AD8641 Analog Devices, AD8641 Datasheet - Page 10

• Manufacturer Part Number: AD8641
• Description: Low Power, Rail - to - Rail Output Precision JFET Amplifier in 5-lead SC70 and 8-lead SOIC lead-free packages
• Manufacturer: Analog Devices

Specifications of AD8641

• Vcc-vee: 5V to 26V
• Isy Per Amplifier: 290µA
• Packages: SC70,SOIC
• -3db Bandwidth: 3.5MHz
• Slew Rate: 3V/µs
• Vos: 50µV
• Ib: 0.25pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 27.5nV/rtHz

AD8641/AD8642/AD8643
1000
1000
0.01
0.01
140
120
100
–20
–40
–60
100
100
0.1
0.1
80
60
40
20
10
10
1
1
0
1k
1k
1k
V
G = +10
G = +10
V
V
SY
SY
SY
= 5V
= 5V
= ± 13V
Figure 32. Output Impedance vs. Frequency
Figure 33. Output Impedance vs. Frequency
10k
10k
G = +100
G = +1
G = +1
10k
–PSRR
Figure 31. PSRR vs. Frequency
G = +100
FREQUENCY (Hz)
+PSRR
100k
FREQUENCY (Hz)
100k
FREQUENCY (Hz)
100k
1M
1M
1M
10M
10M
10M
100M
100M
Rev. E | Page 10 of 16
–0.2
–0.4
–0.6
–0.8
–1.0
–10
–15
1.0
0.8
0.6
0.4
0.2
15
10
–5
70
60
50
40
30
20
10
1
2
0
5
0
0
–5
0
1
CH1
Figure 36. Small Signal Overshoot vs. Load Capacitance
V
GAIN = +5
V
R
V
A
Figure 35. Output Swing and Error vs. Settling Time
S
S
IN
L
V
0.2
–4
10.0V
= ±13V
=
= 10k
= +1
= 100mV p-p
±
13V
0.4
Ω
–3
CH2 10.0V
Figure 34. No Phase Reversal
TS + (1%)
0.6
–2
10
SETTLING TIME (μs)
CAPACITANCE (pF)
0.8
–1
V
TS – (1%)
CM
1.0
T
M400 μ s
0
T
(V)
TS + (0.1%)
1.2
0.00000s
1
TS – (0.1%)
100
1.4
OS–
2
A CH1
V
V
1.6
OUT
3
IN
V
OS+
SY
Data Sheet
= ± 13V
1.8
4
1.00V
1000
2.0
5