ADA4051-2 Analog Devices, ADA4051-2 Datasheet - Page 9

• Manufacturer Part Number: ADA4051-2
• Description: 1.8V, µPower, Zero-Drift, Rail-to-Rail I/O Amplifier
• Manufacturer: Analog Devices

Specifications of ADA4051-2

• -3db Bandwidth: 200kHz
• Slew Rate: 40mV/µs
• Vos: 2µV
• Ib: 20pA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 95nV/rtHz
• Vcc-vee: 1.8V to 5.5V
• Isy Per Amplifier: 13µA
• Packages: SOP

T
A
= 25°C, unless otherwise noted.
–20
–40
–60
80
60
40
20
0
100
–10
–20
–30
–40
–50
30
25
20
15
10
50
40
30
20
10
5
0
0
100
0
Figure 24. Open-Loop Gain and Phase vs. Frequency
Figure 23. Total Supply Current vs. Supply Voltage
G = 1
G = 10
G = 100
0.5
ADA4051-2
ADA4051-1
Figure 25. Closed-Loop Gain vs. Frequency
1k
1.0
1k
1.5
FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
2.0
10k
GAIN
10k
2.5
3.0
100k
PHASE
100k
3.5
V
CM
V
C
= V
4.0
SY
L
= 100pF
V
R
C
SY
= 1.8V
SY
L
L
/2
1M
= 10kΩ
= 50pF
4.5
= 1.8V
1M
180
135
90
45
0
–45
–90
–135
5.0
Rev. B | Page 9 of 20
–20
–40
–60
80
60
40
20
0
100
30
25
20
15
10
–10
–20
–30
–40
–50
5
0
50
40
30
20
10
–40
0
100
Figure 27. Open-Loop Gain and Phase vs. Frequency
V
CM
Figure 26. Total Supply Current vs. Temperature
–25
G = 1
G = 10
G = 100
= V
Figure 28. Closed-Loop Gain vs. Frequency
SY
–10
1k
/2
1k
5
FREQUENCY (Hz)
TEMPERATURE (°C)
20
ADA4051-1/ADA4051-2
FREQUENCY (Hz)
10k
GAIN
35
10k
50
65
100k
PHASE
100k
ADA4051-2, 1.8V
ADA4051-2, 5V
ADA4051-1, 1.8V
ADA4051-1, 5V
80
V
C
SY
L
95
= 100pF
= 5V
V
R
C
SY
L
L
1M
110
= 10kΩ
= 50pF
= 5V
1M
180
135
90
45
0
–45
–90
–135
125