AD8072JRZ-REEL Analog Devices Inc, AD8072JRZ-REEL Datasheet - Page 10
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AD8072JRZ-REEL
Manufacturer Part Number
AD8072JRZ-REEL
Description
IC VIDEO AMP DUAL 8-SOIC T/R
Manufacturer
Analog Devices Inc
Datasheet
1.AD8073JRZ.pdf
(12 pages)
Specifications of AD8072JRZ-REEL
Applications
Current Feedback
Number Of Circuits
2
-3db Bandwidth
100MHz
Slew Rate
500 V/µs
Current - Supply
3.5mA
Current - Output / Channel
30mA
Voltage - Supply, Single/dual (±)
5 V ~ 12 V, ±2.5 V ~ 6 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD8072JRZ-REEL7
Manufacturer:
NS
Quantity:
3 921
AD8072/AD8073
Crosstalk
Crosstalk between internal amplifiers may vary depending on
which amplifier is being driven and how many amplifiers are
being driven. This variation typically stems from pin location on
the package and the internal layout of the IC itself. Table I
illustrates the typical crosstalk results for a combination of
conditions.
CONDITIONS
V
R
A
V
S
F
V
OUT
= ± 5 V
= 1 kΩ, R
= 2
Amplifier
= 2 V p-p on Drive Amplifier
Drive
Table I. AD8073JR Crosstalk Table (dB)
L
= 150 Ω
AD8073JR
All Hostile
1
2
3
1
X
–60
–54
–53
Receive Amplifier
2
–60
X
–60
–55
3
–56
–60
X
–54
Layout Considerations
The specified high speed performance of the AD8072 and
AD8073 require careful attention to board layout and compo-
nent selection. Proper RF design techniques and low parasitic
component selection are mandatory.
The PCB should have a ground plane covering all unused portions
of the component side of the board to provide a low impedance
ground path. The ground plane should be removed from the
area near the input pins to reduce 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 within 1/8 inches of each power pin. An additional
large (4.7 µF–10 µF) tantalum electrolytic capacitor should be
connected in parallel, but not necessarily as close to the supply
pins, to provide current for fast large-signal changes at the
device’s output.
The feedback resistor should be located close to the inverting
input pin in order to keep the stray capacitance at this node to a
minimum. Capacitance variations of less than 1 pF at the invert-
ing input will affect high speed performance.
Stripline design techniques should be used for long signal traces
(greater than approximately 1 inch). These should be designed
with a characteristic impedance of 50 Ω or 75 Ω and be properly
terminated at each end.