ADA4891-2ARZ Analog Devices Inc, ADA4891-2ARZ Datasheet - Page 9

• Manufacturer Part Number: ADA4891-2ARZ
• Description: Lw Cst CMOS Hgh Spd RR Amp
• Manufacturer: Analog Devices Inc

Specifications of ADA4891-2ARZ

• Amplifier Type: General Purpose
• Number Of Circuits: 2
• Output Type: Rail-to-Rail
• Slew Rate: 210 V/µs
• -3db Bandwidth: 240MHz
• Current - Input Bias: 2pA
• Voltage - Input Offset: 2500µV
• Current - Supply: 4.4mA
• Current - Output / Channel: 150mA
• Voltage - Supply, Single/dual (±): 2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Gain Bandwidth Product: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–100
0.01
100
100
0.1
10
1
0
1
1
Figure 24. Closed-Loop Output Impedance vs. Frequency
0
0.01
V
G = +1
0.5V/DIV
50mV/DIV
S
R
Figure 25. Small Signal Step Response, G = +1
V
Figure 26. Large Signal Step Response, G = +2
= 5V
L
S
= 1kΩ
= 5V
0.1
R
V
L
V
S
= 150Ω
V
S
= 3V
FREQUENCY (MHz)
S
= 5V
= 3V
1
R
V
L
S
= 1kΩ
= 3V
10
R
G = 1
V
R
V
L
OUT
L
S
= 150Ω
= 1kΩ
G = +2
V
R
= 5V
OUT
F
= 200mV p-p
= 604Ω
10ns/DIV
= 2V p-p
5ns/DIV
100
Rev. A | Page 9 of 20
–0.10
–0.20
–0.30
–0.5
0.30
0.20
0.10
0.5
–1
1
0
0
0
0
0.5V/DIV
0.5V/DIV
Figure 27. Large Signal Step Response, V
Figure 28. Large Signal Step Response, V
Figure 29. Short-Term Settling Time to 0.1%
R
L
0.10%/DIV
R
= 1kΩ
L
25
= 1kΩ
R
V
G = +2
R
R
V
R
L
S
OUT
F
L
L
= 150Ω
= +5V
= 604Ω
= 150Ω
= 150Ω
ADA4891-1/ADA4891-2
= 2V p-p
30
35
5ns/DIV
S
S
V
G = +1
V
V
G = +1
V
= 5 V
= 3 V
S
OUT
S
OUT
40
= 5V
= 3V
5ns/DIV
5ns/DIV
= 2V p-p
= 1V p-p
45