Datasheet

AD8264
Rev. A | Page 13 of 40
1
10
100
–0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7
INPUT REFERRED NOISE (nV/√Hz)
V
GAIN
(V)
DIFFERENTIAL OUTPUT
VGAx
07736-033
Figure 33. Input Referred Noise from VGAx and Differential Output vs. V
GAIN
1
10
100
100k
FREQ
UENCY (Hz)
1M 10M 100M10k1k1001
INPUT REFERRED NOISE (nV/√Hz)
07736-034
VGAx
DIFFERENTIAL OUTPUT
Figure 34. Input Referred Noise vs. Frequency at Maximum Gain
1 10 100 1k 10k
1
10
100
INPUT REFERRED NOISE (nV/√Hz)
R
SOURCE
(Ω)
07736-035
DIFFERENTIAL OUTPUT
VGAx
Figure 35. Input Referred Noise vs. R
SOURCE
5
10
15
20
25
30
35
–0.7 –0.5 –0.3 –0.1 0.1 0.3 0.5 0.7
NOISE FIGURE (dB)
V
GAIN
(V)
DIFFERENTIAL OUTPUT
(TERMINATED)
DIFFERENTIAL OUTPUT
(UNTERMINATED)
VGAx (TERMINATED)
VGAx (UNTERMINATED)
07736-036
Figure 36. Noise Figure vs. V
GAIN
–70
–60
–50
–40
–30
–20
–10
0.1 1 10 100
CMRR (dB)
FREQUENCY (MHz)
07736-037
Figure 37. VOCM Common-Mode Rejection Ratio vs. Frequency
−90
−60
−50
−80
−70
HD (dBc)
−30
−40
HD2, V
S
= ±2.5V
HD3, V
S
= ±2.5V
HD2, V
S
= ±5V
HD3, V
S
= ±5V
0 400 800 1200 20001600
R
LOAD
(Ω)
07736-038
Figure 38. Harmonic Distortion to VGAx vs. R
LOAD
and Various Supplies