AD8627 Datasheet, PDF (11/20 Pages) Analog Devices – Precision Low Power Single-Supply JFET Amplifier

70
V_S = ±2.5V
R_L = 10kΩ
60 V_IN = 100mV p-p
A_V = +1
50
40
30
OS+
20
OS–
10
0
10
100
1k
CAPACITANCE (pF)
Figure 32. Small Signal Overshoot vs. Load Capacitance
V_SY = ±3V
A_VO = 100,000V/V
0
TIME (1s/DIV)
Figure 33. 0.1 Hz to 10 Hz Noise
V_SY = ±2.5V
A_VO = 100,000V/V
0
TIME (1s/DIV)
Figure 34. 0.1 Hz to 10 Hz Noise
AD8627/AD8626/AD8625
56
V_SY = ±13V
49
42
35
19.7nV/ Hz
28
21
14
7
0
012345678
FREQUENCY (kHz)
Figure 35. Voltage Noise Density
9 10
56
V_SY = 5V
49
42
35
16.7nV/ Hz
28
21
14
7
0
012345678
FREQUENCY (kHz)
Figure 36. Voltage Noise Density
9 10
–40
–50
–60
–70
V_SY = ±5V, V_IN = 9V p-p
–80
V_SY = ±13V, V_IN = 18V p-p
–90
–100
V_SY = ±2.5V, V_IN = 4.5V p-p
–110
10
100
1k
10k
FREQUENCY (Hz)
100k
Figure 37. Total Harmonic Distortion + Noise vs. Frequency
Rev. B | Page 11 of 20