English
Language : 

OPA3680 Datasheet, PDF (8/22 Pages) Burr-Brown (TI) – Triple, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER With Disable
TYPICAL PERFORMANCE CURVES: VS = ±5V (Cont.)
At TA = +25°C, G = +2, RF = 250Ω, and RL = 100Ω, unless otherwise noted. See Figure 1.
0.2
0.175
0.15
0.125
0.1
0.075
COMPOSITE VIDEO dG/dP
+5V
Video In
75Ω
1/3
250Ω OPA3680
250Ω
250Ω
DIS
Video
Loads
Optional
1.3kΩ
Pulldown
No Pulldown
With 1.3kΩ
Pulldown
dφ
dG
–5V
0.05
0.025
dG
dφ
0
1
2
3
4
Number of 150Ω Loads
TYPICAL DC DRIFT OVER TEMPERATURE
15
10
IB
5
VIO
0
IOS
–5
–10
–15
–40 –20
0 20 40 60 80 100 120 140
Ambient Temperature (°C)
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
5
4
1W Internal
3
Power Limit
Output Current Limited
2
One
1 Channel
Only
0
–1
–2
25Ω
Load Line
50Ω Load Line
100Ω Load Line
–3
–4 Output Current Limit
–5
–300 –200 –100 0
100
IO (mA)
1W Internal
Power Limit
200 300
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
200
30
Sourcing Output Current
Sinking Output Current
150
22.5
100
Quiescent Supply Current
15
50
7.5
0
–40 –20
0
0 20 40 60 80 100 120 140
Ambient Temperature (°C)
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
10
+5V
200Ω
1
1/3
OPA3680
ZO
–5V
250Ω
250Ω
0.1
0.01
10k
100k
1M
10M
Frequency (Hz)
100M
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.3
ALL HOSTILE CROSSTALK
1
10
100
300
Frequency (MHz)
®
OPA3680
8