AD8260
Rev. A | Page 8 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
VS (supply voltage) = 3.3 V, TA = 25°C, CL = 5 pF, f = 10 MHz, preamplifier gain = 2×, RFB1 and RFB2 of the preamplifier = 100 Ω,
RLOAD of the driver amplifier = 500 Ω, TX and RX enabled, unless otherwise specified.
5
1
0
2
3
4
G
AI
N
(
d
B)
FREQUENCY (Hz)
200M
100M
10M
1M
100k
T = –40°C
VOUT = 200mV p-p
T = +105°C
07192-
003
T = +25°C
Figure 3. Small-Signal Frequency Response at Three Temperatures of the
5
1
0
2
3
4
G
AI
N
(
d
B)
FREQUENCY (Hz)
200M
100M
10M
1M
100k
VS = +5V
VOUT = 200mV p-p
VS = +3.3V
VS = ±5V
07192-
004
Figure 4. Small-Signal Frequency Response of the High Current Driver for
5
1
0
2
3
4
G
AI
N
(
d
B)
FREQUENCY (Hz)
200M
100M
10M
1M
100k
07192-
005
VLOAD = 1V p-p; RLOAD = 50
VLOAD = 1V p-p; RLOAD = 500
VLOAD = 2V p-p; RLOAD = 50
VLOAD = 2V p-p; RLOAD = 500
Figure 5. Large-Signal Frequency Response of the High Current Driver for Two
Values of Output Voltage and Two Values of Load Resistance—Se
e Figure 5120
0
5
10
15
N
O
ISE
(n
V/
√Hz
)
FREQUENCY (Hz)
50M
10M
1M
100k
RTO
RTI
07192-
006
Figure 6. Input-Referred and Output-Referred Noise of the High Current
10
O
UT
P
UT
I
M
P
E
DANCE
()
FREQUENCY (Hz)
100M
10M
1M
100k
100
0 .1
1
07192-
007
Figure 7. Output Impedance of the High Current Driver
–100
HARM
O
NI
C
DI
S
T
O
RT
IO
N
(
d
Bc)
LOAD RESISTANCE
(Ω)
1k
100
10
–40
–20
–60
–80
–90
HD3
HD2
–70
–50
–30
2V p-p
1V p-p
07192-
008
Figure 8. Harmonic Distortion (HD2, HD3) vs. Load Resistance for the High