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OPA628 pdf datasheet (Low Dist
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格式:rar |
大小:333 |
2008-12-18
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The OPA628 is a low distortion, wideband operational
amplifier. It features low differential gain error of
0.015% and low differential phase error of 0.015° at
NTSC and PAL frequencies with a 150W load (a backterminated
75W cable). The 0.1dB gain flatness to
30MHz, and the excellent differential gain and phase
make the OPA628 ideal for broadcast quality video
applications. In addition, the spurious free dynamic
range of 90dB makes the OPA628 an excellent choice
to buffer the input of precision Analog-to-Digital converters.
It can also be used to provide a buffer for the
output of precision high speed Digital-to-Analog converters.
The two-tone third-order intercept of the
OPA628 is 60dBm.
The OPA628 is a unity gain stable, voltage feedback
operational amplifier. It has all of the benefits associated
with voltage feedback amplifiers including
high input impedance, high common mode rejection,
and symmetrical differential input flexibility. The
unity gain bandwidth of the OPA628 is 160MHz. The
low noise of 2.5nV/ÖHz and low noise figure of 9dB
(RS = 50W) make the OPA628 very useful in precision
applications requiring wide dynamic range.
The superior distortion performance of the OPA628 is
achieved by its multistage architecture which provides
high open-loop gain. The distortion performance is additionally enhanced by separating the power supplies
to the input and output stages requiring four
power supply connections as shown in the block
diagram below. This separation of supplies eliminates
the effects of package and wire bond parasitic capacitance
and inductance. The OPA628 is powered with
±5VDC supplies for low power dissipation. The
OPA628 is available in 8-pin SOIC package. The
temperature range is –40°C to +85°C.
amplifier. It features low differential gain error of
0.015% and low differential phase error of 0.015° at
NTSC and PAL frequencies with a 150W load (a backterminated
75W cable). The 0.1dB gain flatness to
30MHz, and the excellent differential gain and phase
make the OPA628 ideal for broadcast quality video
applications. In addition, the spurious free dynamic
range of 90dB makes the OPA628 an excellent choice
to buffer the input of precision Analog-to-Digital converters.
It can also be used to provide a buffer for the
output of precision high speed Digital-to-Analog converters.
The two-tone third-order intercept of the
OPA628 is 60dBm.
The OPA628 is a unity gain stable, voltage feedback
operational amplifier. It has all of the benefits associated
with voltage feedback amplifiers including
high input impedance, high common mode rejection,
and symmetrical differential input flexibility. The
unity gain bandwidth of the OPA628 is 160MHz. The
low noise of 2.5nV/ÖHz and low noise figure of 9dB
(RS = 50W) make the OPA628 very useful in precision
applications requiring wide dynamic range.
The superior distortion performance of the OPA628 is
achieved by its multistage architecture which provides
high open-loop gain. The distortion performance is additionally enhanced by separating the power supplies
to the input and output stages requiring four
power supply connections as shown in the block
diagram below. This separation of supplies eliminates
the effects of package and wire bond parasitic capacitance
and inductance. The OPA628 is powered with
±5VDC supplies for low power dissipation. The
OPA628 is available in 8-pin SOIC package. The
temperature range is –40°C to +85°C.
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