AD795 Analog Devices, AD795 Datasheet - Page 7

• Manufacturer Part Number: AD795
• Description: Low Power, Low Noise Precision FET Op Amp
• Manufacturer: Analog Devices

Specifications of AD795

• -3db Bandwidth: 1.6MHz
• Slew Rate: 1V/µs
• Vos: 100µV
• Ib: 1pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 9nV/rtHz
• Vcc-vee: 8V to 36V
• Isy Per Amplifier: 1.5mA
• Packages: SOIC

Figure 12. Voltage and Current Noise Spectral Density vs. Temperature
15.0
12.5
10.0
7.5
5.0
10
10
10
10
10
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
10
10
10
10
10
10
–60
–10
–11
–12
–13
–14
Figure 11. Input Bias Current vs. Differential Input Voltage
Figure 10. Input Bias Current vs. Common-Mode Voltage
–4
–5
–6
–7
–8
–9
–15
–6
f = 1kHz
–40
–5
–10
–20
–I
VOLTAGE NOISE
–4
IN
DIFFERENTIAL INPUT VOLTAGE (±V)
–3
COMMON-MODE VOLTAGE (V)
0
TEMPERATURE (°C)
–5
–2
CURRENT NOISE
20
–1
40
0
0
60
1
80
5
2
100
3
+I
10
4
120
IN
5
140
100
10
1
0.1
0.01
15
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Rev. C | Page 7 of 20
100
100
1k
10
1k
10
50
40
30
20
10
1
1
0
1k
1
0
Figure 14. Typical Distribution of Input Voltage Noise
Figure 13. Input Voltage Noise vs. Source Resistance
NOISE BANDWIDTH: 0.1Hz TO 10Hz
SAMPLE SIZE = 344
Figure 15. Input Voltage Noise Spectral Density
10
10
k
INPUT VOLTAGE NOISE (µV p-p)
100
SOURCE RESISTANCE (Ω)
100k
1
FREQUENCY (Hz)
1k
1M
10k
f = 0.1Hz TO 10Hz
10M
2
100k
100M
1M
AD795
10M
1G
3