AD8042
Rev. E | Page 8 of 16
30
300
100
10
3
1
10 1G100M10M1M100k10k1k100
INPUT VOLTAGE NOISE (nV/ Hz)
FREQUENCY (Hz)
01059-011
Figure 11. Input Voltage Noise vs. Frequency
–60
–40
30
–50
–70
–100
–80
–90
11
098765432
TOTAL HARMONIC DISTORTION (dBc)
FUNDAMENTAL FREQUENCY (MHz)
01059-012
V
S
= 3V, A
V
= –1,
R
L
= 100 TO 1.5V
V
S
= 5V, A
V
= +2,
R
L
= 100 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
Figure 12. Total Harmonic Distortion vs. Frequency
–60
–40
30
–50
–70
–110
–100
–80
–90
05
.04.54.03.53.02.52.01.51.00.5
WORST HARMONIC (dBc)
OUTPUT VOLTAGE (V p-p)
01059-013
10MHz
5MHz
1MHz
V
S
= 5V, G = +2,
R
L
= 1k TO 2.5V
Figure 13. Worst Harmonic vs. Output Voltage
0.01
0.03
0.04
0.02
–0.01
0.05
0
–0.01
0.04
0.03
0.02
0.01
0
0 100908070605040302010
DIFFERENTIAL
PHASE ERROR (Degrees)
DIFFERENTIAL
GAIN ERROR (%)
MODULATING RAMP LEVEL (IRE)
01059-014
NTSC SUBCARRIER (3.579MHz)
V
S
= +5V
G = +2
R
L
= 150 TO 2.5V
V
S
= ±5V
G = +2
R
L
= 150
V
S
= ±5V
G = +2
R
L
= 150
V
S
= +5V
G = +2
R
L
= 150 TO 2.5V
Figure 14. Differential Gain and Phase Errors
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
1 50010010
NORMALIZED GAIN (dB)
FREQUENCY (MHz)
01059-015
V
S
= 5V
G = +2
R
F
= 200
R
L
= 150 TO 2.5V
14MHz
Figure 15. 0.1 dB Gain Flatness
PHASE (Degrees)
120
100
80
60
40
20
0
–20
–40
–60
–80
45
0
–45
–90
–135
–180
–225
–270
0.01 50010 10010.1
OPEN-LOOP GAIN (dB)
FREQUENCY (MHz)
01059-016
V
S
= 5V
G = +2
R
F
= 200
R
L
= 150 TO 2.5V
GAIN
PHASE
Figure 16. Open-Loop Gain and Phase vs. Frequency
AD8042
Rev. E | Page 9 of 16
10 100
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
01059-017
10
8
6
4
2
0
–2
–4
–6
–8
–10
15
00
60
55
50
45
40
35
30
25
20
0.5 2.01.51.0
SETTLING TIME (ns)
INPUT STEP (V)
01059-020
V
S
= 5V
G = +1
C
L
= 5pF
R
L
= 2k TO 2.5V
T = +85°C
T = +25°C
T = –40°C
Figure 17. Closed-Loop Frequency Response vs. Temperature
12
10
8
6
4
2
0
–2
–4
–6
–8
15
00
G = –1
R
L
= 2k TO MIDPOINT
C
L
= 5pF
V
S
= +3V, 0.1%
V
S
= +3V, 1%
V
S
= +5V, 0.1%
V
S
= ±5V, 0.1%
V
S
= +5V, 1%
V
S
= ±5V, 1%
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10k 500M100k 10M 100M1M
COMMON-MODE REJECTION (dB)
FREQUENCY (Hz)
01059-021
10 100
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
01059-018
G = +1
C
L
= 5pF
R
L
= 2k
V
S
= +3V
R
L
AND C
L
TO 1.5V
V
S
= ±5V
V
S
= +5V
R
L
AND C
L
TO 2.5V
Figure 18. Closed-Loop Frequency Response vs. Supply
100
10
1
0.1
0.01
0.01 5000.1 10 1001
OUTPUT RESISTANCE ()
FREQUENCY (MHz)
01059-019
V
S
= 5V
G = +1
R
BT
= 50
R
BT
= 0
R
BT
V
OUT
Figure 19. Output Resistance vs. Frequency
Figure 20. Settling Time vs. Input Voltage
TEST CIRCUIT:
V
S
= 5V
OUT
IN
CM
1.02k
1.02k
1.02k
1.02k
Figure 21. Common-Mode Rejection vs. Frequency
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5 10 15 20 25 30 35 40 45 50
OUTPUT SATURATION VOLTAGE (V)
LOAD CURRENT (mA)
01059-022
V
S
= 5V
5V – V
OH
(+125°C)
5V – V
OH
(+25°C)
5V – V
OH
(–55°C)
+V
OL
(+125°C)
+V
OL
(+25°C)
+V
OL
(–55°C)
Figure 22. Output Saturation Voltage vs. Load Current
AD8042
Rev. E | Page 10 of 16
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
–40 –30 –20 –10 9080706050403020100
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
01059-023
V
S
= ±5V
V
S
= +5V
V
S
= +3V
Figure 23. Supply Current vs. Temperature
0
–10
10
–20
–30
–40
–50
–60
–70
–80
–90
10k 500M100M10M1M100k
PSRR (dB)
FREQUENCY (Hz)
01059-024
V
S
= 5V
–PSRR
+PSRR
Figure 24. PSRR vs. Frequency
10
9
8
7
6
5
4
3
2
1
0
0.1 100101
OUTPUT VOLTAGE (V p-p)
FREQUENCY (MHz)
01059-025
V
S
= ±5V
R
L
= 2k
G = –1
Figure 25. Output Voltage vs. Frequency
50
30
40
20
10
0
0218016014012010080604020
OVERSHOOT (%)
LOAD CAPACITANCE (pF)
01059-026
00
V
S
= 5V
V
OUT
= 100mV STEP
G = +2
G = +3
Figure 26. Overshoot vs. Load Capacitance
6
5
4
3
2
1
0
–1
–2
–3
–4
1510010
NORMALIZED GAIN (dB)
FREQUENCY (MHz)
01059-027
00
V
S
= 5V
R
F
= 2k
R
L
= 2k to 2.5V
G = +2
G = +10
G = +5
G = +2
R
F
= 200
Figure 27. Closed-Loop Gain vs. Frequency Response
10
–110
–100
–90
–80
–70
–60
–50
–40
–30
–20
0.1 20010 1001
CROSSTALK (dB)
FREQUENCY (MHz)
01059-028
V
S
= 5V
V
IN
= 0.6V p-p
G = +2
R
F
= 1k
V
OUT
1
V
OUT
2
,
R
L
= 1k TO 2.5V
V
OUT
1
V
OUT
2
,
R
L
= 150 TO 2.5V
V
OUT
2
V
OUT
1
,
R
L
= 150 TO 2.5V
V
OUT
2
V
OUT
1
,
R
L
= 1k TO 2.5V
Figure 28. Crosstalk (Output-to-Output) vs. Frequency

AD8042ARZ

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
High Speed Operational Amplifiers Dual 160MHz RR
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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