AD8625 Analog Devices, AD8625 Datasheet - Page 11

• Manufacturer Part Number: AD8625
• Description: Precision, Low Power, Single-Supply, JFET Amplifier
• Manufacturer: Analog Devices

Specifications of AD8625

• -3db Bandwidth: 5MHz
• Slew Rate: 5V/µs
• Vos: 50µV
• Ib: 0.25pA
• # Opamps Per Pkg: 4
• Input Noise (nv/rthz): 16nV/rtHz
• Vcc-vee: 5V to 26V
• Isy Per Amplifier: 850µA
• Packages: SOIC,SOP

70
60
50
40
30
20
10
0
0
0
Figure 32. Small-Signal Overshoot vs. Load Capacitance
10
V
A
V
A
V
R
V
A
SY
S
IN
SY
VO
L
V
VO
= ±2.5V
= 10k
= +1
= 100mV p-p
=
=
= 100,000V/V
= 100,000V/V
±
±
13V
2.5V
Ω
Figure 33. 0.1 Hz to 10 Hz Noise
Figure 34. 0.1 Hz to 10 Hz Noise
OS+
OS–
CAPACITANCE (pF)
TIME (1s/DIV)
TIME (1s/DIV)
100
1k
Rev. E | Page 11 of 20
–100
–110
–40
–50
–60
–70
–80
–90
56
49
42
35
28
21
14
56
49
42
35
28
21
14
Figure 37. Total Harmonic Distortion + Noise vs. Frequency
7
0
7
0
0
0
10
V
V
SY
V
SY
SY
1
1
= 5V
=
19.7nV/ Hz
=
±
±
13V
5V, V
16.7nV/ Hz
Figure 35. Voltage Noise Density
Figure 36. Voltage Noise Density
2
2
100
IN
3
3
V
= 9V p-p
SY
AD8625/AD8626/AD8627
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (Hz)
=
V
±
4
4
SY
2.5V, V
=
±
13V, V
5
5
1k
IN
= 4.5V p-p
IN
6
6
= 18V p-p
7
7
10k
8
8
9
9
100k
10
10