Data Sheet AD8145
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, G = 1, R
L
= 150 Ω, C
L
= 2 pF, REF_x = midsupply, V
S
= ±5 V, T
A
= 25°C. Refer to the circuit in Figure 35.
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
+5V
V
OUT
= 0.2V p-p
±5V
06307-004
Figure 4. Small Signal Frequency Response at Various Power Supplies, G = 1
9
–1
1
1000
FREQUENCY (MHz)
GAIN (dB)
10 100
8
7
6
5
4
3
2
1
0
+5V ±5V
V
OUT
= 0.2V p-p
06307-005
Figure 5. Small Signal Frequency Response at Various Power Supplies, G = 2
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
V
OUT
= 0.2V p-p
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
06307-006
Figure 6. Small Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
±5V
+5V
V
OUT
= 2V p-p
06307-007
Figure 7. Large Signal Frequency Response at Various Power Supplies, G = 1
9
–1
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
8
7
6
5
4
3
2
1
0
+5V
V
OUT
= 2V p-p
±5V
06307-008
Figure 8. Large Signal Frequency Response at Various Power Supplies, G = 2
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
V
OUT
= 2V p-p
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
06307-009
Figure 9. Large Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
Rev. B | Page 9 of 21
AD8145 Data Sheet
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
V
OUT
= 0.2V p-p
G = 2
G = 1
06307-010
Figure 10. Small Signal Frequency Response at Various Gains
0.5
–0.5
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
V
OUT
= 2V p-p
G = 2, V
S
= +5V
G = 2, V
S
= ±5V
G = 1, V
S
= ±5V
G = 1, V
S
= +5V
06307-011
Figure 11. 0.1 dB Flatness for Various Power Supplies and Gains
110
10
0.1
1000
FREQUENCY (MHz)
COMMON-MODE REJECTION (dB)
1 10 100
100
90
80
70
60
50
40
30
20
V
S
= +5V
V
S
= ±5V
06307-012
Figure 12. Common-Mode Rejection vs. Frequency at Various Supplies
3
–7
1
1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
G = 2
G = 1
V
OUT
= 2V p-p
06307-013
Figure 13. Large Signal Frequency Response at Various Gains
1000
10
0.01 100000
FREQUENCY (kHz)
INPUT VOLTAGE NOISE (nV/ Hz)
0.1 1 10 100 1000 10000
100
06307-046
Figure 14. Input Referred Voltage Noise vs. Frequency
4
–4
–5 5
DIFFERENTIAL INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
3
2
1
0
–1
–2
–3
–4 –3 –2 –1 0 1 2 3 4
R
L
= OPEN CIRCUIT
G = 1
V
S
= ±5V
06307-047
Figure 15. Differential Input Operating Range
Rev. B | Page 10 of 21
Data Sheet AD8145
150
–150
0 100
TIME (ns)
VOLTAGE (mV)
100
50
0
–50
–100
10 20 30 40 50 60 70 80 90
V
OUT
= 0.2V p-p
BLACK = +5V
GRAY = ±5V
06307-016
Figure 16. Small Signal Transient Response at Various Power Supplies, G = 1
150
–150
0 100
TIME (ns)
VOLTAGE (mV)
100
50
0
–50
–100
10 20 30 40 50 60 70
80 90
BLACK = +5V
GRAY = ±5V
V
OUT
= 0.2V p-p
06307-017
Figure 17. Small Signal Transient Response at Various Power Supplies, G = 2
150
–150
0 100
TIME (ns)
VOLTAGE (mV)
100
50
0
–50
–100
10 20 30 40 50 60 70 80 90
V
OUT
= 0.2V p-p
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
06307-018
Figure 18. Small Signal Transient Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
1.5
–1.5
0 100
TIME (ns)
VOLTAGE (V)
1.0
0.5
0
–0.5
–1.0
10 20 30 40 50 60
70
80 90
BLACK = +5V
GRAY = ±5V
V
OUT
= 2V p-p
06307-019
Figure 19. Large Signal Transient Response at Various Power Supplies, G = 1
1.5
–1.5
0 100
TIME (ns)
VOLTAGE (V)
1.0
0.5
0
–0.5
–1.0
10
20 30
40
50
60 70
80 90
BLACK = +5V
GRAY = ±5V
V
OUT
= 2V p-p
06307-020
Figure 20. Large Signal Transient Response at Various Power Supplies, G = 2
1.5
–1.5
0 100
TIME (ns)
VOLTAGE (V)
1.0
0.5
0
–0.5
–1.0
10 20 30 40 50 60
70 80 90
V
OUT
= 2V p-p
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
06307-021
Figure 21. Large Signal Transient Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
Rev. B | Page 11 of 21

AD8145WYCPZ-R7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Video Amplifiers Hi Spd Trple Diff Rcvr w/ Comparator
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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