PDF AD8177 Data sheet ( Hoja de datos )

Número de pieza	AD8177
Descripción	Triple 16 x 5 Video Crosspoint Switch
Fabricantes	Analog Devices
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FEATURES High channel count, triple 16 × 5 high speed, nonblocking switch array Pin compatible with AD8175/AD8176 (16 × 9 switch arrays) and AD8178 (16 × 5 switch array) Differential or single-ended operation Supports sync-on common-mode and sync-on color operating modes Decoded HV sync outputs available G = +2 operation (differential input to differential output) Flexible power supplies: +5 V or ±2.5 V Logic ground for convenient control interface Serial or parallel programming of switch array High impedance output disable allows connection of multiple devices with minimal loading on output bus Adjustable output CM and black level through external pins Excellent ac performance (to support 1600 × 1200 @ 85 Hz) Bandwidth: 500 MHz Slew rate: 1800 V/μs Settling time: 4 ns to 1% Low power of 2.3 W Low all-hostile crosstalk −88 dB @ 5 MHz −46 dB @ 500 MHz Wide input common-mode range of 4 V Reset pin allows disabling of all outputs Fully populated 26 × 26 ball PBGA package (27 mm × 27 mm, 1 mm ball pitch) Convenient grouping of RGB signals for easy routing APPLICATIONS RGB video switching KVM Professional video GENERAL DESCRIPTION The AD8177 is a high speed, triple 16 × 5 video crosspoint switch matrix. It supports 1600 × 1200 RGB displays @ 85 Hz refresh rate by offering a 500 MHz bandwidth and a slew rate of 1800 V/μs. With −88 dB of crosstalk and −94 dB isolation (@ 5 MHz), the AD8177 is useful in many high speed video applications. The AD8177 supports two modes of operation: differential-in to differential-out mode with sync-on CM signaling passed through the switch and differential-in to differential-out mode Rev. 0 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. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 500 MHz, Triple 16 × 5 Video Crosspoint Switch AD8177 FUNCTIONAL BLOCK DIAGRAM D0 D1 D2 D3 D4 VPOS VNEG VDD DGND AD8177 SERIN SER/PAR WE CLK CS UPDATE RST CMENC 45-BIT SHIFT 1 REGISTER WITH 5-BIT PARALLEL 0 LOADING 25 20 NO CONNECT PARALLEL LATCH 25 DECODE 5 × 5:16 DECODERS 5 A0 A1 A2 CLR SEROUT INPUT RECEIVER G = +1 R2 G2 B2 80 OUTPUT BUFFER G = +1 2 2 2 SWITCH MATRIX G = +2 R G B H V R2 G2 B2 2R 2G 2B H V VBLK VOCM_CMENCON Figure 1. VOCM_CMENCOFF with CM signaling removed through the switch. The output CM and black level can be conveniently set via external pins. The independent output buffers of the AD8177 can be placed into a high impedance state to create larger arrays by paralleling crosspoint outputs. Inputs can be paralleled as well. The AD8177 offers both serial and parallel programming modes. The AD8177 is packaged in a fully populated 26 × 26 ball PBGA package and is available over the extended industrial temperature range of −40°C to +85°C. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. 1 page TIMING CHARACTERISTICS (SERIAL MODE) Table 2. Parameter Serial Data Setup Time CLK Pulse Width Serial Data Hold Time CLK Pulse Separation CLK to UPDATE Delay UPDATE Pulse Width CLK to SEROUT Valid Propagation Delay, UPDATE to Switch On Data Load Time, CLK = 5 MHz, Serial Mode RST Time Symbol t1 t2 t3 t4 t5 t6 t7 Limit Min Typ Max 40 60 50 140 10 90 120 80 9 140 200 1 CLK 0 1 SERIN 0 1 = LATCHED UPDATE 0 = TRANSPARENT 1 SEROUT 0 t2 t1 t3 OUT4 (D4) t7 Table 3. Logic Levels, VDD = 3.3 V VIH VIL VOH SER/PAR, CLK, SER/PAR, CLK, SEROUT SERIN, UPDATE SERIN, UPDATE 2.0 V min 0.6 V max 2.8 V min t4 LOAD DATA INTO SERIAL REGISTER ON FALLING EDGE OUT4 (D3) OUT0 (D0) t5 TRANSFER DATA FROM SERIAL REGISTER TO PARALLEL LATCHES DURING LOW LEVEL t6 Figure 2. Timing Diagram, Serial Mode VOL SEROUT 0.4 V max IIH SER/PAR, CLK, SERIN, UPDATE 20 μA max IIL SER/PAR, CLK, SERIN, UPDATE –20 μA max IOH SEROUT –1 mA min AD8177 Unit ns ns ns ns ns ns ns ns μs ns IOL SEROUT 1 mA min Table 4. H and V Logic Levels, VDD = 3.3 V VOH VOL 2.7 V min 0.5 V max IOH –3 mA max IOL 3 mA max Table 5. RST Logic Levels, VDD = 3.3 V VIH VIL 2.0 V min 0.6 V max Table 6. CS Logic Levels, VDD = 3.3 V VOH VOL 2.0 V min 0.6 V max IIH −60 μA max IIH 100 μA max IIL −120 μA max IOL 40 μA max Rev. 0 \| Page 5 of 40 5 Page AD8177 Ball No. D25 D26 E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 Mnemonic VNEG VNEG INB13 IPB13 ING13 VPOS VPOS DGND VDD CLR A0 A1 A2 SER/PAR SERIN CLK CS SEROUT VDD DGND VPOS VPOS VPOS VPOS VPOS VNEG VNEG VNEG VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS Description Negative Analog Power Supply. Negative Analog Power Supply. Input Number 13, Negative Phase. Input Number 13, Positive Phase. Input Number 13, Negative Phase. Positive Analog Power Supply. Positive Analog Power Supply. Digital Power Supply. Digital Power Supply. Internal Register Clearing Control Pin 0, Output Address Bit 0. Control Pin 1, Output Address Bit 1. Control Pin 2, Output Address Bit 2. Control Pin: Serial Parallel Select Mode. Control Pin: Serial Data In. Control Pin: Serial Data Clock. Control Pin: Chip Select. Control Pin: Serial Data Out. Digital Power Supply. Digital Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Ball No. F25 F26 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 H1 H2 H3 H4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23 H24 Mnemonic VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS VPOS V3 ONG3 OPB3 ONB3 IPR14 INR14 IPG14 VPOS VPOS VPOS VPOS VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VNEG VPOS VPOS H3 OPG3 Description Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Output Number 3, V Sync. Output Number 3, Negative Phase. Output Number 3, Positive Phase. Output Number 3, Negative Phase. Input Number 14, Positive Phase. Input Number 14, Negative Phase. Input Number 14, Positive Phase. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Negative Analog Power Supply. Positive Analog Power Supply. Positive Analog Power Supply. Output Number 3, H Sync. Output Number 3, Positive Phase. Rev. 0 \| Page 11 of 40 11 Page

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