OPA2686 Datasheet, PDF (6/18 Pages) Burr-Brown (TI) – Dual, Wideband, Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER

TYPICAL PERFORMANCE CURVES: V_S = ±5V (Cont.)
At T_A = +25°C, G = +10, R_F = 453Ω, and R_L = 100Ω, unless otherwise noted. See Figure 1.
2nd HARMONIC DISTORTION
vs FREQUENCY
–45
V_O = 2Vp-p
–55 ^{RL = 100Ω}
G = +50V
–65
G = +20
–75
G = +10
–85
–95
–105
1
10
20
Frequency (MHz)
3rd HARMONIC DISTORTION
vs FREQUENCY
–45
V_O = 2Vp-p
–55 ^RL ^{= 100Ω}
G = +50
–65
G = +20
–75
–85
–95
G = +10
–105
1
10
20
Frequency (MHz)
INPUT VOLTAGE and CURRENT NOISE DENSITY
10
1
100
Current Noise
Voltage Noise
1.8pA/√Hz
1.4nV/√Hz
1k
10k
100k
1M
10M
Frequency (Hz)
TWO-TONE, 3rd-0RDER INTERMODULATION
INTERCEPT vs FREQUENCY
50
45
40
35
30
P_I
25
50Ω
20
OPA2686
453Ω
50Ω
P_O
50Ω
15
50Ω
0
0 5 10 15 20 25 30 35 40 45 50
Frequency (MHz)
60
50
40
30
20
10
0
1
R_S vs CAPACITIVE LOAD
10
100
Capacitive Load (pF)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
22
21
C_L = 10pF
20
C_L = 20pF
19
18
C_L = 50pF
17
16 ^VIN
R_S
OPA2686
C_L = 100pF
V_O
15
453Ω
C_L
1kΩ
14
50Ω
13
1kΩ is optional
12
1
10
100
500
Frequency (MHz)
®
OPA2686
6