Data Sheet
January 1999
Quad Differential Drivers
BDG1A, BDP1A, BDGLA, BPNGA, BPNPA, and BPPGA
Test Conditions
Parametric values specified under the Electrical Char-
acteristics and Timing Characteristics sections for the
data transmission driver devices are measured with the
following output load circuits.
100
Ω
DO(+)
200
Ω
DO(–)
200
Ω
Output Characteristics
Figure 6 illustrates typical driver output characteristics.
Included are load lines for two typical termination con-
figurations.
OUTPUT VOLTAGE (V)
V
CC
– 2 V
V
CC
– 1 V
V
CC
OUTPUT CURRENT (mA)
V
OH
10
BDG1A, BPNGA, BDGLA, BPPGA (Gates A & B)
V
OL
12-2271F
Y LOAD
20
30
π
LOAD
100
Ω
DO
DO
40
12-2269F
BDP1A, BPNPA, BPPGA (Gates C & D)
12-2271.bC
A. Output Current vs. Output Voltage for Loads
Shown in C and D (BDG1A, BDP1A, BPNGA,
BPNPA, and BPPGA)
OUTPUT VOLTAGE (V)
V
CC
– 3 V
V
CC
– 2 V
V
OH
10
V
CC
– 1 V
V
CC
OUTPUT CURRENT (mA)
Figure 4. Driver Test Circuit
+5 V
110
Ω
DUT
V
OL
110
Ω
+60 V
SURGE
10
µs
DURATION
1 ms
REPITITION
12-2640.aF
Y LOAD
π
LOAD
20
30
40
+
–
+
–
+60 V
SURGE
10
µs
DURATION
1 ms
REPETITION
12-2818aC
B. Output Current vs. Output Voltage for Loads
Shown in C and D (BDGLA)
60
Ω
DO
90
Ω
12-2270F
60
Ω
DO
Note: Surges can be applied simultaneously, but never in opposite
polarities.
Figure 5. Lightning-Surge Testing Configuration
(BPNGA, BPNPA, and BPPGA)
C. Y Load
100
Ω
DO(+)
200
Ω
DO(–)
200
Ω
12-2271F
D.
π
Load
Figure 6. Driver Output Current vs. Voltage
Characteristics
Lucent Technologies Inc.
7
AGERE [ AGERE SYSTEMS ]
