MAX4090 Maxim, MAX4090 Datasheet
MAX4090
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MAX4090 Summary of contents
Page 1
... 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 ...
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... DC ELECTRICAL CHARACTERISTICS (V = 3.0V 0V 0.1µF from IN to GND GND IN (MAX4090E -40°C to +125°C (MAX4090A). Typical values are PARAMETER SYMBOL Supply Voltage Range Quiescent Supply Current Shutdown Supply Current Input Clamp Voltage Input Voltage Range Input Bias Current ...
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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 ...
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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 ...
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... GND, SHDN = +25°C, unless CC A CLAMP VOLTAGE vs. TEMPERATURE 0.60 0.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20 120 140 -40 - TEMPERATURE (°C) OUTPUT-VOLTAGE HIGH SWING vs. TEMPERATURE -40 - 100 120 140 TEMPERATURE (°C) LARGE-SIGNAL PULSE RESPONSE MAX4090 toc16 10ns/div 100 120 140 5 ...
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... Video Input Power-Supply Voltage. Bypass with a 0.1µF capacitor ground as close to pin as possible. Shutdown. Pull SHDN low to SHDN 5 5 place the MAX4090 in low- power shutdown mode Feedback. Connect to OUT. 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) = 0.1µ 75Ω to GND ...
Page 7
... The input clamp positions 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 ...
Page 8
... At 6MHz, the attenuation is about 1.4dB. The attenuation at 27MHz is about 20dB. Figure 3 shows the multiburst response for 150Ω. 2-POLE RECONSTRUCTION LPF VIDEO CURRENT DAC C1 R1 150pF 150Ω Figure 1. 2nd-Order Butterworth LPF with MAX4090 FREQUENCY RESPONSE 0 -10 -20 -30 -40 -50 -60 0.1 1 ...
Page 9
... application, the MAX4090 can use the sag con- figuration if an AC-coupled output video signal is required. Sag correction refers to the low-frequency compensation for the highpass filter formed by the 150Ω load and the output capacitor. In video applica- tions, the cutoff frequency must be low enough to pass the vertical sync interval to avoid field tilt ...
Page 10
... Figure 6. Sag Correction Configuration 10 ______________________________________________________________________________________ Layout and Power-Supply Bypassing The MAX4090 operates from single 2.7V to 5.5V sup- ply. Bypass the supply with a 0.1µF capacitor as close to the pin as possible. Maxim recommends using microstrip and stripline techniques to obtain full band- width. To ensure that the PC board does not degrade the device’ ...
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... Figure 7. Typical Operating Circuit SOURCE 0.1μF 75Ω SIGNAL 75Ω Figure 8. AC-Coupled Output Circuit ______________________________________________________________________________________ and 150nA Shutdown Current V CC MAX4090 IN CLAMP GND V CC MAX4090 IN CLAMP GND TRANSISTOR COUNT: 755 PROCESS: BiCMOS V = 2. BYP 0.1μF SHDN R OUT 75Ω E OUT OUT R L 75Ω ...
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... 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 may show a different suffix character, but the drawing pertains to the package regardless of RoHS status ...
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... 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 suffix character, but the drawing pertains to the package regardless of RoHS status ...
Page 14
... 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 may show a different suffix character, but the drawing pertains to the package regardless of RoHS status ...
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... 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 suffix character, but the drawing pertains to the package regardless of RoHS status ...
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... 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 may show a different suffix character, but the drawing pertains to the package regardless of RoHS status ...
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... Added automotive part 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 © ...