AD8099ARDZ Analog Devices Inc, AD8099ARDZ Datasheet - Page 16

• Manufacturer Part Number: AD8099ARDZ
• Description: IC OPAMP VF ULN ULDIST 8SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD8099ARDZ

• Slew Rate: 1350 V/µs
• Amplifier Type: Voltage Feedback
• Number Of Circuits: 1
• -3db Bandwidth: 510MHz
• Current - Input Bias: 6µA
• Voltage - Input Offset: 100µV
• Current - Supply: 15mA
• Current - Output / Channel: 178mA
• Voltage - Supply, Single/dual (±): 5 V ~ 12 V, ±2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width) Exposed Pad, 8-eSOIC. 8-HSOIC
• Op Amp Type: High Speed
• No. Of Amplifiers: 1
• Bandwidth: 3.8GHz
• Supply Voltage Range: 5V To 12V
• Amplifier Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• Gain Bandwidth Product: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD8099
APPLICATIONS
USING THE AD8099
The AD8099 offers unrivaled noise and distortion performance
in low signal gain configurations. In low gain configurations
(less than15), the AD8099 requires external compensation. The
amount of gain and performance needed will determine the
compensation network.
Understanding the subtleties of the AD8099 gives the user
insight on how to exact its peak performance. Use the
component values and circuit configurations shown in the
Applications section as starting points for designs. Specific
circuit applications will dictate the final configuration and value
of your components.
CIRCUIT COMPONENTS
The circuit components are referenced in Figure 59, the
recommended noninverting circuit schematic for the AD8099.
See Table 4 for typical component values and performance data.
R
determine the noise gain of the amplifier; typical R
range from 250 Ω to 499 Ω.
F
and R
V
Figure 59. Wideband Noninverting Gain Configuration (SOIC)
IN
G
—The feedback resistor and the gain set resistor
R1
DISABLE
R
R
G
S
C
2
3
R
0.1µF
F
AD8099
10µF
F
C5
C4
8
1
4
+V
7
–V
S
5
S
0.1µF
R
10µF
C
C2
C3
C
6
C
C1
V
F
OUT
values
Rev. B | Page 16 of 28
C
created by the input capacitance (including stray capacitance)
and the feedback resistor R
peaking and ringing in the closed-loop response. Typical range
is 0.5 pF to 1.5 pF for evaluation circuits used here.
R1
source resistance of the signal source, typically 50 Ω. (This is
application specific and not always required.)
R
require that the input stage be terminated into a nominal
impedance to maintain stability. The value of R
to 50 Ω or lower to maintain low noise performance. At higher
gains, R
0 Ω to 50 Ω.
C
at higher frequencies where the phase is degrading. By decreas-
ing the open-loop gain here, the phase margin is increased and
the amplifier is stabilized. Typical range is 0 pF to 5 pF. The
value of C
R
pensation capacitance (C
dampens this resonance and prevents oscillations. The
recommended value of R
This resistor introduces a zero in the open-loop response and
must be kept low so that this zero occurs at a higher frequency.
The purpose of the compensation network is to decrease the
open-loop gain. If the resistance becomes too large, the gain will
be reduced to the resistor value, and not necessarily to 0 Ω,
which is what a single capacitor would do over frequency.
Typical value range is 0 Ω to 50 Ω.
C1
R
closed-loop gains. The typical value range is 0 pF to 2 pF.
C2 and C3
supplies for optimum distortion and PSRR performance. These
capacitors should be placed as close as possible to the supply
pins of the amplifier. For
used. The 0508 case size offers reduced inductance and better
frequency response.
C4 and C2
F
S
C
C
C
—Creates a zero in the loop response to compensate the pole
—Many high speed amplifiers in low gain configurations
—
—The compensation capacitor decreases the open-loop gain
. C1 is not required, but greatly reduces peaking at low
—This resistor terminates the input of the amplifier to the
—To lower the impedance of R
The series lead inductance of the package and the com-
S
may be reduced or even eliminated. Typical range is
C
—Bypass capacitors are connected between both
—Electrolytic bypass capacitors.
is gain dependent.
C
C
C3, C5,
) forms a series resonant circuit. R
is 50 Ω for a closed-loop gain of 2.
F
. C
F
helps reduce high frequency
a 0508 case size should be
C
, C1 is placed in parallel with
S
should be kept
C