AD8041
200
DIFF GAIN (%)
INPUT VOLTAAGE NOISE (nV/ Hz)
150
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0.000
–0.005
–0.010
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0.000
–0.005
–0.010
V
S
= 5V
G = +2
R
L
= 150
TO 2.5V
V
S
= 5V
G = +2
R
L
= 150
DIFF PHASE (Degrees)
100
1st 2nd 3rd
V
S
= 5V
G = +2
R
L
= 150
4th
5th
6th
7th
8th
9th 10th 11th
TO 2.5V
V
S
= 5V
G = +2
R
L
= 150
50
0
10
100
1k
FREQUENCY (Hz)
10k
100k
1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th
DC OUTPUT LEVEL (100 IRE MAX)
TPC 7. Input Voltage Noise vs. Frequency
TPC 10. Differential Gain and Phase Errors
–30
TOTAL HARMONIC DISTORTION (dBc)
6.5
V
S
= 3V, A
V
= –1,
R
L
= 100 TO 1.5V
CLOSED-LOOP GAIN (dB)
V
S
= 5V, A
V
= 2,
R
L
= 100 TO 2.5V
6.4
6.3
6.2
6.1
6.0
32.4MHz
5.9
5.8
5.7
5.6
5.5
8 9 10
1
100
10
FREQUENCY (MHz)
500
V
S
= 5V
G = +2
R
L
= 150
R
F
= 402
–40
–50
–60
–70
–80
–90
TO 2.5V
V
S
= 5V, A
V
= 1,
R
L
= 100 TO 2.5V
V
S
= 5V, A
V
= 2,
R
L
= 1k TO 2.5V
V
S
= 5V, A
V
= 1,
R
L
= 1k TO 2.5V
3
4
5
6 7
2
FUNDAMENTAL FREQUENCY (MHz)
–100
1
TPC 8. Total Harmonic Distortion
TPC 11. 0.1 dB Gain Flatness
–30
10MHz
–40
–50
WORST HARMONIC (dBc)
90
80
70
GAIN
60
50
40
30
20
10
0
PHASE
V
S
= 5V
R
L
= 2k TO 2.5V
C
L
= 5pF TO 2.5V
450
360
270
180
–60
–70
–80
–90
–100
–110
–120
–130
–140
0
0.5
1
2.5
1.5
2
3
3.5
OUTPUT VOLTAGE (V
P-P
)
4
4.5
5
V
S
= 5V
R
L
= 2k
G = +2
TO 2.5V
1MHz
OPEN-LOOP GAIN (dB)
5MHz
0
–90
–180
–270
–360
–450
500
–10
0.01
0.1
10
FREQUENCY (MHz)
100
TPC 9. Worst Harmonic vs. Output Voltage
TPC 12. Open-Loop Gain and Phase vs. Frequency
REV. B
–7–
PHASE ( C)
90
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