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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1.5
1.0
VS = +3V, +5V, AND ±5V
0.5
0
–0.5
–1.0
–1.5
–3 –2 –1 0 1 2 3 4 5 6 7 8
TIME (ns)
Figure 45. Large-Signal Pulse Response for Various Values of Supply Voltage
for the VGA/Preamplifier
T
M
CH1 AMPL
3.28V
1
CH2 AMPL
1.20mV
MATH AMPL
117mV
4
CH1 1.00VΩ CH2 20.0mVΩ
CH2 20.0mVΩ
MATH 100mV 200nV
M200ns
A CH1
T 595.200ns
760mV
Figure 46. Gain Response for the VGA/Preamplifier, Yellow: Gain Code Select,
Red: VGA Differential Output, Blue/Green: VGAP and VGAN
2
1
0
–1
–2
–200 –100 0 100 200 300 400 500 600 700 800
TIME (ns)
Figure 47. Overdrive Recovery of the VGA/Preamplifier—Gain Code = 1011
AD8260
–10
+SUPPLY VGA/PREAMPLIFIER
–20
+SUPPLY HIGH CURRENT DRIVER
–SUPPLY VGA PREAMPLIFIER
–SUPPLY HIGH CURRENT DRIVER
–30
–40
–50
VS = ±3.3V
GAIN CODE = 1011
–60
–70
100k
1M
5M
FREQUENCY (Hz)
Figure 48. PSRR vs. Frequency for Dual Supplies for the High Current Driver
and the VGA/Preamplifier
40
35
30
25
20
15
10
5
0
–55 –35 –15
FULLY ENABLED
VGA/PREAMPLIFIER ENABLED
HIGH CURRENT DRIVER ENABLED
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 49. Quiescent Supply Current vs. Temperature for Three Operating States
80
70
60
50
40
30
20
10
0
–55 –35 –15
5 25 45 65
TEMPERATURE (°C)
85 105 125
Figure 50. Standby Quiescent Supply Current vs. Temperature
Rev. 0 | Page 15 of 32
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