VCA2619 Datasheet, PDF (7/19 Pages) Burr-Brown (TI) – Dual, Variable Gain Amplifier with Input Buffer

VCA2619
www.ti.com
SBOS276A − AUGUST 2003 − REVISED AUGUST 2003
TYPICAL CHARACTERISTICS (continued)
At TA = 25°C and VDD = 5V, load resistance = 500Ω on each output to ground, differential output (2VPP) MGS = 111, and fIN = 5MHz, unless
otherwise noted.
NOISE FIGURE vs VCA_CNTL
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
VCA_CNTL (V)
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
−85
−90
100k
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2V_PP, MGS = 100)
1M
Frequency (Hz)
VCA_CNTL = 0.9V, H2
VCA_CNTL = 0.9V, H3
VCA_CNTL = 2.9V, H2
VCA_CNTL = 2.9V, H3
10M
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
−85
−90
100k
HARMONIC DISTORTION vs FREQUENCY
(Single−Ended, 1V_PP, MGS = 010)
1M
Frequency (Hz)
VCA_CNTL = 0.9V, H2
VCA_CNTL = 0.9V, H3
VCA_CNTL = 2.9V, H2
VCA_CNTL = 2.9V, H3
10M
−30
−35
−40
−45
−50
−55
−60
−65
−70
100k
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2V_PP, MGS = 010)
VCA_CNTL = 0.9V, H2
VCA_CNTL = 0.9V, H3
VCA_CNTL = 2.9V, H2
VCA_CNTL = 2.9V, H3
1M
Frequency (Hz)
10M
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
100k
HARMONIC DISTORTION vs FREQUENCY
(Differential, 2V_PP, MGS = 111)
VCA_{C NTL} = 0.9V, H2
VCA_{C NTL} = 0.9V, H3
VCA_{C NTL} = 2.9V, H2
VCA_{C NTL} = 2.9V, H3
1M
Frequency (Hz)
10M
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
−85
−90
100k
HARMONIC DISTORTION vs FREQUENCY
(Single−Ended, 1V_PP, MGS = 100)
1M
Frequency (Hz)
VCA_CNTL = 0.9V, H2
VCA_CNTL = 0.9V, H3
VCA_CNTL = 2.9V, H2
VCA_CNTL = 2.9V, H3
10M
7