AD8656 Analog Devices, AD8656 Datasheet - Page 13

• Manufacturer Part Number: AD8656
• Description: Low Noise, Precision CMOS Dual Amplifier
• Manufacturer: Analog Devices

Specifications of AD8656

• -3db Bandwidth: 28MHz
• Slew Rate: 11V/µs
• Vos: 50µV
• Ib: 10pA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 4nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 4.5mA
• Packages: SOIC,SOP

Data Sheet
102.00
98.00
94.00
90.00
86.00
120
100
100
80
60
40
20
80
60
40
20
0
0
100
100
–50
Figure 48. Large Signal CMRR vs. Temperature
Figure 49. Small Signal PSSR vs. Frequency
–PSRR
1k
Figure 47. CMRR vs. Frequency
1k
0
+PSRR
10k
FREQUENCY (Hz)
TEMPERATURE (°C)
FREQUENCY (Hz)
10k
100k
50
1M
100k
100
V
V
R
C
V
V
R
C
S
IN
L
L
S
IN
L
L
10M
V
= ±1.35V
= 1MΩ
= 47pF
S
= ±1.35V
= 1MΩ
= 47pF
= 28mV
= 50mV
= ±1.35V
100M
1M
150
Rev. B | Page 13 of 20
120
100
–20
–40
80
60
40
20
130.00
120.00
100.00
110.00
0
90.00
80.00
10k
–10
–20
50
40
30
20
10
0
Figure 51. Large Signal Open-Loop Gain vs. Temperature
1k
–50
Figure 50. Open-Loop Gain and Phase vs. Frequency
Figure 52. Closed-Loop Gain vs. Frequency
100k
10k
0
FREQUENCY (Hz)
TEMPERATURE (°C)
FREQUENCY (Hz)
100k
1M
AD8655/AD8656
50
V
C
PHASE MARGIN = 54°
1M
S
LOAD
= ±1.35V
10M
= 11.5pF
100
V
R
C
10M
S
L
L
V
R
= ±1.35V
= 1M Ω
= 47pF
S
L
= ±1.35V
= 10k Ω
100M
100M
–90
–135
–180
–225
–45
150