Datasheet

Data Sheet ADN4690E/ADN4692E/ADN4694E/ADN4695E
Rev. A | Page 11 of 20
TEST CIRCUITS AND SWITCHING CHARACTERISTICS
DRIVER VOLTAGE AND CURRENT MEASUREMENTS
DI
NOTES
1. 1% TOLERANCE FOR ALL RESISTORS.
V
OD
V
TEST
49.9Ω
3.32kΩ
+
–
3.32kΩ
10471-017
A/Y
B/Z
V
TEST
= –1V TO +3.4V
Figure 18. Driver Voltage Measurement over Common-Mode Range
DI
NOTES
1. C1, C2, AND C3 ARE 20% AND INCLUDE PROBE/STRAY
CAPACITANCE < 2cm FROM DUT.
2. R1 AND R2 ARE 1%, METAL FILM, SURFACE MOUNT,
<2cm FROM DUT.
V
OC
R1
24.9Ω
C1
1pF
C2
1pF
C3
2.5pF
R2
24.9Ω
10471-018
A/Y
B/Z
Figure 19. Driver Common-Mode Output Voltage Measurement
S1 S2
V
A(O)
, V
B(O)
,
V
Y(O)
OR V
Z(O)
A/Y
V
CC
R1
1.62kΩ
±1%
B/ZDE
10471-019
Figure 20. Maximum Steady-State Output Voltage Measurement
S1
DI
S2
V
TEST
V
CC
I
OS
V
TEST
= –1V OR +3.4V
10471-020
A/Y
B/Z
Figure 21. Driver Short Circuit
NOTES
1. INPUT PULSE GENERATOR: 1MHz; 50% ± 5% DUTY CYCLE; t
R
, t
F
≤ 1ns.
2. V
OC(PP)
MEASURED ON TEST EQUIPMENT WITH –3dB BANDWIDTH ≥ 1GHz.
V
OC(PP)
ΔV
OC(SS)
V
OC
B
A
≈ 0.7V
≈ 1.3V
10471-021
Figure 22. Driver Common-Mode Output Voltage (Steady State)