AD8022ARZ Analog Devices Inc, AD8022ARZ Datasheet - Page 15

• Manufacturer Part Number: AD8022ARZ
• Description: IC OPAMP VF DUAL LN LP 8SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD8022ARZ

• Slew Rate: 50 V/µs
• Design Resources: AD7266 SAR ADC in DC-Coupled Differential and Single-Ended Appls (CN0039) AD7265 in Differential and Single-Ended Configurations Using AD8022 (CN0048)
• Amplifier Type: Voltage Feedback
• Number Of Circuits: 2
• -3db Bandwidth: 130MHz
• Current - Input Bias: 2.5µA
• Voltage - Input Offset: 1500µV
• Current - Supply: 4mA
• Current - Output / Channel: 55mA
• Voltage - Supply, Single/dual (±): 4.5 V ~ 26 V, ±2.25 V ~ 13 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Op Amp Type: High Speed
• No. Of Amplifiers: 1
• Bandwidth: 130MHz
• Supply Voltage Range: ± 4.5V To ± 13V
• Amplifier Case Style: SOIC
• No. Of Pins: 8
• Common Mode Rejection Ratio: 98
• Current, Input Bias: 2.5 μA
• Current, Input Offset: ±120 nA
• Current, Output: ±55 mA
• Current, Supply: 4 mA
• Harmonic Distortion: -100 dBc
• Impedance, Thermal: 160 °C/W
• Number Of Amplifiers: Dual
• Package Type: SOIC-8
• Power Dissipation: 1.2 W
• Resistance, Input: 20 Kilohms (Differential)
• Temperature, Operating, Range: -40 to +85 °C
• Voltage, Input: -11.25 to +11.75 V (Common-Mode)
• Voltage, Noise: 2.5 nV/sqrt Hz
• Voltage, Offset: -1.5 μV
• Voltage, Output, High: +10.1 V
• Voltage, Output, Low: -10.1 V
• Voltage, Supply: ±12 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• Gain Bandwidth Product: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

COMMON-
VOLTAGE
MODE
–12.5
–17.5
–22.5
–27.5
–32.5
–37.5
–42.5
–2.5
–7.5
+V
–V
7.5
2.5
IN
IN
10k
Figure 42. Frequency Response of Sallen-Key Filter
191Ω
191Ω
1%
1%
Figure 41. Differential Input Sallen-Key Filter
0.1μF
SIGNAL C
10%
X7R
16V
Using AD8022 on Single Supply, +12 V
243Ω
243Ω
M
8200pF
8200pF
1%
1%
LEVEL
10%
10%
100k
FREQUENCY (Hz)
0.1μF
422Ω
NPO
50V
1%
5%
5% NPO
5% NPO
6800pF
6800pF
3
2
6
5
12V
8
4
249Ω
249Ω
1%
1%
AD8022
AD8022
1M
1
7
+V
–V
10M
Rev. B | Page 15 of 16
OUT
OUT
LAYOUT CONSIDERATIONS
As is the case with all high speed amplifiers, careful attention to
printed circuit board layout details prevent associated board
parasitics from becoming problematic. Proper RF design
technique is mandatory. The PCB should have a ground plane
covering all unused portions of the component side of the
board to provide a low impedance return path. Removing the
ground plane from the area near the input signal lines reduces
stray capacitance. Chip capacitors should be used for supply
bypassing. One end of the capacitor should be connected to the
ground plane, and the other should be connected no more than
1/8 inch away from each supply pin. An additional large
(0.47 μF to 10 μF) tantalum capacitor should be connected in
parallel, although not necessarily as close, in order to supply
current for fast, large signal changes at the AD8022 output.
Signal lines connecting the feedback and gain resistors should
be as short as possible, minimizing the inductance and stray
capacitance associated with these traces. Locate termination
resistors and loads as close as possible to the input(s) and
output, respectively. Adhere to stripline design techniques for
long signal traces (greater than about 1 inch). Following these
generic guidelines improves the performance of the AD8022 in
all applications.
AD8022