VCA810_16 Datasheet, PDF (13/40 Pages) Texas Instruments – VCA810 High Gain Adjust Range, Wideband and Variable Gain Amplifier

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VCA810
SBOS275G – JUNE 2003 – REVISED DECEMBER 2015
Typical Characteristics (continued)
At R_L = 500 Ω and V_IN = single-ended input on V+ with V− at ground, V_S = ±5 V, unless otherwise noted.
10000
Input-Referred Voltage Noise Density ^RS ^{= 20W}
10
on Each Input
1000
100
Output-Referred Voltage Noise Density
10
1
0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0
Control Voltage (V)
Figure 13. Noise Density vs Control Voltage
0
-20
V_C = +0.1V
-40
-60
V_C = +0.2V
-80
-100
-120
1M
10M
Frequency (Hz)
100M
Figure 15. Fully Attenuated Isolation vs Frequency
0.4
Deviation from -40dB/V Gain Slope
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
-0.5
-1
-1.5
-2
Control Voltage (V)
Figure 17. Typical Gain Error Plot
Differential Input
Voltage Noise (2.4nV/ÖHz)
Current Noise (1.8pA/ÖHz)
Each Input
1
100
1k
10k
100k
Frequency (Hz)
1M
10M
Figure 14. Input Voltage and Current Noise
50
40
30
Maximum Error Band
20
10
Typical Devices
0
-10
-20
-30
-40
-50
-40 -30 -20 -10 0 10 20 30 40
Gain (dB)
Figure 16. Output Offset Voltage Total Error Band vs Gain
250
Total Tested = 1462
G = +40dB
200
150
100
50
0
Output Offset Voltage (mV)
Figure 18. Output Offset Voltage Distribution
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