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LMH6586VS/NOPB
32x16 Video Crosspoint Switch
LMH6586
www.ti.com SNCS105D –JULY 2008–REVISED MARCH 2013
LMH6586 32x16 Video Crosspoint Switch
Checkfor Samples: LMH6586
1FEATURES
DESCRIPTION 32 Inputs and16 Outputs The LMH6586 is a non-blocking analog video
• AC-Coupled Inputs with Integrated DC Restore crosspoint switch designed for routing standard
Clamp NTSC or PAL composite video signals. The non-
Individually Addressable Outputs blocking architecture allows anyof the32 inputstobe
connectedto anyof the 16 outputs, including any
• Pin-Selectable Output Buffer Gain(1 V/Vor2 input thatis already connected. Each input has an
V/V) integrated DC restore clamp for biasingof the AC-
• –3 dB Bandwidth=66 MHz coupled video signal. The output buffers havea
DG= 0.05%, DP= 0.05°@ RL= 150Ω, AV= 2V/V common selectable gain settingof 1Xor 2X and can
drive loadsof 150Ω.
• −70 dB Off-Isolation@6 MHz Individual Input and Output Shutdown Modes The LMH6586 features two types of input signal
detection for convenient monitoringof activity on any
• Device Power Down Mode input channel. Video detection can be configuredto
• Video Detection with Programmable Threshold indicate when either “presenceof video”or “lossof
(8 Levels) video”is detected across the video threshold level
Sync Detection with Pin-Configurable controlled bya programmable register. Additionally,
sync detection can be configuredto indicate when
Threshold“lossof sync”is detected across the sync threshold
• 100 kHzI2C Interface with 2-Bit Configurable level controlledbya DC voltage input.
Slave AddressThe switch configuration and other parameters are
• Single 5V Supply Operation programmable via theI2C bus interface. The slave
• Extra Video Output (VOUT_16) for External device addressis configurable via two external pins
Video Sync Separator allowing upto four LMH6586 devices, each witha
unique address, ona commonI2C bus. This helps
APPLICATIONS facilitate expansionof the crosspoint matrix array size
(e.g. 64x 16). The LMH6586 operates froma
• CCTV Security and Surveillance Systems common single 5V supply for its analog sections as
• Analog Video Routing well as its control logic andI2C interface. The
LMH6586is offeredina space-saving 80-pin TQFP.
