–25
0
25
50
75
100
125 150
12-3468(F)
TEMPERATURE (°C)
12-2271.a(F)
C.
π
Load
Figure 9. Driver Output Current vs. Voltage
Characteristics
Figure 11. Differential Voltage (V
OH
– V
OL
) for
Drivers vs. Temperature
10
Agere Systems Inc.
AGERE [ AGERE SYSTEMS ]
