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MAX9505 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX9505 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page General Description The MAX9505 filters and amplifies standard-definition video signals. Maxim’s DirectDrive™ technology elimi- nates large output-coupling capacitors and sets the video black level to ground. An internal reconstruction filter smoothes the steps and reduces the spikes on the video signal from the video digital-to-analog converter (DAC). The input of the MAX9505 can be directly con- nected to the output of a DAC. The MAX9505 provides a compact, integrated, and low-power solution. The reconstruction filter typically has 3dB attenuation at 9MHz and 50dB attenuation at 27MHz, and ±1dB pass- band flatness to 5.5MHz. Maxim’s DirectDrive uses an integrated charge pump and a linear regulator to create a negative power supply to drive the sync below ground. The charge pump injects so little noise into the video output that the picture is visi- bly flawless. The MAX9505 features an internal 1.7 Ω analog switch that interfaces with a 4-pole multimedia jack. This switch allows one of the poles to be set as a video input, a video output, or a microphone input. The MAX9505 is offered in space-saving 16-pin QSOP and 16-pin TQFN packages and is specified over the -40°C to +85°C extended temperature range. Applications Mobile Phones/Smartphones Space-Constrained, Low-Power Audio/Video Portable Devices Features ♦ DC-Coupled Output ♦ Direct Connection to Video DAC ♦ Video Output Black Level Set to Ground ♦ Video Reconstruction Filter with 50dB Attenuation at 27MHz ♦ 6dB Gain ♦ 1.7Ω RON Analog Switch ♦ 10nA Shutdown Supply Current ♦ 2.7V to 3.6V Single-Supply Operation DirectDrive Video Amplifier with Reconstruction Filter and Analog Switch ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 0 TO 50mV -0.1V TO +0.1V MAX9505 AMP LINEAR REGULATOR CHARGE PUMP BUFFER VIDOUT VIDIN 6dB SOUT SIN LOWPASS FILTER 0V 0V Block Diagram 19-3675; Rev 0; 5/05 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART* PIN- PACKAGE PKG CODE TOP MARK MAX9505EEE 16 QSOP E16-4 — MAX9505ETE 16 TQFN T1633-4 ACW Functional Diagram/Typical Operating Circuit and Pin Configurations appear at end of data sheet. *All devices are specified over the -40°C to +85°C operating temperature range. |
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