ADA4891-2ARMZ Analog Devices Inc, ADA4891-2ARMZ Datasheet - Page 7

• Manufacturer Part Number: ADA4891-2ARMZ
• Description: IC OPAMP GP R-R CMOS DUAL 8MSOP
• Manufacturer: Analog Devices Inc

Specifications of ADA4891-2ARMZ

• Slew Rate: 210 V/µs
• Amplifier Type: General Purpose
• Number Of Circuits: 2
• Output Type: Rail-to-Rail
• -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-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Op Amp Type: High Speed
• No. Of Amplifiers: 2
• Bandwidth: 240MHz
• Supply Voltage Range: 2.7V To 5.5V
• Amplifier Case Style: SO
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Gain Bandwidth Product: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

–10
–10
–0.1
–0.2
–0.3
–0.4
–0.5
–1
–2
–3
–4
–5
–6
–7
–8
–9
Figure 13. Large Signal Frequency Response vs. Gain, V
Figure 14. Large Signal Frequency Response vs. Gain, V
–1
–2
–3
–4
–5
–6
–7
–8
–9
0.1
4
3
2
1
0
1
0
0.1
0.1
0
0.1
V
R
R
V
R
V
S
V
G = +2
V
R
F
L
S
OUT
L
S
OUT
L
= 3V
= 604Ω
= 150Ω
= +5V
= 150Ω
= 3V
= 150Ω
Figure 12. 0.1 dB Gain Flatness vs. R
= 2V p-p
= 2V p-p
1
1
V
OUT
FREQUENCY (MHz)
1
FREQUENCY (MHz)
R
V
FREQUENCY (MHz)
F
G = +2
OUT
G = +2
V
= 604Ω
= 2V p-p
OUT
G = +5
R
= 2V p-p
F
G = –1
G = +5
= 604Ω
10
= 2V p-p
10
R
R
F
F
R
= 549Ω
= 649Ω
F
= 604Ω
10
V
F
, V
100
OUT
100
S
R
G = +1
G = +1
= 3 V
F
= 1V p-p
R
= 0Ω
F
R
G = –1
F
= 604Ω
= 698Ω
S
S
= 5 V
= 3 V
1000
100
1k
Rev. A | Page 7 of 20
Figure 15. Harmonic Distortion (HD2, HD3) vs. Frequency, V
Figure 16. Harmonic Distortion (HD2, HD3) vs. Frequency, V
–100
–110
–120
–100
–110
–120
–
–50
–60
–70
–80
–90
–
–50
–60
–70
–80
–90
–
–40
–50
–60
–70
–80
–90
40
40
30
Figure 17. Harmonic Distortion vs. Output Voltage, V
0.1
0.1
0
V
R
R
f
V
R
V
V
R
V
SECOND HARMONIC
C
S
OUT
S
L
F
L
S
L
OUT
= 1MHz
= 5V
= 1kΩ
= 5V
= 604Ω
= 1kΩ
= 3V
= 1kΩ
0.5
= 2V p-p
= 2V p-p
THIRD HARMONIC
G = +2
1.0
SECOND HARMONIC
THIRD HARMONIC
SECOND HARMONIC
G = +2
THIRD HARMONIC
1.5
SECOND HARMONIC
G = +1
OUTPUT VOLTAGE (V p-p)
G = +1
G = –1
FREQUENCY (MHz)
FREQUENCY (MHz)
G = +1
ADA4891-1/ADA4891-2
2.0
G = +1
2.5
1
1
IN
50Ω
G = +1 CONFIGURATION
SECOND HARMONIC
3.0
THIRD HARMONIC
THIRD HARMONIC
THIRD HARMONIC
SECOND HARMONIC
–V
+V
3.5
S
G = +2
G = +1
S
= –1V
G = +2
G = –1
= 2V
G = +1
4.0
1kΩ
4.5
S
= 5 V
OUT
S
S
= 5 V
= 3 V
5.0
10
10