Datasheet

10 100 1k 10k 100k 1M 10M 100M
Frequency(Hz)
NoninvertingCurrentNoise(24pA/ )ÖHz
InvertingCurrentNoise(22pA/ )ÖHz
VoltageNoise(2.1nV/ )ÖHz
1k
100
10
1
VoltageNoise(nV/ )
CurrentNoise(pA/ )
Ö
Ö
Hz
Hz
500 10 20 30 40 60 70 80 90 100
Frequency(MHz)
InterceptPoint(+dBm)
50W
OPA694
50W
50W
P
I
P
O
402W
402W
55
50
45
40
35
30
25
20
10 100
CapacitiveLoad(pF)
R ( )W
S
0dBPeakingTargeted
60
50
40
30
20
10
0
1M 1G100M10M
Frequency(Hz)
NormalizedGain(dB)
R
S
50W
OPA694
C
L
V
I
V
O
402W
402W
1kW
(1)
NOTE:(1)1k loadisoptionalW
C =100pF
L
C =47pF
L
C =10pF
L
C =22pF
L
3
0
3
6
9
12
15
18
-
-
-
-
-
-
100 1G100M1M10k1k 100k 10M
Frequency(Hz)
Open-LoopZ Gain(dB )W
OL
Open-LoopZ Phase( )°
OL
<Z
OL
120
110
100
90
80
70
60
50
40
30
0
30
60
90
120
150
180
210-
-
-
-
-
-
-
20log|Z |
OL
100 100M1M10k1k 100k 10M
Frequency(Hz)
70
60
50
40
30
20
10
0
CMRR(dB)
PSRR(dB)
CMRR
+PSRR
-PSRR
OPA694
www.ti.com SBOS319G –SEPTEMBER 2004–REVISED JANUARY 2010
TYPICAL CHARACTERISTICS: V
S
= ±5V (continued)
At R
F
= 402Ω, R
L
= 100Ω, and G = +2V/V, unless otherwise noted.
TWO−TONE, THIRD−ORDER
INPUT VOLTAGE AND CURRENT NOISE INTERMODULATION INTERCEPT
Figure 13. Figure 14.
RECOMMENDED R
S
vs CAPACITIVE LOAD FREQUENCY RESPONSE vs CAPACITIVE LOAD
Figure 15. Figure 16.
COMMON−MODE REJECTION RATIO AND
POWER−SUPPLY REJECTION RATIO vs FREQUENCY OPEN−LOOP Z
OL
GAIN AND PHASE
Figure 17. Figure 18.
Copyright © 2004–2010, Texas Instruments Incorporated 7
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