Datasheet

OPA684
11
SBOS219D
www.ti.com
–50
–60
–70
–80
–90
Frequency (MHz)
0.1 20110
HARMONIC DISTORTION vs FREQUENCY
Harmonic Distortion (dBc)
V
O
= 2Vp-p
R
L
= 100Ω
See Figure 3
2nd-Harmonic
3rd-Harmonic
2-TONE, 3RD-ORDER
INTERMODULATION DISTORTION
–15 –14 –13 –12 –11 –10 –6 –5–7–8–9 –4 –3
Power at Load (each tone, dBm)
3rd-Order Spurious Level (dBc)
–50
–60
–70
–80
–90
See Figure 3
10MHz
20MHz
5MHz
1MHz
SUPPLY AND OUTPUT CURRENT
vs TEMPERATURE
–25 0 25 50 75 100 125
Ambient Temperature (°C)
Output Current (mA)
100
75
50
Supply Current (mA)
1.5
1.4
1.3
1.2
1.1
1.0
Supply Current
Right Scale
Sourcing Output Current
Left Scale
Sinking Output Current
Left Scale
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
Number of 150Ω Video Loads
1423
COMPOSITE VIDEO DIFFERENTIAL GAIN/PHASE
Differential Gain (%)
Differential Phase (°)
dP
dG
G = +2
NTSC, Positive Video
TYPICAL CHARACTERISTICS: V
S
= +5V (Cont.)
At T
A
= +25°C, V
S
= 5V, G = +2, R
F
= 1.3kΩ, R
L
= 100Ω, unless otherwise noted.
HARMONIC DISTORTION vs LOAD RESISTANCE
100 1k
Load Resistance (Ω)
Harmonic Distortion (dBc)
–50
–55
–60
–65
–70
–75
–80
–85
–90
V
O
= 2Vp-p
f = 5MHz
See Figure 3
3rd-Harmonic
2nd-Harmonic
–50
–60
–70
–80
–90
Output Voltage (Vp-p)
0.5 312
HARMONIC DISTORTION vs OUTPUT VOLTAGE
Harmonic Distortion (dBc)
G = +2
R
L
= 100Ω
f = 5MHz
3rd-Harmonic
2nd-Harmonic
See Figure 3