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SM5309A - 3-channel Video Buffer

Description

Number 1 2 3 4 5 6 7 8 9 10 Name IN1A IN1B GND ISET NC IN2A IN2B VCC IN3A IN3B I/O 1 I I I I I I 11 MUXSEL I 12 SCL I 13 SDA I/O 14 VDD 15 GND 16 OUT3 O 17 VCC 18 OUT2 O 19 GND 20 OUT1 O 21 VCC

Features

  • I Supply voltages.
  • Analog: 4.75 to 5.25V.
  • I2C-BUS interface: 3.0 to 5.5V I Lowpass filter with adjustable cutoff frequency (256 steps).
  • Cutoff frequency range: 4MHz to 40MHz (RISET = 1.8kΩ) I Filter bypass mode function for display specifications up to SXGA resolution.
  • Passband: 80MHz (typ) I Half fc mode switch function (CH-2, CH-3) suitable for component signals I 2-system input multiplexer function (switchable using I2C-BUS or MUXSEL input) I Video input pins.

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Datasheet Details

Part number SM5309A
Manufacturer NPC
File Size 423.07 KB
Description 3-channel Video Buffer
Datasheet download datasheet SM5309A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SM5309A 3-channel Video Buffer with Built-in wideband LPF OVERVIEW The SM5309A is a 3-channel video buffer with built-in 5th-order lowpass filters. The lowpass filter cutoff frequency range can adjust from 4MHz to 40MHz*1 by 256 steps. The lowpass filter supports 480i to 1080i format, video signal equipment analog input/outputs. For video input systems, the device functions as a next-stage ADC system anti-aliasing filter. For video output systems, the filter reduces video DAC aliasing and external noise and can drive up to 300Ω load resistance. The cutoff frequency and signal input type can be controlled using an I2C-BUS*2, and the I2C slave address can be set by ADS (3-state input) to allow up to three SM5309A on the same bus. *1. When the resistor connected to ISET (RISET) is 1.8kΩ. *2.
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