AD8021AR Analog Devices Inc, AD8021AR Datasheet - Page 17

• Manufacturer Part Number: AD8021AR
• Description: IC OPAMP VF LN LP LDIST 8SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD8021AR

• Slew Rate: 460 V/µs
• Rohs Status: RoHS non-compliant
• Design Resources: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
• Amplifier Type: Voltage Feedback
• Number Of Circuits: 1
• -3db Bandwidth: 560MHz
• Current - Input Bias: 7.5µA
• Voltage - Input Offset: 400µV
• Current - Supply: 7.8mA
• Current - Output / Channel: 70mA
• Voltage - Supply, Single/dual (±): 4.5 V ~ 24 V, ±2.25 V ~ 12 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of Amplifiers: 1
• Bandwidth: 560MHz
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Peak Reflow Compatible (260 C): No
• Input Bias Current: 7500nA
• Output Type: -
• Gain Bandwidth Product: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TEST CIRCUITS
50Ω
50Ω
50Ω
50Ω CABLE
50Ω CABLE
55.6Ω
50Ω CABLE
Figure 49. Noninverting Gain and FET Probe
49.9Ω
499Ω
49.9Ω
50Ω
Figure 48. Noninverting Gain
49.9Ω
R
49.9Ω
R
IN
Figure 50. Inverting Gain
IN
499Ω
R
IN
Figure 51. CMRR
499Ω
AD8021
R
R
G
R
G
S
–V
R
ANALYZER
NETWORK
R
–V
S
HP8753D
S
G
S
–V
+V
+V
C
–V
S
C
C
R
C
S
C
499Ω
C
S
7pF
S
R
F
F
C
50Ω
+V
F
5
+V
5
S
5
C
S
C
C
R
PROBE
F
F
R
FET
R
5
O
O
R
R
D
D
49.9Ω
C
L
50Ω CABLE
50Ω CABLE
R
L
Rev. F | Page 17 of 28
1.0V
100Ω
49.9Ω
100Ω
4V
Figure 54. Input-to-Output Isolation, Chip Disabled
499Ω
49.9Ω
R
50Ω
AD8021
Figure 55. Output Impedance, Chip Disabled
Figure 52. Output Impedance, Chip Enabled
G
49.9Ω
49.9Ω
49.9Ω
–V
499Ω
–V
1
AD8021
S
S
8
499Ω
Figure 53. Enable/Disable
7pF
+V
C
7pF
C
R
C
499Ω
C
+V
S
F
8
ANALYZER
1
5
NETWORK
5
S
HP8753D
LOGIC REF
499Ω
DISABLE
–V
8
1
+V
S
LOGIC REF
499Ω
50Ω
DISABLE
–V
S
7pF
C
AD8021
S
C
AD8021
+V
C
7pF
5
50Ω
S
C
50Ω
5
ANALYZER
NETWORK
ANALYZER
HP8753D
NETWORK
FET
PROBE
HP8753D
50Ω CABLE
1kΩ
976Ω
AD8021
53.6Ω