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MAX9526AEI+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX9526AEI+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 38 page  General Description The MAX9526 is a low-power video decoder that con- verts NTSC or PAL composite video signals to 8-bit or 10-bit YCbCr component video compliant with the ITU- R BT.656 standard. The device powers up in fully oper- ational mode and automatically configures itself to decode the detected input standard. The MAX9526 typically consumes 200mW of power in normal opera- tion and typically less than 100µW in shutdown mode. An internal 10-bit, 54MHz analog-to-digital converter (ADC) samples the input with four times oversampling. The MAX9526 features a DC restoration circuit with off- set correction and automatic gain control to accurately optimize the full-scale range of the ADC. An integrated analog anti-aliasing filter eliminates the need for external filtering. The MAX9526 includes a 2:1 input multiplexer with automatic signal selection based on activity at the inputs. An internal line-locked phase-locked loop (PLL) gener- ates the sample clock and the line-locked clock (LLC) output to provide an ITU-compliant output. Alternatively, the PLL can be configured to provide a sample clock and output clock at 2x and 1x the frequency of the crystal oscillator, respectively. The MAX9526 provides a multiline adaptive comb filter to reduce cross-chrominance and cross-luminance artifacts. A single 1.8V supply is used for both the digital and analog supplies. The digital outputs operate from a separate +1.7V to +3.45V supply to allow direct con- nection to a wide range of digital processors. The MAX9526 operates over the -40°C to +125°C automo- tive temperature range and is available in both a 28-pin QSOP and a 32-pin TQFN (5mm x 6mm). Applications Automotive Entertainment Systems Collision Avoidance Systems Security Surveillance/CCTV Systems Televisions Features o Supports All NTSC and PAL Standards NTSC M, NTSC J, NTSC 4.43, PAL B/G/H/I/D, PAL M, PAL N, PAL 60 o Easy to Configure and Operate with Only 16 User-Programmable Registers o Automatic Configuration and Standard Select o 10-Bit 4x Oversampling (54Msps) ADC with True 10-Bit Digital Processing o Flexible Output Formatting 10-Bit Parallel ITU-R BT.656 Output with Embedded TRS 8-Bit Parallel ITU-R BT.656 Output with Separate HS and VS o +1.8V Digital and Analog Supply Voltage o +1.7V to +3.45V Digital I/O Supply Voltage o Full Automotive Temperature Range (-40°C to +125°C) o Low-Power Modes Shutdown (< 100µW typ) Sleep Mode with Continuous Activity Detection (< 5mW typ) o 2-to-1 Video Input Mux with AGC Low-Power, High-Performance NTSC/PAL Video Decoder ________________________________________________________________ Maxim Integrated Products 1 19-4535; Rev 2; 2/10 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. ANALOG FRONT-END DIGITAL DECODER OUTPUT PROCESSING SYNC PROCESSING, CLOCK GENERATION, AND PLL I2C INTERFACE AND REGISTERS VIN1 VIN2 XTAL/OSC XTAL2 SDA SCL DEVADDR IRQ D9–D0 LLC CLOCK 10 10 10 NONSTD VIDEO MAX9526 Functional Diagram Ordering Information PART TEMP RANGE PIN-PACKAGE MAX9526AEI+ -40°C to +125°C 28 QSOP MAX9526AEI/V+ -40°C to +125°C 28 QSOP MAX9526ATJ+ -40°C to +125°C 32 TQFN-EP* MAX9526ATJ/V+ -40°C to +125°C 32 TQFN-EP* + Denotes lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part. * EP = Exposed pad. |
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