Datasheet > AD8115_15

AD8115_15

更新时间： 2024-11-21 01:17:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
33页	1936K
描述
Low Cost 225 MHz

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中文翻译

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数据手册

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AD8115_15 数据手册

Low Cost 225 MHz

16 × 16 Crosspoint Switches

AD8114/AD8115

FUNCTIONAL BLOCK DIAGRAM

FEATURES

16 × 16 high speed nonblocking switch arrays

AD8114; G = 1

SER/PAR D0 D1 D2 D3 D4

AD8115; G = 2

Serial or parallel programming of switch array

Serial data out allows daisy-chaining of multiple

16 × 16 arrays to create larger switch arrays

High impedance output disable allows connection of

multiple devices without loading the output bus

For smaller arrays see the AD8108/AD8109 (8 × 8) or

AD8110/AD8111 (16× 8) switch arrays

Complete solution

CLK

80-BIT SHIFT REGISTER

WITH 5-BIT

PARALLEL LOADING

DATA

OUT

DATA IN

UPDATE

SET

INDIVIDUAL

OR RESET

ALL OUTPUTS

TO "OFF"

PARALLEL LATCH

RESET

DECODE

16 × 5:16 DECODERS

Buffered inputs

OUTPUT

AD8114/AD8115

BUFFER

G = +1,

G = +2

256

Programmable high impedance outputs

16 output amplifiers, AD8114 (G = 1), AD8115 (G = 2)

Drives 150 Ω loads

Excellent video performance

25 MHz, 0.1 dB gain flatness

0.05%/0.05° differential gain/differential phase error

(R_L= 150 Ω)

SWITCH

MATRIX

16 INPUTS

OUTPUTS

Excellent ac performance

−3 dB bandwidth: 225 MHz

Slew rate: 375 V/µs

Low power of 700 mW (2.75 mW per point)

Low all hostile crosstalk of −70 dB @ 5 MHz

Reset pin allows disabling of all outputs (connected through

a capacitor to ground provides power-on reset capability)

100-lead LQFP (14 mm × 14 mm)

Figure 1.

flatness out to 25 MHz while driving a 75 Ω back-terminated

load, make the AD8114/AD8115 ideal for all types of signal

switching.

APPLICATIONS

Routing of high speed signals including

Video (NTSC, PAL, S, SECAM, YUV, RGB)

Compressed video (MPEG, wavelet)

3-level digital video (HDB3)

Datacomms

The AD8114/AD8115 include 16 independent output buffers

that can be placed into a high impedance state for paralleling

crosspoint outputs so that off channels do not load the output

bus. The AD8114 has a gain of 1, while the AD8115 offers a

gain of 2. They operate on voltage supplies of 5 ꢀ while

consuming only 70 mA of idle current. The channel switching is

performed via a serial digital control (which can accommodate

daisy-chaining of several devices) or via a parallel control,

allowing updating of an individual output without

Telecomms

GENERAL DESCRIPTION

The AD8114/AD8115¹are high speed 16 × 16 video crosspoint

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

than 200 MHz and channel switch times of less than 50 ns

with 1% settling. With −70 dB of crosstalk and −90 dB isolation

(@ 5 MHz), the AD8114/AD8115 are useful in many high speed

applications. The differential gain and differential phase of better

than 0.05% and 0.05°, respectively, along with 0.1 dB

¹Patent pending.

reprogramming the entire array.

The AD8114/AD8115 is packaged in 100-lead LQFP package

and is available over the extended industrial temperature range

of −40°C to +85°C.

Rev. B

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 that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD8115_15相关器件

型号	品牌	获取价格	描述	数据表
AD8115AST	ADI	获取价格	Low Cost 225 MHz 16 X 16 Crosspoint Switches
AD8115ASTZ	ADI	获取价格	暂无描述
AD8115ASTZ2	ADI	获取价格	Low Cost 225 MHz 16 Ã 16 Crosspoint Switches
AD8115-EB	ADI	获取价格	Low Cost 225 MHz 16 X 16 Crosspoint Switches
AD8115-EVAL	ADI	获取价格	Low Cost 225 MHz 16 Ã 16 Crosspoint Switches
AD8116	ADI	获取价格	200 MHz, 16 x 16 Buffered Video Crosspoint Switch
AD8116-EB	ADI	获取价格	200 MHz, 16 x 16 Buffered Video Crosspoint Switch
AD8116JST	ADI	获取价格	200 MHz, 16 x 16 Buffered Video Crosspoint Switch
AD8116JSTZ	ADI	获取价格	200 MHz, 16 16 Buffered Video Crosspoint Switch
AD8117	ADI	获取价格	Video Crosspoint Switch Video Crosspoint Switch

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