AD8646 Analog Devices, AD8646 Datasheet - Page 13

• Manufacturer Part Number: AD8646
• Description: 24 MHz Rail-to-Rail Dual Amplifier
• Manufacturer: Analog Devices

Specifications of AD8646

• -3db Bandwidth: 24MHz
• Slew Rate: 11V/µs
• Vos: 600µV
• Ib: 0.3pA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 6nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 2mA
• Packages: SOIC,SOP

4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–40
Figure 40. Supply Current per Amplifier vs. Temperature
AMPLIFIER OUTPUT
–20
0
Figure 41. Turn-On Time
Figure 42. Turn-Off Time
TIME (200ns/DIV)
TIME (200ns/DIV)
TEMPERATURE (°C)
20
SHUTDOWN PIN
SHUTDOWN PIN
40
AMPLIFIER OUTPUT
60
V
R
A
T
80
V
SY
A
V
R
A
T
L
V
SY
A
SY
L
V
= 1kΩ
= 25°C
= 1
V
V
= 2.7V
= 1kΩ
= 25°C
= 1
SY
OUT
= 2.7V
= 2.7V
100
= 5V
= V
SY
/2
120
Rev. D | Page 13 of 20
–100
–120
–20
–40
–60
–80
0
1k
V
R
A
T
V
R
A
T
A
SY
L
V
SY
A
L
V
= 2kΩ
= 25°C
= –100
= 1kΩ
= 25°C
= 1
= 5V
= 5V
Figure 43. Channel Separation
V
CS (dB) = 20 log (V
Figure 45. Turn-Off Time
Figure 44. Turn-On Time
IN
AD8646/AD8647/AD8648
0
+
–
TIME (200ns/DIV)
TIME (200ns/DIV)
FREQUENCY (Hz)
3
2
V+
V+
V–
V–
10k
U1
SHUTDOWN PIN
OUT
AMPLIFIER OUTPUT
/100 = V
V
SHUTDOWN PIN
AMPLIFIER OUTPUT
IN
0
= 2V p-p
R3
2kΩ
IN
)
5
U2
20Ω
V
R1
IN
V–
V–
V+
V+
V
R
A
T
= 0.5V p-p
A
SY
L
V
= 25°C
6
7
= 1kΩ
= 1
= 5V
0
200Ω
R2
100k
0