MAX4090EXT+T Maxim Integrated Products, MAX4090EXT+T Datasheet

IC VIDEO BUFFER 6DB SC70-6

MAX4090EXT+T

Manufacturer Part Number
MAX4090EXT+T
Description
IC VIDEO BUFFER 6DB SC70-6
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4090AAXTT.pdf (17 pages)

Specifications of MAX4090EXT+T

Applications
Buffer
Number Of Circuits
1
-3db Bandwidth
55MHz
Slew Rate
275 V/µs
Current - Supply
6.5mA
Current - Output / Channel
85mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
6-TSSOP, SC-88, SOT-363
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX4090 3V/5V, 6dB video buffer with sync-tip
clamp, and low-power shutdown mode is available in
tiny SOT23, SC70, and µDFN packages. The MAX4090
is designed to drive DC-coupled, 150Ω back-terminated
video loads in portable video applications such as digi-
tal still cams, portable DVD players, digital camcorders,
PDAs, video-enabled cell phones, portable game sys-
tems, and notebook computers. The input clamp posi-
tions the video waveform at the output and allows the
MAX4090 to be used as a DC-coupled output driver.
The MAX4090 operates from a single 2.7V to 5.5V sup-
ply and consumes only 6.5mA of supply current. The
low-power shutdown mode reduces the supply current
to 150nA, making the MAX4090 ideal for low-voltage,
battery-powered video applications.
The MAX4090 is available in tiny 6-pin SOT23, SC70,
and µDFN packages and is specified over the extend-
ed (-40°C to +85°C) and automotive (-40°C to +125°C)
temperature ranges.
19-2813; Rev 4; 11/09
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.
GND
OUT
TOP VIEW
IN
Portable Video/Game Systems/DVD Players
Digital Camcorders/Televisions/Still Cameras
PDAs
Video-Enabled Cell Phones
Notebook Computers
Portable/Flat-Panel Displays
1
2
3
SC70/SOT23
MAX4090
________________________________________________________________ Maxim Integrated Products
3V/5V, 6dB Video Buffer with Sync-Tip Clamp
6
5
4
FB
SHDN
V
General Description
CC
Pin Configurations
V
FB
CC
6
1
Applications
MAX4090
μDFN
SHDN
GND
5
2
OUT
IN
4
3
and 150nA Shutdown Current
♦ Single-Supply Operation from 2.7V to 5.5V
♦ Input Sync-Tip Clamp
♦ DC-Coupled Output
♦ Low-Power Shutdown Mode Reduces Supply
♦ Available in Space-Saving SOT23, SC70, and
/V denotes an automotive qualified part.
MAX4090EXT-T
MAX4090EUT-T
MAX4090EUT/V+T
MAX4090ELT-T
MAX4090AAXT-T
MAX4090AAUT-T
MAX4090AALT-T
Current to 150nA
µDFN Packages
IN
PART
CLAMP
MAX4090
1.2kΩ
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP RANGE
Ordering Information
580Ω
GND
V
CC
Block Diagram
PIN-
PACKAGE
6 SC70
6 SOT23
6 SOT23
6 µDFN
6 SC70
6 SOT23
6 µDFN
2.3kΩ
780Ω
Features
OUT
FB
SHDN
MARK
ABWQ
ABOX
ABOX
ACW
TOP
ABM
AAN
AAI
1

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MAX4090EXT+T Summary of contents

Page 1

... SC70/SOT23 V CC ________________________________________________________________ Maxim Integrated Products 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. and 150nA Shutdown Current ♦ Single-Supply Operation from 2.7V to 5.5V ♦ Input Sync-Tip Clamp ♦ DC-Coupled Output ♦ Low-Power Shutdown Mode Reduces Supply Current to 150nA ♦ ...

Page 2

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current ABSOLUTE MAXIMUM RATINGS V to GND ............................................................. -0.3V to +6V CC OUT, FB, SHDN to GND............................ -0. GND (Note 1) ................................... V IN Short-Circuit Duration ...

Page 3

Video Buffer with Sync-Tip Clamp AC ELECTRICAL CHARACTERISTICS (V = 3.0V 0V, FB shorted to OUT GND otherwise noted.) PARAMETER SYMBOL Small-Signal -3dB Bandwidth Large-Signal -3dB Bandwidth Small-Signal 0.1dB Gain Flatness BW Large-Signal 0.1dB ...

Page 4

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current (V = 3.0V, GND = 0V, FB shorted to OUT otherwise noted.) SMALL-SIGNAL GAIN vs. FREQUENCY ...

Page 5

Video Buffer with Sync-Tip Clamp (V = 3.0V, GND = 0V, FB shorted to OUT otherwise noted.) POWER-SUPPLY REJECTION RATIO vs. FREQUENCY -10 -20 -30 -40 -50 -60 -70 -80 10k ...

Page 6

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current (V = 3.0V, GND = 0V, FB shorted to OUT otherwise noted.) SMALL-SIGNAL PULSE RESPONSE V IN 25mV/div V OUT 50mV/div 10ns/div Pin Description PIN NAME SOT23/ ...

Page 7

Video Buffer with Sync-Tip Clamp Detailed Description The MAX4090 3V/5V, 6dB video buffer with sync-tip clamp and low-power shutdown mode is available in tiny SOT23 and SC70 packages. The MAX4090 is designed to drive DC-coupled, 150Ω back-terminated video ...

Page 8

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current between 20Ω to 100Ω is needed to isolate the input capacitor (C4) to the filter to prevent the oscillation problem ...

Page 9

Video Buffer with Sync-Tip Clamp 3-POLE RECONSTRUCTION LPF C3 6.8pF L1 4.7μH VIDEO CURRENT DAC C1 R1 120pF 150Ω Figure 4. 3rd-Order Butterworth LPF with MAX4090 Table 2. Bench Measurement Values ...

Page 10

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current FREQUENCY RESPONSE 0 -10 -20 -30 -40 -50 -60 0 FREQUENCY (MHz) Figure 5. Frequency Response for 150 Ω 3-POLE RECONSTRUCTION LPF C3 ...

Page 11

Video Buffer with Sync-Tip Clamp SOURCE 0.1μF 75Ω SIGNAL 75Ω Figure 7. Typical Operating Circuit SOURCE 0.1μF 75Ω SIGNAL 75Ω Figure 8. AC-Coupled Output Circuit ______________________________________________________________________________________ ...

Page 12

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings ...

Page 13

Video Buffer with Sync-Tip Clamp For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different ...

Page 14

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings ...

Page 15

Video Buffer with Sync-Tip Clamp For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different ...

Page 16

Video Buffer with Sync-Tip Clamp and 150nA Shutdown Current For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings ...

Page 17

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2009 Maxim Integrated Products ...

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