OPA2631 Datasheet, PDF (7/17 Pages) Burr-Brown (TI) – Dual, Low Power, Single-Supply OPERATIONAL AMPLIFIER

TYPICAL PERFORMANCE CURVES: V_S = +5V (Cont.)
At T_A = 25°C, G = +2, R_F = 750Ω, and R_L = 150Ω to V_S / 2, unless otherwise noted (see Figure 1).
TWO-TONE, 3rd-ORDER
INTERMODULATION SPURIOUS
–30
f_O = 10MHz
–40
–50
–60
–70
–80
–90
–16
f_O = 5MHz
f_O = 1MHz
Load Power at
Matched 50Ω Load
–14 –12 –10 –8 –6 –4 –2 0
Single-Tone Load Power (dBm)
HARMONIC DISTORTION vs NON-INVERTING GAIN
–30
V_O = 2Vp-p
f = 5MHz
3rd Harmonic
–40
2nd Harmonic
–50
–60
–70
–80
1
10
Gain Magnitude (V/V)
INPUT NOISE DENSITY vs FREQUENCY
100
10
Voltage Noise, e_ni = 6.0nV/√Hz
Current Noise, i_ni = 1.9pA/√Hz
1
100
1K
10K
100K
1M
10M
Frequency (Hz)
1000
RECOMMENDED R_S vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
2
1
C_L =1000pF
R_S = 10Ω
C_L = 10pF
R_S = 249Ω
0
–1
–2
–3
–4
–5
1/2
OPA2631
R_S
–6
V_O
C_L
1kΩ
C_L = 100pF
R_S = 35.7Ω
–7
–8
1
+V_S/2
10
100
300
Frequency (MHz)
OPEN-LOOP GAIN AND PHASE
100
90
80
Open-Loop Phase
70
60 _{Open-Loop Gain}
50
40
30
20
10
0
–10
–20
1K
10K 100K
1M
10M 100M
Frequency (Hz)
0
–30
–60
–90
–120
–150
–180
–210
–240
–270
–300
–330
–360
1G
®
7
OPA2631