MAX9503MEEE ,DirectDrive Video Amplifier with Reconstruction FilterBlock Diagram-0.1V TO0 TO 50mVMAX9503+0.1V0V0V BUFFERVIDINLOWPASS VIDOUTAMPFILTERLINEARREGULATORMAX ..
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MAX9503MEEE
DirectDrive Video Amplifier with Reconstruction Filter
General DescriptionThe MAX9503 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. The input of the MAX9503
can be directly connected to the output of a video
digital-to-analog converter (DAC). The MAX9503 pro-
vides a compact, integrated, and low-power solution.
An internal reconstruction filter smoothes the steps and
reduces the spikes on the video signal from the DAC.
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 clean negative power
supply to drive the sync below ground. The charge
pump injects so little noise into the video output that the
picture is visibly flawless.
The MAX9503 is available with +6dB (MAX9503G) and
+12dB (MAX9503M) gains. The device operates from a
2.7V to 3.6V single supply and features a 10nA low-
power shutdown mode.
The MAX9503 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.
ApplicationsDigital Still Cameras
Mobile Phones/Smartphones
Security Cameras
Portable Media Players
Space-Constrained, Low-Power Portable
Devices
FeaturesDC-Coupled OutputDirect Connection to Video DACVideo Output Black Level Set to GroundVideo Reconstruction Filter with 50dB
Attenuation at 27MHzPreset Gain
6dB (MAX9503G)
12dB (MAX9503M)10nA Shutdown Supply Current2.7V to 3.6V Single-Supply Operation
MAX9503
DirectDrive Video Amplifier with
Reconstruction Filter
Ordering Information19-3676; Rev 0; 5/05
MAX9503
DirectDrive Video Amplifier with
Reconstruction Filter
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS(VDD= CPVDD= SHDN= 3.0V, SGND = GND = CPGND = 0V, C1 = C2 = C3 = C4 = 1µF, RBIAS = 100kΩ, TA= TMINto TMAX. = 150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values are at
VDD= CPVDD = SHDN= 3.0V, TA= +25°C, unless otherwise noted.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDDto SGND............................................................-0.3V to +4V
VIDIN to SGND.........................................................-0.3V to +4V
BIAS to SGND..............................................-0.3V to (VDD+ .3V)SHDNto SGND........................................................-0.3V to +4V
VIDOUT to SGND........................(The greater of VSSand -2V) to
(VDD+ 0.3V)
CPVDDto CPGND....................................................-0.3V to +4V
C1P, C1N, CPVSS.............................Capacitor Connection Only
CPGND, SGND, GND............................................-0.1V to +0.1V
CPVSSto VSS..................................................................-0.1V to +0.1V
VIDOUT Short Circuit to VDD, SGND
and the Greater of (VSSand -2V)...........................Continuous
Continuous Current
VIDIN, BIAS, SHDN......................................................±20mA
Continuous Power Dissipation (TA= +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
16-Pin TQFN (derate 15.6mW/°C above +70°C).......1349mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX9503
DirectDrive Video Amplifier with
Reconstruction Filter
ELECTRICAL CHARACTERISTICS (continued)(VDD= CPVDD= SHDN= 3.0V, SGND = GND = CPGND = 0V, C1 = C2 = C3 = C4 = 1µF, RBIAS = 100kΩ, TA= TMINto TMAX. = 150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values are at
VDD= CPVDD = SHDN= 3.0V, TA= +25°C, unless otherwise noted.) (Note 1)
AC ELECTRICAL CHARACTERISTICS(VDD = CPVDD = SHDN= 3.0V, SGND = GND = CPGND = 0V, C1 = C2 = C3 = C4 = 1µF, RBIAS= 100kΩ, TA= TMINto TMAX. RL =
150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values are at VDD=
MAX9503
DirectDrive Video Amplifier with
Reconstruction Filter
AC ELECTRICAL CHARACTERISTICS (continued)(VDD = CPVDD = SHDN= 3.0V, SGND = GND = CPGND = 0V, C1 = C2 = C3 = C4 = 1µF, RBIAS= 100kΩ, TA= TMINto TMAX. RL =
150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values are at VDD=
Note 1:All devices are 100% production tested at TA= +25°C. Specifications over temperature are guaranteed by design.
Note 2:Voltage gain (AV) is a two-point measurement in which the output voltage swing is divided by the input voltage swing.
Note 3:With an output load attached, this offset will directly contribute to quiescent current.
Typical Operating Characteristics(VDD= CPVDD = SHDN= 3.0V, SGND = GND = CPGND = 0V, no load, C1 = C2 = C3 = C4 = 1µF, RBIAS = 100kΩ, TA= TMINto
TMAX. RIN = 150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values
are at TA= +25°C, unless otherwise noted.)
MAX9503
DirectDrive Video Amplifier with
Reconstruction Filter
Typical Operating Characteristics (continued)(VDD= CPVDD = SHDN= 3.0V, SGND = GND = CPGND = 0V, no load, C1 = C2 = C3 = C4 = 1µF, RBIAS = 100kΩ, TA= TMINto
TMAX. RIN = 150Ωto SGND, unless otherwise noted. VVIDIN= 286mV (MAX9503G), VVIDIN= 143mV (MAX9503M). Typical values
