AD8107ASTZ Datasheet AD8106ASTZ, AD8107ASTZ | P1-P3

260 MHz, 16 × 5 Buffered

Video Crosspoint Switches

Data Sheet

AD8106/AD8107

Rev. A Document Feedback

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FEATURES

16 × 5 high speed, nonblocking switch arrays

AD8106: G = 1

AD8107: G = 2

Pin compatible with AD8110/AD8111, 16 × 8 switch arrays

For a 16 × 16 array, see AD8114/AD8115

For a 16 x 8 array, see AD8110/AD8111

Complete solution

Buffered inputs

Five output amplifiers

Drives 150 Ω loads

Excellent video performance

60 MHz 0.1 dB gain flatness

0.02% differential gain error (R

= 150 Ω)

0.02° differential phase error (R

= 150 Ω)

Excellent ac performance

−3 dB bandwidth > 260 MHz

500 V/μs slew rate

Low power of 50 mA

Low all-hostile crosstalk of −78 dB at 5 MHz

Output disable allows connection of multiple device outputs

Reset pin allows disabling of all outputs

Excellent ESD rating: exceeds 4000 V human body model

80-lead LQFP (12 mm × 12 mm)

APPLICATIONS

Routing of high speed signals including:

Composite video (NTSC, PAL, S, SECAM)

Component video (YUV, RGB)

Compressed video (MPEG, Wavelet)

3-level digital video (HDB3)

FUNCTIONAL BLOCK DIAGRAM

AD8106/AD8107

OUTPUT

BUFFER

G = 1,

G = 2

25-BIT REGISTER

(RANK 1)

PARALLEL LATCH

(RANK 2)

DECODE

5 × 5:16 DECODERS

CLK

UPDATE

RESET

16 INPUTS

5 OUTPUTS

SET INDIVIDUAL

OR RESET ALL

OUTPUTS

TO OFF

D0 D1 D2 D3 D4

05774-001

ENABLE/DISABLE

SWITCH

MATRIX

Figure 1.

GENERAL DESCRIPTION

The AD8106 and AD8107 are high speed, 16 × 5 video crosspoint

switch matrices. They offer a −3 dB signal bandwidth greater

than 260 MHz, and channel switch times of less than 25 ns

with 1% settling. With −78 dB of crosstalk and

−97 dB isolation

(at 5 MHz), the AD8106/AD8107 are useful in many high speed

applications. The differential gain and differential phase of

greater than 0.02% and 0.02° respectively, along with 0.1 dB

flatness out to 60 MHz, make the AD8106/AD8107 ideal for

video signal switching.

The AD8106 and AD8107 include five independent output

buffers that can be placed into a high impedance state for parallel-

ing crosspoint outputs, preventing off channels from loading the

output bus. The AD8106 has a gain of 1, while the AD8107

offers a gain of 2. Both operate on voltage supplies of ±5 V while

consuming only 30 mA of idle current. The channel switching is

performed via a parallel control, allowing updating of an individual

output without reprogramming the entire array.

The AD8106/AD8107 are offered in an 80-lead LQFP and are

available over the extended industrial temperature range of

−40°C to +85°C.

AD8106/AD8107 Data Sheet

Rev. A | Page 2 of 22

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications ..................................................................................... 3

Timing Characteristics ................................................................ 5

Absolute Maximum Ratings ............................................................ 6

Maximum Power Dissipation ..................................................... 6

ESD Caution .................................................................................. 6

Pin Configuration and Function Descriptions ............................. 8

Input/Output Schematics ................................................................ 9

Typical Performance Characteristics ........................................... 10

Theory of Operation ...................................................................... 16

Power-On Reset .......................................................................... 16

Initialization ................................................................................ 16

Gain Selection ............................................................................. 16

Creating Larger Crosspoint Arrays .......................................... 16

Crosstalk ...................................................................................... 18

PCB Layout ................................................................................. 20

Outline Dimensions ....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY

5/16—Rev. 0 to Rev. A

Changes to Crosstalk, All Hostile Parameter and Off Isolation,

Input/Output Parameter .................................................................. 3

Changes to Areas of Crosstalk Section ........................................ 18

Deleted Evaluation Board Section and Figure 48;

Renumbered Sequentially .............................................................. 21

Moved Outline Dimensions and Ordering Guide ..................... 21

Updated Outline Dimensions ....................................................... 21

Changes to Ordering Guide .......................................................... 21

Deleted Figure 49 ............................................................................ 22

Deleted Figure 50 to Figure 52 ...................................................... 23

Deleted Figure 53 and Figure 54 ................................................... 24

Deleted Controlling the Evaluation Board from a PC

Section, Figure 55, and Data-Line Overshoot on Printer

Ports Section .................................................................................... 25

Deleted Figure 56 ............................................................................ 26

3/06—Revision 0: Initial Version

Data Sheet AD8106/AD8107

Rev. A | Page 3 of 22

SPECIFICATIONS

= ±5 V, T

= 25°C, R

= 1 kΩ, unless otherwise noted.

Table 1.

Parameter Test Conditions/Comments Min Typ Max Unit Reference

DYNAMIC PERFORMANCE

−3 dB Bandwidth 200 mV p-p, R

= 150 Ω 300/190 390/260 MHz Figure 10, Figure 16

2 V p-p, R

= 150 Ω 150 MHz Figure 10, Figure 16

Propagation Delay 2 V p-p, R

= 150 Ω 5 ns

Slew Rate 2 V step, R

= 150 Ω 500 V/µs

Settling Time 0.1%, 2 V step, R

= 150 Ω 40 ns Figure 15, Figure 21

Gain Flatness 0.05 dB, 200 mV p-p, R

= 150 Ω 60/40 MHz Figure 10, Figure 16

0.05 dB, 2 V p-p, R

= 150 Ω 65/40 MHz Figure 10, Figure 16

0.1 dB, 200 mV p-p, R

= 150 Ω 80/57 MHz Figure 10, Figure 16

0.1 dB, 2 V p-p, R

= 150 Ω 70/57 MHz Figure 10, Figure 16

NOISE/DISTORTION PERFORMANCE

Differential Gain Error NTSC or PAL, R

= 1 kΩ 0.01 %

NTSC or PAL, R

= 150 Ω 0.02 %

Differential Phase Error NTSC or PAL, R

= 1 kΩ 0.01 Degrees

NTSC or PAL, R

= 150 Ω 0.02 Degrees

Crosstalk, All Hostile f = 5 MHz −78/−85 dB Figure 11, Figure 17

f = 10 MHz −70/−80 dB Figure 11, Figure 17

Off Isolation, Input/Output f = 5 MHz, R

= 150 Ω, one channel −97/−103 dB Figure 26, Figure 32

Input Voltage Noise 0.01 MHz to 50 MHz 15 nV/√Hz Figure 23, Figure 29

DC PERFORMANCE

Gain Error R

= 1 kΩ 0.04/0.1 0.07/0.5 %

= 150 Ω 0.15/0.25 %

Gain Matching No load, channel-to-channel 0.02/1.0 %

= 1 kΩ, channel-to-channel 0.09/1.0 %

Gain Temperature Coefficient 0.5/8 ppm/°C

OUTPUT CHARACTERISTICS

Output Impedance DC, enabled 0.2 Ω Figure 27, Figure 33

Disabled 10/0.001 MΩ Figure 24, Figure 30

Output Disable Capacitance

Disabled

Output Leakage Current Disabled, AD8106 only 1/NA µA

Output Voltage Range No load ±2.5 ±3 V

Output Current 20 40 mA

Short-Circuit Current 65 mA

INPUT CHARACTERISTICS

Input Offset Voltage Worst case (all configurations) 5 20 mV Figure 38, Figure 44

Temperature coefficient 12 µV/°C Figure 39, Figure 45

Input Voltage Range ±2.5/±1.25 ±3/±1.5 V

Input Capacitance

Any switch configuration

2.5

Input Resistance 1 10 MΩ

Input Bias Current Per output selected 2 5 µA

SWITCHING CHARACTERISTICS

Enable On Time

Switching Time, 2 V Step

50%

UPDATE

to 1% settling

25 ns

Switching Transient (Glitch) Measured at output 20/30 mV p-p Figure 25, Figure 31

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P22

AD8107ASTZ

Mfr. #:

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Manufacturer:

Analog Devices Inc.

Description:

Analog & Digital Crosspoint ICs 260 MHz 16 x 5 Buffered

Lifecycle:

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AD8107ASTZ

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