AD8260ACPZ-RL(Rev0) View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD8260ACPZ-RL
(Rev.:Rev0)
(Rev.:Rev0)
Analog Devices
AD8260ACPZ-RL Datasheet PDF : 32 Pages
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100
GAIN CODE = 1011
10
100k
1M
10M
50M
FREQUENCY (Hz)
Figure 33. Output-Referred Noise vs. Frequency for the VGA/Preamplifier at
Maximum Gain—See Figure 61
100
10
1
0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011
GAIN SELECT CODE
Figure 34. Input-Referred Noise vs. Gain Select Code for the VGA/Preamplifier
See Figure 61
10
GAIN CODE = 1011
1
100k
1M
10M
50M
FREQUENCY (Hz)
Figure 35. Short-Circuit Input Noise vs. Frequency for the VGA/Preamplifier
See Figure 61
AD8260
30
VOUT = 1V p-p
GAIN CODE = 0110
40
50
60
70
HD2
HD3
80
0 200 400 600 800 1000 1200 1400 1600 1800 2000
LOAD RESISTANCE (Ω)
Figure 36. Harmonic Distortion (HD2, HD3) vs. Load Resistance for the
VGA/Preamplifier—See Figure 62
–30
VOUT = 1V p-p
GAIN CODE = 0110
–40
–50
–60
HD2
HD3
–70
–80
0
10
20
30
40
50
LOAD CAPACITANCE (pF)
Figure 37. Harmonic Distortion (HD2, HD3) vs. Load Capacitance for the
VGA/Preamplifier—See Figure 62
0
–20
VOUT = 1V p-p
–40
HD2, fC = 1MHz
HD3, fC = 1MHz
HD2, fC = 10MHz
HD3, fC = 10MHz
–60
–80
–100
MEASUREMENT OF
DISTORTION IS
LIMITED BY THE
MAXIMUM DYNAMIC
INPUT RANGE OF
THE PREAMPLIFIER
–120
0101 0110 0111 1000 1001 1010 1011
GAIN SELECT CODE
Figure 38. Harmonic Distortion (HD2, HD3) vs. Gain Select Code at 1 MHz
and 10 MHz for the VGA/Preamplifier—See Figure 62
Rev. 0 | Page 13 of 32
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