AD704 Analog Devices, AD704 Datasheet - Page 7

• Manufacturer Part Number: AD704
• Description: Picoampere Input Current Quad Bipolar Op Amp
• Manufacturer: Analog Devices

Specifications of AD704

• Vcc-vee: 4V to 36V
• Isy Per Amplifier: 600µA
• Packages: DIP,LCC,SOIC
• -3db Bandwidth: 800kHz
• Slew Rate: 150mV/µs
• Vos: 30µV
• Ib: 100pA
• # Opamps Per Pkg: 4
• Input Noise (nv/rthz): 15nV/rtHz

120
100
Figure 14. Change in Input Offset Voltage vs. Warm-Up Time
80
60
40
20
50
40
30
20
10
4
3
2
1
0
Figure 13. Typical Distribution of Input Offset Voltage Drift
0
–15
0
Figure 15. Input Bias Current vs. Common-Mode Voltage
0
–0.8
–10
INPUT OFFSET VOLTAGE DRIFT (µV/°C)
1
COMMON-MODE VOLTAGE (V)
–0.4
WARM-UP TIME (Minutes)
–5
2
NEGATIVE I
POSITIVE I
0
0
B
B
3
5
0.4
4
10
0.8
15
5
Rev. E | Page 7 of 16
0.5µV
100
100
1k
10
1k
10
1
1
1
1
0
Figure 16. Input Noise Voltage Spectral Density
Figure 17. Input Noise Current Spectral Density
Figure 18. 0.1 Hz to 10 Hz Noise Voltage
100Ω
20MΩ
10kΩ
10
10
FREQUENCY (Hz)
FREQUENCY (Hz)
TIME (Seconds)
5
V
OUT
100
100
AD704
1k
1k
10