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MAX9546 Dataheets PDF



Part Number MAX9546
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description Differential Video Interface Chipset
Datasheet MAX9546 DatasheetMAX9546 Datasheet (PDF)

www.DataSheet4U.com 19-3873; Rev 2; 7/07 Differential Video Interface Chipset General Description The MAX9546/MAX9547 differential interface chipset converts single-ended voltages to differential voltages for transport and then converts back to single-ended voltages. These devices eliminate costly, bulky, singleended coaxial cables with inexpensive, readily available, differential shielded (ScTP) or unshielded (UTP) twisted pairs. The fault detection of the MAX9546 and loss-of-signal detection .

  MAX9546   MAX9546


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www.DataSheet4U.com 19-3873; Rev 2; 7/07 Differential Video Interface Chipset General Description The MAX9546/MAX9547 differential interface chipset converts single-ended voltages to differential voltages for transport and then converts back to single-ended voltages. These devices eliminate costly, bulky, singleended coaxial cables with inexpensive, readily available, differential shielded (ScTP) or unshielded (UTP) twisted pairs. The fault detection of the MAX9546 and loss-of-signal detection of the MAX9547 allow proactive and speedy diagnosis, such as identifying failures in the manufacturing stage and troubleshooting equipment at repair facilities. The MAX9546/MAX9547 are low-cost, convenient solutions for transporting CVBS/FBAS analog video signals (PAL or NTSC) through hostile environments. The MAX9546 driver converts the single-ended input into a differential output with a 6dB fixed gain to drive a backterminated, DC-coupled differential video output to unity gain. This DC connection allows the detection of a shortcircuit condition at the differential outputs. The FAULT output indicates a short-circuit condition including a short to a high battery condition (VBAT = +16V) or ground. The MAX9547 receiver converts the differential signal from the MAX9546 into a single-ended signal. Like the MAX9546 output, the MAX9547 input survives a short to a high battery condition or ground. The MAX9547 receiver loss-of-signal output (LOS) operates by detecting the H-Sync and thus can support both monochrome and color video signals. The MAX9547 gain is set with an external impedance between ZT+ and ZT-. The MAX9546/MAX9547 operate from a 7.5V to 10V single supply. Both devices include ±15kV ESD Human Body Model (HBM) protection. The MAX9546/MAX9547 are offered in a thermally enhanced 8-pin SO package and specified over the -40°C to +85°C extended temperature range. ♦ Fault Detection (MAX9546) ♦ Loss-of-Signal Detection (MAX9547) ♦ Tolerate ±2V Ground-Level Shift between Source and Load ♦ ±15kV ESD Protection (Human Body Model) ♦ ±8kV—IEC 1000-4-2 Contact Discharge ♦ ±15kV—IEC 1000-4-2 Air-Gap Discharge ♦ Preset 6dB Gain (MAX9546) ♦ Variable Receiver Gain (MAX9547) ♦ 7.5V to 10V Single-Supply Operation Features MAX9546/MAX9547 Ordering Information PART MAX9546ESA+ MAX9547ESA+ PINPACKAGE 8 SO-EP* 8 SO-EP* PKG CODE S8E-14 S8E-14 DESCRIPTION Driver Receiver Note: These devices are specified for -40°C to +85°C temperature range. +Denotes a lead-free package. *EP = Exposed paddle. Pin Configuration appears at end of data sheet. Typical Operating Circuit VCC VCC Applications Automotive Video Car Navigation In-Car Entertainment Collision Avoidance/Rearview Cameras Security/CCTV Video Avionics/In-Flight Entertainment CLAMP FAULT LOS IN OUTINZT+ MAX9546 ZTOUT+ IN+ MAX9547 IOUT VOUT ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Differential Video Interface Chipset MAX9546/MAX9547 ABSOLUTE MAXIMUM RATINGS (Voltages are referenced GND.) VCC to GND ............................................................-0.3V to +11V IN and FAULT (MAX9546)......................... -0.3V to (VCC + 0.3V) OUT+, OUT- (MAX9546) (Note 1) .............................-2V to +16V FAULT Short-Circuit Duration to VCC or GND (MAX9546) .........................................Continuous IN+, IN- (MAX9547) (Note 1).....................................-2V to +16V IOUT, LOS, ZT+, ZT- (MAX9547) ...............-0.3V to (VCC + 0.3V) Differential Input Voltage (|VIN+ - VIN-|) (MAX9547)...............+5V IOUT, LOS Short-Circuit Duration to VCC or GND (MAX9547) .........................................Continuous Continuous Power Dissipation (TA = +70°C) 8-Pin SO (derate 19.2mW/°C above +70°C)...............1538mW Operating Temperature Range ...........................-40°C to +85°C Junction Temperature ..................................................... +150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Note 1: The Absolute Maximum Ratings of OUT+/OUT- for the MAX9546 and IN+/IN- for the MAX9547 are based on a single-fault condition, i.e. only one output of MAX9546 (or both outputs together) is shorted to the battery, VCC or GND. The devices will not survive a double-fault condition, i.e. OUT+ and OUT- shorted to different supplies. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS—MAX9546 (VC.


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