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Part Number: MAX7470
Description: The MAX7469/MAX7470 triple-channel, anti-aliasing filters and buffers are ideal for high-definition (H...
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MAX7470
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DataSheet
General Description
MAX7470 General Description
The MAX7469/MAX7470 triple-channel, anti-aliasing filters and buffers are ideal for high-definition (HD) and standard-definition (SD) television (TV) applications. Compatible with 1080i, 720p, 720i, 480p, and 480i scanning system standards and computer format signals, the MAX7469/MAX7470 support component video (Y Pb Pr, GsBR, and RGBHV), as well as composite (CVBS) and S-video (Y/C).
The MAX7469/MAX7470 limit the input bandwidth for anti-aliasing and out-of-band noise reduction prior to digital conversion by an ADC or video decoder. The MAX7469/MAX7470 frequency response can be continuously varied in 256 linear steps through an I2C* interface from below SD resolution to beyond HD resolution.
The output buffers of the MAX7469/MAX7470 drive a 2VP-P video signal into a standard 150 load. The inputs are AC-coupled, and the outputs can be either DC- or AC-coupled. The MAX7469 has a gain of 0dB, and the MAX7470 has a gain of +6dB. Both devices are available in a 20-pin TQFN package and are fully specified over the 0°C to +85°C upper-commercial temperature range
MAX7470 Maximum Ratings
AVDD to GND.....................................................-0.3V to +6V
DVDD to DGND..................................................-0.3V to +4V
IN_, EXTSYNC to GND ..........................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
OUT_ to GND .......................................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
A_ to GND ...........................................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
SCL, SDA to DGND.............................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
20-Pin TQFN (derate 33.3mW/°C above +70°C) 2666.7mW
Maximum Current into IN_, A_, GND,
SCL, SDA, and EXTSYNC............................................±50mA
Operating Temperature Range........................0°C to +85°C
Storage Temperature Range .................. .-65°C to +150°C
Junction Temperature...............................................+150°C
Lead Temperature (soldering, 10s) ..........................+300°C
DVDD to DGND..................................................-0.3V to +4V
IN_, EXTSYNC to GND ..........................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
OUT_ to GND .......................................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
A_ to GND ...........................................................................
...........................-0.3V to the lower of (AVDD + 3V) and +6V
SCL, SDA to DGND.............................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
20-Pin TQFN (derate 33.3mW/°C above +70°C) 2666.7mW
Maximum Current into IN_, A_, GND,
SCL, SDA, and EXTSYNC............................................±50mA
Operating Temperature Range........................0°C to +85°C
Storage Temperature Range .................. .-65°C to +150°C
Junction Temperature...............................................+150°C
Lead Temperature (soldering, 10s) ..........................+300°C
MAX7470 Features
` Continuously Variable Anti-Aliasing Filter 5MHz to 34MHz in 256 Steps
` Supports All Standard Video and Computer Input Formats 480i, 480p, 720i, 720p, 1080i QVGA, VGA, SVGA, XGA, SXGA, UXGA Y Pb Pr, GsBR, RGBHV, Y/C, CVBS
` Accepts Any Input Sync Format Sync on Y, Sync on G, External Sync (Positive or Negative) Sync on All Channels
` Buffered Outputs Drive Standard 150 Video Load
0dB (MAX7469)
+6dB (MAX7470)
` DC- or AC-Coupled Outputs
` Single +5V Analog and +3.3V Digital Supplies
` 5mW Power-Down Mode
` 20-Pin TQFN Lead-Free Package
` Supports All Standard Video and Computer Input Formats 480i, 480p, 720i, 720p, 1080i QVGA, VGA, SVGA, XGA, SXGA, UXGA Y Pb Pr, GsBR, RGBHV, Y/C, CVBS
` Accepts Any Input Sync Format Sync on Y, Sync on G, External Sync (Positive or Negative) Sync on All Channels
` Buffered Outputs Drive Standard 150 Video Load
0dB (MAX7469)
+6dB (MAX7470)
` DC- or AC-Coupled Outputs
` Single +5V Analog and +3.3V Digital Supplies
` 5mW Power-Down Mode
` 20-Pin TQFN Lead-Free Package
MAX7470 Typical Application
HDTV (LCD, PDP, DLP, CRT)
Set-Top Boxes
Personal Video Recorders
Home Theaters
Set-Top Boxes
Personal Video Recorders
Home Theaters
MAX7470 Connection Diagram
MAX002
PDF/DataSheet Download
- Datasheet: MAX002
- File Size: 42133 KB
- Manufacturer: FILTRONIC [Filtronic Compound Semiconductors]
- Click here to Download
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