OPA2684IDCNT Datasheet, PDF (8/34 Pages) Texas Instruments – Low-Power, Dual Current-Feedback OPERATIONAL AMPLIFIER

TYPICAL CHARACTERISTICS: V_S = ±5V (Cont.)
At T_A = +25°C, G = +2, R_F = 800Ω, and R_L = 100Ω, unless otherwise noted.
COMPOSITE VIDEO DIFFERENTIAL GAIN/PHASE
0.10
0.09
Gain = +2
NTSC, Positive Video
0.08
0.07
0.06
dG
0.05
0.04
0.03
0.02
dP
0.01
0
1
2
3
4
Number of 150Ω Video Loads
OUTPUT CURRENT AND VOLTAGE LIMITATIONS
5
1W Power
4 ^Limit
3
= ^50Ω
2
R^L
1
0
–1
–2
–3
–4
Each
Channel
–5
–150 –100
–50
0
50
I_O (mA)
1W Power
Limit
100
150
TYPICAL DC DRIFT OVER AMBIENT TEMPERATURE
4
3
2
1
Noninverting Input Bias Current
0
Input Offset Voltage
–1
–2
Inverting Input Bias Current
–3
–4
–50 –25
0
25
50
75
Ambient Temperature (°C)
100 125
SUPPLY AND OUTPUT CURRENT
vs AMBIENT TEMPERATURE
200
3.8
Sourcing Output Current
175
3.6
Supply Current
150
3.4
Sinking Output Current
125
3.2
100
–50 –25
0
25
50 75
Ambient Temperature (°C)
3
100 125
SETTLING TIME
0.05
0.04
2V Step
See Figure 1
0.03
0.02
0.01
0
–0.01
–0.02
–0.03
–0.04
–0.05
0
10
20
30
40
50
60
Time (ns)
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
100
1/2
OPA2684
10
800Ω
Z_O
1
800Ω
0.01
0.001
100
1k
10k 100k
1M
Frequency (Hz)
10M 100M
8
OPA2684
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