OPA3684 Datasheet, PDF (7/26 Pages) Burr-Brown (TI) – Low-Power, Triple Current-Feedback OPERATIONAL AMPLIFIER With Disable

TYPICAL CHARACTERISTICS: V_S = ±5V (Cont.)
At T_A = +25°C, G = +2, R_F = 800Ω, and R_L = 100Ω, unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE DENSITY
100
Inverting Current Noise
17pA/√Hz
Noninverting Current Noise
9.4pA/√Hz
10
Voltage Noise
3.7nV/√Hz
1
100
1k
10k
100k
1M
10M
Frequency (Hz)
2-TONE, 3RD-ORDER
INTERMODULATION DISTORTION
–50
20MHz
–60
+5V
PI
50Ω OPA3684
–70
–5V
800Ω
800Ω
50Ω
PO
50Ω
10MHz
5MHz
–80
1MHz
–90
–8 –7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7 8
Power at Load (each tone, dBm)
6
5
V_DIS
4
3
V_OUT
2
1
0
0
2
DISABLE TIME
V_IN = 1V_DC
See Figure 1
4
6
8 10 12 14 16
Time (ms)
–40
G = +2
V_DIS = 0
–50
DISABLED FEEDTHROUGH
–60
–70
–80
–90
–100
0.1
See Figure 1
1
10
100
Frequency (MHz)
50
40
30
20
10
0
1
R_S vs C_LOAD
0.5dB Peaking
10
100
C_LOAD (pF)
SMALL-SIGNAL BANDWIDTH vs C_LOAD
9
12pF _5pF
6
3
V_I
0
+5V
50Ω OPA3684
–5V
–3
800Ω
800Ω
–6
1
RS
VO
CL
1kΩ
100pF
75pF
50pF
33pF
20pF
10
100
Frequency (MHz)
300
OPA3684
7
SBOS241A
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