Datasheet

OPA2694
SBOS320D − SEPTEMBER 2004 − REVISED APRIL 2013
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7
TYPICAL CHARACTERISTICS: V
S
= ±5V (continued)
R
F
= 402Ω, R
L
= 100Ω, and G = +2V/V, unless otherwise noted
INPUT VOLTAGE
AND CURRENT NOISE
10 100 1k 10k 100k 1M 10M
1k
100
10
1
100M
Frequency (Hz)
Current Noise (pA/
√
Hz)
Noninverting Current Noise (24pA/
√
Hz)
Voltage Noise (nV/
√
Hz)
Inverting Current Noise (22pA/
√
Hz)
Voltage Noise (2.1nV/
√
Hz)
2−TONE, 3rd−ORDER
INTERMODULATION INTERCEPT
500
55
50
45
40
35
30
25
20
10 20 30 40 60 70 80 90 100
Frequency (MHz)
Intercept Point (+dBm)
50
Ω
50Ω
50
Ω
P
I
P
O
390
Ω
390
Ω
RECOMMENDED R
S
vs CAPACITIVE LOAD
10
60
50
40
30
20
10
0
100
Capacitive Load (pF)
R
S
(
Ω
)
0dB Peaking Targeted
FREQUENCY RESPONSE
vs CAPACITIVE LOAD
1M
3
0
−
3
−
6
−
9
−
12
−
15
−
18
1G100M10M
Frequency (Hz)
Normalized Gain (dB)
R
S
50
Ω
1/2
OPA2694
C
L
V
I
V
O
390Ω
390
Ω
1kΩ
(1)
NOTE: (1) 1k
Ω
load is optional
C
L
=100pF
C
L
= 47pF
C
L
= 10pF
C
L
= 22pF
COMMON−MODE REJECTION RATIO
AND POWER−SUPPLY REJECTION RATIO
vs FREQUENCY
100
70
60
50
40
30
20
10
0
100M1M10K1K 100K 10M
Frequency (Hz)
PSRR (dB)
CMRR (dB)
CMRR
+PSRR
−
PSRR
OPEN−LOOP Z
OL
GAIN AND PHASE
100
120
110
100
90
80
70
60
50
40
30
0
−
30
−
60
−
90
−
120
−
150
−
180
−
210
1G100M1M10K1K 100K 10M
Frequency (Hz)
Open−Loop Z
OL
Gain (dB
Ω
)
Open−Loop Z
OL
Phase (
_
)
20 log |Z
OL
|
<Z
OL