Datasheet
Frequency (Hz)
100 1k 10k 100k 1M 10M
Current Noise (1.8pA/ Hz)Ö
Each Input
Differential Input
Voltage Noise (2.4nV/ Hz)Ö
e (nV/ )
n
Hz
i (pA/ )
n
Hz
?
?
10
1
Control Voltage (V)
0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0
Input-Referred Voltage Noise Density
Output-Referred Voltage Noise Density
R = 20W
S
on Each Input
10000
1000
100
10
1
e (nV/ )
n
Hz
e (nV/ )
O
Hz
?
?
Frequency (Hz)
1M 10M 100M
V = +0.1V
C
V = +0.2V
C
0
20
40
60
80
100
120
-
-
-
-
-
-
Isolation (dB)
Gain (dB)
-40 -30 -20 -10 0 10 20 30 40
Maximum Error Band
Typical Devices
50
40
30
20
10
0
10
20
30
40
50-
-
-
-
-
Output Offset Error (mV)
Control Voltage (V)
0 -0.5 -1 -1.5 -2
Deviation from 40dB/V Gain Slope-
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
0.5
-
-
-
-
-
Gain Error (dB)
Total Tested = 1462 G = +40dB
Output Offset Voltage (mV)
< 50-
< 45-
< 40-
< 35-
< 30-
< 25-
< 20-
< 15-
< 10-
< 5-
<0
<5
<10
<15
<20
<25
<30
<35
<40
<45
<50
>50
250
200
150
100
50
0
Count
VCA810
SBOS275F –JUNE 2003–REVISED DECEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= ±5V (continued)
At R
L
= 500Ω and V
IN
= single-ended input on V+ with V− at ground, unless otherwise noted.
NOISE DENSITY vs CONTROL VOLTAGE INPUT VOLTAGE AND CURRENT NOISE
Figure 13. Figure 14.
OUTPUT OFFSET VOLTAGE
FULLY ATTENUATED ISOLATION vs FREQUENCY TOTAL ERROR BAND vs GAIN
Figure 15. Figure 16.
TYPICAL GAIN ERROR PLOT OUTPUT OFFSET VOLTAGE DISTRIBUTION
Figure 17. Figure 18.
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