800 MHz, 2:1 Analog Multiplexers
Excellent ac performance
−3 dB bandwidth
800 MHz (200 mV p-p)
730 MHz (2 V p-p)
Slew rate: 2800 V/μs
Low power: 75 mW, VS = ±5 V
Excellent video performance
>100 MHz, 0.1 dB gain flatness
0.02% differential gain/0.02° differential phase error
(RL = 150 Ω)
Gain = +1 (ADV3219) or gain = +2 (ADV3220)
Low crosstalk of −82 dB at 5 MHz and −60 dB at 100 MHz
High impedance output disable allows connection of
multiple devices without loading the output bus
Routing of high speed signals including
Video (NTSC, PAL, S, SECAM, YUV, and RGB)
Compressed video (MPEG, wavelet)
3-level digital video (HDB3)
The ADV3219 and ADV3220 are high speed, high slew rate,
buffered, 2:1 analog multiplexers. They offer a −3 dB signal
bandwidth greater than 800 MHz and channel switch times of
less than 20 ns with 1% settling. With −82 dB of crosstalk and
−88 dB isolation (at 5 MHz), the ADV3219 and ADV3220 are
useful in many high speed applications. The differential gain of
less than 0.02% and the differential phase of less than 0.02°,
together with 0.1 dB flatness beyond 100 MHz while driving a
75 Ω back terminated load, make the ADV3219 and ADV3220
ideal for all types of signal switching.
FUNCTIONAL BLOCK DIAGRAM
G = +1
(G = +2)
The ADV3219/ADV3220 include an output buffer that can be
placed into a high impedance state to allow multiple outputs to
be connected together for cascading stages without the off channels
loading the output bus. The ADV3219 has a gain of +1, and the
ADV3220 has a gain of +2; they both operate on ±5 V supplies
while consuming less than 7.5 mA of idle current.
The ADV3219/ADV3220 are available in the 8-lead LFCSP
package over the extended industrial temperature range of
−40°C to +85°C.
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