Datasheet

OPA2822
7
SBOS188E
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±6V (Cont.)
T
A
= +25°C, G
= +2, R
F
= 402, and R
L
= 100, unless otherwise noted.
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
10
2
10
4
10
5
10
6
10
3
10
7
Voltage Noise nV/Hz
Current Noise pA/Hz
10
1
2nV/Hz
1.6pA/Hz
Voltage Noise
Current Noise
2-TONE, 3rd-ORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
11020
Intercept Point (+dBm)
60
55
50
45
40
35
30
25
20
1/2
OPA2822
50
50
P
I
50
402
402
P
O
CHANNEL-TO-CHANNEL CROSSTALK
Frequency (MHz)
0.1 100101 500
Cross-Talk Input Referred (dB)
40
50
60
70
80
90
100
Input Referred
R
L
= 100
G = +2
GAIN FLATNESS
Frequency (MHz)
0 15010050 200
Deviation from 6dB Gain (0.1dB/div)
0.50
0.40
0.30
0.20
0.10
0.00
0.10
0.20
0.30
0.40
0.50
NG = 3.5
R
NG
= 301
NG = 3.0
R
NG
= 452
NG = 2.5
R
NG
= 904
G = 2
Noise Gain
Adjusted
See Figure 12
NG = 2
R
NG
=
RECOMMENDED R
S
vs CAPACITIVE LOAD
Capacitive Load (pF)
10 100 1k
R
S
()
1000
100
10
1
For Maximally Flat Response,
See Figure 12
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (MHz)
1 10 100 500
Normalized Gain to Capacitive Load (dB)
9
6
3
0
3
6
9
12
1/2
OPA2822
R
S
V
I
1k
1kis optional.
C
L
402
402
V
O
C
L
= 100pF
C
L
= 10pF
C
L
= 22pF
C
L
= 47pF