OPA2634 Datasheet, PDF (9/17 Pages) Burr-Brown (TI) – Dual, Wideband, Single-Supply OPERATIONAL AMPLIFIER

TYPICAL PERFORMANCE CURVES: V_S = +3V
At T_A = 25°C, G = +2, R_F = 750Ω, and R_L = 150Ω to V_S/2, unless otherwise noted (see Figure 2).
SMALL-SIGNAL FREQUENCY RESPONSE
6
V_O = 0.2Vp-p
3
G = +2
0
G = +5
–3
–6
–9
G = +10
–12
–15
–18
1
10
100
300
Frequency (MHz)
12
9
6
3
0
–3
–6
–9
–12
1
LARGE-SIGNAL FREQUENCY RESPONSE
V_O = 0.2Vp-p
V_O = 1Vp-p
V_O = 2Vp-p
10
100
300
Frequency (MHz)
TWO-TONE, 3rd-ORDER
INTERMODULATION SPURIOUS
–40
–45
f_O = 20MHz
–50
–55
–60
f_O = 10MHz
–65
–70
–75
–80
–85
–90
–16
f_O = 5MHz
Load Power at
Matched 50Ω Load
–14
–12
–10
–8
–6
–4
Single-Tone Load Power (dBm)
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
50
OUTPUT SWING vs LOAD RESISTANCE
1.0
0.9
Left Scale
0.8
Maximum V_O
0.7
0.6
0.5
0.4
0.3
Right Scale
0.2
Minimum V_O
0.1
0.0
100
1000
R_L (Ω)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
2
1
V_O = 0.2Vp-p
0
C_L = 1000pF
C_L = 10pF
–1
–2
–3
C_L = 100pF
–4
–5
1/2
OPA2634
R_S
V_O
–6
C_L
1kΩ
–7
–8
1
+V_S/2
10
100
300
Frequency (MHz)
1000
RECOMMENDED R_S vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
OPA2634
9
SBOS098A