VCA2619 Datasheet, PDF (8/19 Pages) Burr-Brown (TI) – Dual, Variable Gain Amplifier with Input Buffer

VCA2619
SBOS276A − AUGUST 2003 − REVISED AUGUST 2003
www.ti.com
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.
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
−85
−90
100k
HARMONIC DISTORTION vs FREQUENCY
(Single−Ended, 1V_PP, MGS = 111)
1M
Frequency (Hz)
VCA_CNTL = 0.9V, H2
VCA_CNTL = 0.9V, H3
VCA_CNTL = 2.9V, H2
VCA_CNTL = 2.9V, H3
10M
HARMONIC DISTORTION vs VCA_CNTL
(Single−Ended, 1V_PP, 5MHz)
−30
MGS = 010, H2
−35
MGS = 100, H2
MGS = 111, H2
MGS = 010, H3
−40
MGS = 100, H3
MGS = 111, H3
−45
−50
−55
−60
−65
0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
VCA_CNTL (V)
INTERMODULATION DISTORTION
(Differential, 2 V_PP, f_IN = 10MHz)
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
9.5 9.6 9.7 9.8 9.9 10.0 10.1 10.2 10.3 10.4 10.5
Frequency (MHz)
0
−5
−10
−15
−20
−25
−30
−35
−40
−45
−50
−55
−60
−65
−70
−75
−80
0.9
HARMONIC DISTORTION vs VCA_CNTL
(Differential, 2V_PP, 5MHz)
MGS = 010, H2
MGS = 100, H2
MGS = 111, H2
MGS = 010, H3
MGS = 100, H3
MGS = 111, H3
1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
VCA_CNTL (V)
INTERMODULATION DISTORTION
(Single−Ended, 1V_PP, f_IN = 10MHz)
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
9.5 9.6 9.7 9.8 9.9 10.0 10.1 10.2 10.3 10.4 10.5
Frequency (MHz)
0
−10
−20
−30
−40
−50
−60
−70
1M
CROSS TALK vs FREQUENCY
(Differential, 2V_PP, MGS = 011)
VCA_CNTL = 0.9V
VCA_CNTL = 1.9V
VCA_CNTL = 2.9V
Frequency (Hz)
10M
20M
8