AD8185ARUZREEL7 Analog Devices, AD8185ARUZREEL7 Datasheet

AD8185ARUZREEL7

Manufacturer Part Number

AD8185ARUZREEL7

Description

TSSOP

Manufacturer

Analog Devices

Datasheet

1.AD8185ARUZREEL7.pdf (16 pages)

Specifications of AD8185ARUZREEL7

Date_code

09+

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Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

*Patents pending.

PRODUCT DESCRIPTION

The AD8183 (G = +1) and AD8185 (G = +2) are high speed

triple 2:1 multiplexers. They offer –3 dB signal bandwidth up to

380 MHz, along with slew rate of 1000 V/ s. With better than

–90 dB of channel-to-channel crosstalk and isolation at 10 MHz,

they are useful in many high-speed applications. The differential

gain and differential phase errors of 0.01% and 0.02 respectively,

along with 0.1 dB flatness to 90 MHz make the AD8183 and

AD8185 ideal for professional video and RGB multiplexing. They

offer 15 ns channel-to-channel switching time, making them

an excellent choice for switching video signals, while consuming

less than 25 mA on 5 V supply voltages.

Both devices offer a high speed disable feature that can set the

output into a high impedance state. This allows the building of

larger input arrays while minimizing “OFF” channel output

loading. They operate on voltage supplies of 5 V and are offered

in a 24-lead TSSOP package.

FEATURES

Fully Buffered Inputs and Outputs

Fast Channel-to-Channel Switching: 15 ns

High Speed

Low Power: 25 mA

Excellent Video Specifications (R

Low All-Hostile Crosstalk –84 dB @ 5 MHz

Low Channel-to-Channel Crosstalk –56 dB @ 100 MHz

High “OFF” Isolation of –100 dB @ 10 MHz

Low Cost

Fast High Impedance Output Disable Feature for

APPLICATIONS

Pixel Switching for “Picture-In-Picture”

Switching RGB in LCD and Plasma Displays

RGB Video Switchers and Routers

380 MHz Bandwidth (–3 dB) 200 mV p-p

310 MHz Bandwidth (–3 dB) 2 V p-p

Fast Settling Time of 15 ns to 0.1%

Gain Flatness of 0.1 dB to 90 MHz

0.01% Differential Gain Error

0.02 Differential Phase Error

1000 V/ s Slew Rate G = +1, 2 V Step

1150 V/ s Slew Rate G = +2, 2 V Step

Connecting Multiple Devices

–54 dB @ 50 MHz

= 150

)

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

Figure 1. AD8185 Pulse Response; R

DGND

IN0A

IN1A

IN2A

IN2B

IN1B

IN0B

GND

SEL A/B

FUNCTIONAL BLOCK DIAGRAM

1.4V

1.2V

1.0V

0.8V

0.6V

0.4V

0.2V

0.0V

Triple 2:1 Multiplexers

World Wide Web Site: http://www.analog.com

Table I. Truth Table

= 150

= 1.4V STEP

200mV

AD8183/AD8185*

AD8183/AD8185

SELECT

380 MHz, 25 mA,

DISABLE

2ns

OUT

INA

INB

High Z

OUT1

SEL A/B

OUT0

OUT2

DVCC

= 150

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