OPA2631 Burr-Brown, OPA2631 Datasheet - Page 7

• Manufacturer Part Number: OPA2631
• Description: Dual / Low Power / Single-Supply OPERATIONAL AMPLIFIER
• Manufacturer: Burr-Brown

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