ADA4891-3 Analog Devices, ADA4891-3 Datasheet - Page 12

• Manufacturer Part Number: ADA4891-3
• Description: Low Cost CMOS, High Speed, Rail-to-Rail Amplifier (Triple)
• Manufacturer: Analog Devices

Specifications of ADA4891-3

• -3db Bandwidth: 220MHz
• Slew Rate: 170V/µs
• Vos: 2.5mV
• Ib: 2pA
• # Opamps Per Pkg: 3
• Input Noise (nv/rthz): 9nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 4.4mA
• Packages: Mini-SO,SOP

ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
–0.10
–0.20
–0.30
0.30
0.20
0.10
–1
–1
–2
–3
0
3
2
1
0
3
2
1
0
Figure 39. Output Overdrive Recovery from Positive Rail
Figure 38. Input Overdrive Recovery from Positive Rail
0
INPUT
OUTPUT
OUTPUT
1V/DIV
Figure 37. Short-Term Settling Time to 0.1%
1V/DIV
25
V
G = +2
R
V
S
L
OUT
= 5V
= 150Ω
= 2V p-p
INPUT
30
TIME (ns)
35
5ns/DIV
40
V
G = –2
R
V
G = +1
R
S
L
S
L
= ±2.5V
= 1kΩ
5ns/DIV
= ±2.5V
= 1kΩ
45
Rev. C | Page 12 of 24
200
190
180
170
160
150
140
–1
–2
–3
–1
–2
–3
1.0
Figure 42. Output Overdrive Recovery from Negative Rail
1
0
3
2
1
0
Figure 41. Input Overdrive Recovery from Negative Rail
V
G = +2
R
V
G = +1
R
OUTPUT
INPUT
S
1V/DIV
L
S
L
= 5V
= 150Ω
= ±2.5V
= 1kΩ
1.5
1V/DIV
Figure 40. Slew Rate vs. Output Step
2.0
2.5
OUTPUT STEP (V)
OUTPUT
INPUT
FALLING EDGE
RISING EDGE
3.0
3.5
4.0
5ns/DIV
V
G = –2
R
4.5
S
L
5ns/DIV
= ±2.5V
= 1kΩ
5.0