AD705BQ Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD705BQ Datasheet PDF : 8 Pages
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AD705
1
1M
GAIN BANDWIDTH
0.1
SLEW RATE
100k
0.01
ADDING AN EXTERNAL
10k
CAPACITOR BETWEEN
PIN 5 AND GROUND
INCREASES THE AMPLIFIER'S
COMPENSATION
0.001
1
1k
10
100
1000
10,000
VALUE OF OVERCOMPENSATION CAPACITOR – pF
Figure 19. Slew Rate & Gain
Bandwidth Product vs. Value of
Overcompensation Capacitor
1000
100
AV = –1000
10
1
AV = +1
0.1
0.01
0.001
1
IOUT = +1mA
10
100
1k
10k
FREQUENCY – Hz
100k
Figure 20. Magnitude of Closed
Loop Output Impedance vs.
Frequency
RF
+VS
0.1µF
2
7
AD705
6
VIN
3
4
RL
2kΩ
–VS
SQUARE WAVE
INPUT
0.1µF
VOUT
CL
Figure 21a. Unity Gain Follower
(For Large Signal Applications,
Resistor RF Limits the Current
Through the Input Protection
Diodes)
20µs
100
100
90
90
5µs
100
90
5µs
10
0%
2V
Figure 21b. Unity Gain Follower
Large Signal Pulse Response
RF = 10 kΩ, CL = 50 pF
10
0%
20mV
Figure 21c. Unity Gain Follower
Small Signal Pulse Response
RF = 0 Ω, CL = 100 pF
10kΩ
+VS
10kΩ
VIN
2
7
AD705
3
4
0.1µF
6
RL
2.5kΩ
VOUT
CL
SQUARE WAVE
INPUT
–VS
0.1µF
Figure 22a. Unity Gain Inverter
2V
100
90
50µs
10
0%
Figure 22b. Unity Gain Inverter
Large Signal Pulse Response
CL = 50 pF
10
0%
20mV
Figure 21d. Unity Gain Follower
Small Signal Pulse Response
RF = 0 Ω, CL = 1000 pF
5µs
100
90
10
0%
20mV
Figure 22c. Unity Gain Inverter
Small Signal Pulse Response
CL = 100 pF
–6–
REV. B
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