19-3674; Rev 0; 5/05 2.5V Video Amplifier with Reconstruction Filter The MAX9502 small, low-power video amplifier with integrated reconstruction filter operates from a supply voltage as low as 2.5V. The small size and the low minimum supply voltage make the MAX9502 ideal for portable applications such as mobile phones, digital still cameras, and camcorders. The MAX9502 DC-couples the input and the output, resulting in a very small solution. The MAX9502 input can be directly connected to the output of a video digital-toanalog converter (DAC). The reconstruction filter is implemented as a 4th-order Chebyshev with a minimum passband of 5.5MHz, 3dB attenuation at 8MHz, and 55dB attenuation at 27MHz. The output amplifier provides a closed-loop gain of +6dB (MAX9502G) or +12dB (MAX9502M), and can drive a 2VP-P video signal into a 150Ω load to ground. The output signal is level-shifted so the sync tip is 110mV (typ) above ground. The MAX9502 operates from a 2.5V to 3.6V single supply and consumes only 5.3mA quiescent supply current. An active-low shutdown mode reduces the supply current to 0.01µA. The MAX9502 is available in tiny 6-pin µDFN (1mm x 1.5mm x 0.8mm) and 5-pin SC70 packages. The device is specified over the -40°C to +85°C extended temperature range. Features ♦ Tiny 6-Pin µDFN (1mm x 1.5mm x 0.8mm) and 5-Pin SC70 Packages ♦ DC-Coupled Input and Output Save Board Space ♦ 4-Pole Chebyshev Filter ♦ 5.5MHz Passband ♦ 55dB Attenuation at 27MHz ♦ 0.01µA Low-Current Shutdown Mode ♦ 2.5V to 3.6V Single-Supply Operation ♦ Video Amplifier with Fixed Gains of +6dB (MAX9502G) or +12dB (MAX9502M) Ordering Information PART* PIN-PACKAGE GAIN (dB) TOP MARK MAX9502GEXK-T 5 SC70-5 +6 ARV MAX9502GELT-T 6 µDFN-6 (L611-1) +6 AU MAX9502MEXK-T 5 SC70-5 +12 ARW MAX9502MELT-T 6 µDFN-6 (L611-1) +12 AV *All devices are specified over the -40°C to +85°C operating temperature range. Applications Mobile Phones/Smartphones Typical Operating Circuit appears at end of data sheet. Digital Still Cameras Portable Media Players Camcorders Pin Configurations Other Portable Video Amplifiers PRODUCT FEATURES MAX9503 DirectDrive™, LPF, DC-coupled input/output, 50dB at 27MHz, TQFN MAX9505 DirectDrive, LPF, DC-coupled input/output, 50dB at 27MHz analog switch, TQFN MAX4090 Video amplifier, input clamp, µDFN, SOT23, SC70 MAX9504 Video amplifier, 2 DC-coupled loads, optional DC offset bias, µDFN, SOT23 TOP VIEW OUT N.C. VCC 6 5 4 1 2 1 GND 2 MAX9502 IN IN 3 5 OUT 4 VCC MAX9502 SHDN 3 GND SHDN µDFN SC70 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 MAX9502 General Description MAX9502 2.5V Video Amplifier with Reconstruction Filter ABSOLUTE MAXIMUM RATINGS VCC to GND ..............................................................-0.3V to +4V SHDN, IN, OUT to GND..............................-0.3V to (VCC + 0.3V) OUT Short-Circuit Duration to VCC, GND……............Continuous Continuous Power Dissipation (TA = +70°C) 5-Pin SC70 (derate 3.1mW/°C above +70°C)……….. .247mW 6-Pin µDFN (derate 2.1mW/°C above +70°C)………...168mW 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 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. DC ELECTRICAL CHARACTERISTICS (VCC = SHDN = 3.0V, GND = 0V, no load, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER Supply Voltage Range SYMBOL CONDITIONS VCC Guaranteed by PSRR Quiescent Supply Current ICC VIN = 0V, 2.5V ≤ VCC ≤ 3.6V, SHDN = VCC Shutdown Supply Current ISHDN VSHDN = 0V Input Voltage Range VIN MIN TYP MAX UNITS 3.6 V 5.3 9 mA 0.01 1 µA 2.5 Guaranteed by DC voltage gain (MAX9502G) VCC = 2.5V 0 VCC = 3.0V 0 1.05 1.2 Guaranteed by DC voltage gain (MAX9502M) VCC = 2.5V 0 0.525 VCC = 3.0V 0 0.6 Input Current IIN VIN = 0V 3.5 Input Resistance RIN ∆VIN/∆IIN 17 DC Voltage Gain (Note 2) AV RL = 150Ω to GND, VCC = 2.5V to 3V Output Sync-Tip Level VSTIP MAX9502G, RL = 150Ω to GND Output Voltage Swing VOUT MAX9502M, RL = 150Ω to GND Output Short-Circuit Current Threshold Output Resistance Shutdown Output Impedance DC Power-Supply Rejection Ratio ISC PSRRDC 5.5 6 6.5 11.5 12 12.5 110 230 VCC = 2.5V, 0 ≤ VIN ≤ 1.05V 1.97 2.1 2.23 VCC = 3.0V, 0 ≤ VIN ≤ 1.2V 2.26 2.4 2.54 VCC = 2.5V, 0 ≤ VIN ≤ 0.525V 1.97 2.1 2.23 VCC = 3.0V, 0 ≤ VIN ≤ 0.6V 2.26 2.4 2.54 dB mV VP-P Sourcing (Note 3) VSHDN = 0V VIN = 0V, 2.5V ≤ VCC ≤ 3.6V µA MΩ MAX9502M ROUT ROUT(OFF) 10 MAX9502G Measured at OUT, VIN = 0V, RL = 150Ω to GND V 50 95 mA 0.15 Ω 4 kΩ 90 dB LOGIC INPUTS (SHDN) Logic-Low Level VIL Logic-High Level VIH Logic Input Current IIL 2 0.8 2.0 SHDN = GND and VCC _______________________________________________________________________________________ V V 1 µA 2.5V Video Amplifier with Reconstruction Filter MAX9502 AC ELECTRICAL CHARACTERISTICS (VCC = SHDN = 3.0V, GND = 0V, RL = 150Ω to GND, TA = +25°C, unless otherwise noted.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN VOUT = 2VP-P, f = 100kHz to 5.5MHz, flatness is referred to 100kHz Passband Flatness Attenuation fdt VOUT = 2VP-P, attenuation is referred to 100kHz -1 f = 8MHz f = 27MHz TYP 3 35 55 MAX UNITS +1 dB dB Power-Supply Rejection Ratio PSRR f = 100kHz 56 dB Output Impedance ZOUT VOUT = 1.5V DC; f = 5MHz 2.5 Ω MAX9502G 0.4 MAX9502M 0.4 MAX9502G 0.4 MAX9502M 0.4 2T Pulse-to-Bar K Rating 2T = 250ns; bar time is 18µs; the beginning 2.5% and the ending 2.5% of the bar time are ignored 0.2 K% 2T Pulse Response 2T = 250ns 0.3 K% 2T Bar Response 2T = 250ns; bar time is 18µs; the beginning 2.5% and the ending 2.5% of the bar time are ignored 0.4 K% Nonlinearity 5-step staircase Differential Gain Error DG NTSC, VOUT = 2VP-P Differential Phase Error DP NTSC, VOUT = 2VP-P % degrees 0.4 % Line Time Distortion 0 % Field Time Distortion 0 % Group-Delay Variation Peak Signal to RMS Noise Enable Time Disable Time ∆(dϕ/dω) SNR tON tOFF f = 100kHz to 5.5MHz VOUT = 2VP-P, 100kHz to 5MHz VSHDN = 3V, VOUT settled to within 1% of the final voltage VSHDN = 0V, VOUT settled to below 1% of the output voltage MAX9502G 30 MAX9502M 30 MAX9502G 68 MAX9502M 65 MAX9502G (VIN = 1V) 800 MAX9502M (VIN = 0.5V) 800 MAX9502G (VIN = 1V) 220 MAX9502M (VIN = 0.5V) 175 ns dB ns ns Note 1: All devices are 100% production tested at TA = +25°C. Specifications over temperature limits are guaranteed by design. Note 2: DC voltage gain (AV) is a two-point measurement in which the output voltage swing is divided by the input voltage swing. Note 3: Short-circuit current is the trip current for the protection. During the protection, OUT is switched alternatively on and off. _______________________________________________________________________________________ 3 Typical Operating Characteristics (VCC = SHDN = 3.0V, GND = 0V, RL = 150Ω to GND.) 10 10 VOUT = 100mVP-P 8 -10 -20 -30 -40 RESPONSE (dB) 0 RESPONSE (dB) -10 -20 -30 -50 6 5 4 -50 VOUT = 100mVP-P VOUT = 100mVP-P -60 3 -60 0.1 1 10 100 0.1 1 10 0.1 100 10 1 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) MAX9502M SMALL-SIGNAL GAIN FLATNESS MAX9502G LARGE-SIGNAL BANDWIDTH MAX9502M LARGE-SIGNAL BANDWIDTH 14 20 10 10 0 RESPONSE (dB) 12 11 RESPONSE (dB) 0 13 -10 -20 -30 -30 VOUT = 2VP-P VOUT = 2VP-P 9 -60 -60 0.1 -20 -50 -50 VOUT = 100mVP-P -10 -40 -40 10 MAX9502 toc06 20 MAX9502 toc04 15 1 10 0.1 1 10 0.1 100 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) MAX9502G LARGE-SIGNAL GAIN FLATNESS MAX9502M LARGE-SIGNAL GAIN FLATNESS MAX9502G GROUP DELAY 8 200 MAX9502 toc08 15 MAX9502 toc07 9 14 100 MAX9502 toc09 RESPONSE (dB) 7 -40 MAX9502 toc05 RESPONSE (dB) 0 9 MAX9502 toc02 20 MAX9502 toc01 20 MAX9502G SMALL-SIGNAL GAIN FLATNESS MAX9502M SMALL-SIGNAL BANDWIDTH MAX9502 toc03 MAX9502G SMALL-SIGNAL BANDWIDTH 180 160 6 13 DELAY (ns) 7 RESPONSE (dB) RESPONSE (dB) MAX9502 2.5V Video Amplifier with Reconstruction Filter 12 5 11 4 10 140 120 100 80 60 VOUT = 2VP-P VOUT = 2VP-P 3 9 0.1 1 FREQUENCY (MHz) 4 10 40 0.1 1 FREQUENCY (MHz) 10 0.1 1 FREQUENCY (MHz) _______________________________________________________________________________________ 10 2.5V Video Amplifier with Reconstruction Filter MAX9502G POWER-SUPPLY REJECTION RATIO -10 -20 RESPONSE (dB) 140 120 100 60 40 0.1 -40 -50 -60 -30 -40 -50 -60 -70 -80 -80 -90 -90 -100 0.0001 10 1 0.001 0.01 0.1 1 -100 0.0001 10 0.001 0.01 0.1 10 1 FREQUENCY (MHz) FREQUENCY (MHz) SUPPLY CURRENT vs. TEMPERATURE SUPPLY CURRENT vs. SHDN INPUT VOLTAGE SHUTDOWN LOGIC THRESHOLD vs. SUPPLY VOLTAGE SUPPLY CURRENT (mA) 6.0 MAX9502G MAX9502M 5.0 4.5 4.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 3.5 3.0 -15 10 35 60 85 MAX9502 toc15 2.5 2.0 1.5 1.0 0.5 0 0 0.5 1.0 1.5 2.0 2.5 3.0 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 TEMPERATURE (°C) SHDN INPUT VOLTAGE (V) SUPPLY VOLTAGE (V) MAX9502G VOLTAGE GAIN vs. TEMPERATURE MAX9502M VOLTAGE GAIN vs. TEMPERATURE MAX9502G DIFFERENTIAL GAIN AND PHASE 6.3 GAIN (dB) 6.1 12.3 5.9 5.7 12.1 11.9 11.7 5.5 11.5 -15 10 35 TEMPERATURE (°C) 60 85 -40 -15 10 35 60 85 0.4 0.2 0.1 -0.1 -0.3 -0.4 MAX9502 toc18 12.5 MAX9502 toc16 6.5 -40 VSHDN = RISING DIFFERENTIAL GAIN (%) -40 3.0 DIFFERENTIAL PHASE (deg) 5.5 VSHDN = RISING SHUTDOWN LOGIC THRESHOLD (V) 6.0 5.5 5.0 MAX9502 toc13 6.5 MAX9502 toc14 FREQUENCY (MHz) 7.0 SUPPLY CURRENT (mA) -20 -70 80 GAIN (dB) -30 MAX9502 toc17 DELAY (ns) 160 -10 RESPONSE (dB) 180 0 MAX9502 toc11 0 MAX9502 toc10 200 MAX9502M POWER-SUPPLY REJECTION RATIO MAX9502 toc12 MAX9502M GROUP DELAY 1 2 3 4 5 6 7 1 2 3 4 5 6 7 0.8 0.4 0 -0.4 -0.8 TEMPERATURE (°C) _______________________________________________________________________________________ 5 MAX9502 Typical Operating Characteristics (continued) (VCC = SHDN = 3.0V, GND = 0V, RL = 150Ω to GND.) Typical Operating Characteristics (continued) (VCC = SHDN = 3.0V, GND = 0V, RL = 150Ω to GND.) MAX9502G 2T RESPONSE MAX9502 toc20 0.4 MAX9502 toc19 DIFFERENTIAL GAIN (%) MAX9502M DIFFERENTIAL GAIN AND PHASE DIFFERENTIAL PHASE (deg) MAX9502 2.5V Video Amplifier with Reconstruction Filter 0.2 0 IN 200mV/div -0.2 -0.4 1 2 3 4 5 6 7 0.8 OUT 400mV/div 0.4 0 -0.4 -0.8 1 2 3 4 5 6 7 100ns/div MAX9502G MODULATED 12.5T RESPONSE MAX9502M 2T RESPONSE MAX9502 toc22 MAX9502 toc21 IN 100mV/div IN 200mV/div OUT 400mV/div OUT 400mV/div 100ns/div 400ns/div MAX9502M MODULATED 12.5T RESPONSE MAX9502G NTC-7 COMPOSITE RESPONSE MAX9502 toc23 MAX9502 toc24 IN 100mV/div IN 500mV/div 0V OUT 1V/div OUT 400mV/div 0V 400ns/div 6 10µs/div _______________________________________________________________________________________ 2.5V Video Amplifier with Reconstruction Filter MAX9502M NTC-7 COMPOSITE RESPONSE MAX9502G MULTIBURST RESPONSE MAX9502 toc25 MAX9502M MULTIBURST RESPONSE MAX9502 toc27 MAX9502 toc26 IN 250mV/div 0V IN 500mV/div 0V IN 250mV/div 0V OUT 1V/div OUT 1V/div OUT 1V/div 0V 0V 0V 10µs/div 10µs/div 10µs/div MAX9502G FIELD SQUARE-WAVE RESPONSE MAX9502M FIELD SQUARE-WAVE RESPONSE MAX9502 toc28 MAX9502 toc29 IN 500mV/div IN 250mV/div 0V 0V OUT 1V/div OUT 1V/div 0V 0V 2ms/div 2ms/div Pin Description PIN NAME FUNCTION µDFN SC70 1 1 2 2 GND 3 3 SHDN 4 4 VCC Positive Power Supply 5 — N.C. No Connection. Not internally connected. 6 5 OUT Video Output IN Video Input Ground Active-Low Shutdown Input. Connect to GND to shutdown. _______________________________________________________________________________________ 7 MAX9502 Typical Operating Characteristics (continued) (VCC = SHDN = 3.0V, GND = 0V, RL = 150Ω to GND.) MAX9502 2.5V Video Amplifier with Reconstruction Filter Detailed Description The MAX9502 filters and amplifies the video DAC output in applications such as digital still cameras and mobile phones. The MAX9502 consists of a lowpass filter and an output video buffer capable of driving a standard 150Ω video load to ground. The MAX9502G output buffer provides a fixed gain of +6dB, while the MAX9502M output buffer provides a fixed gain of +12dB. signal with a sync tip from 0 to 50mV and the MAX9502M accepts a composite video signal with a sync tip from 0 to 25mV. A typical current-output DAC that operates from a single supply usually creates a composite video signal with a sync tip very close to ground. Hence, the DAC output can be directly connected to the MAX9502 input. Keep the board trace as short as possible to minimize parasitic stray capacitance and prevent unintentional high-frequency attenuation. Filter The MAX9502 contains a 4th-order Chebyshev reconstruction filter. The Chebyshev-type response features a 0.4dB flat passband for NTSC and PAL signals. The stopband offers 55dB (typ) of attenuation at 27MHz and above (see the Typical Operating Characteristics). Output Amplifier The MAX9502G features a +6dB gain, while the MAX9502M features a +12dB gain. Operating from a 2.5V to 3.0V supply, the output amplifier is able to drive a 2V signal into a 150Ω video load to ground. Operating from a 3.0V to 3.6V supply, the output amplifier is able to drive a 2.4VP-P signal into a 150Ω video load to ground. The output is typically offset 110mV above ground to guarantee linear operation of the amplifier. The MAX9502 output only sources current; all loads should be connected to ground. Short-Circuit Protection The MAX9502 typical application circuit includes a 75Ω back-termination resistor that limits short-circuit currents for an external short applied at the video output. The MAX9502 features internal output short-circuit protection to prevent device damage in prototyping and applications where the amplifier output can be directly shorted. Short-circuit protection activates if the output is short-circuited and the output current exceeds 95mA. During short-circuit protection, the output of the MAX9502 is shut off for 12µs and then turns on for 0.8µs. If the short is still present, the MAX9502 output shuts off again. Extended short circuits result in a pulsed output. The device resumes normal operation after the short is removed. Output Considerations The MAX9502 output must be DC-coupled. No AC-coupling capacitors are allowed. The MAX9502 connects directly to the video cable through a 75Ω series backtermination resistor. The other end of the cable should be properly terminated with a 75Ω resistor as well. Because of this configuration, the peak-to-peak amplitude as well as the DC level of the signal is divided by two. The MAX9502 output signal is level-shifted up so the sync tip is around 110mV. Power-Supply Bypassing and Layout Considerations The MAX9502 operates from a single-supply voltage down to 2.5V, allowing for low-power consumption. Bypass VCC to GND with a 0.1µF capacitor. Place all external components as close to the device as possible. Typical Operating Circuit VCC 0.1µF ON OFF MAX9502 GAIN = +6dB MAX9502G SHDN SHUTDOWN CIRCUIT GAIN = +12dB MAX9502M IN LOWPASS FILTER VIDEO ASIC VIDEO DAC VIDEO AMP OUT 75Ω Z0 = 75Ω Applications Information 75Ω TELEVISION Input Considerations The MAX9502 input is DC-coupled. When the supply voltage is between a 2.5V and 3V supply, the input voltage range extends from ground to 1.05V for the MAX9502G and from ground to 0.525V for the MAX9502M. When the supply voltage is between 3V and 3.6V, the input voltage range extends from ground to 1.2V for the MAX9502G and from ground to 0.6V for the MAX9502M. The MAX9502G accepts a composite video 8 GND Chip Information PROCESS: BICMOS _______________________________________________________________________________________ 2.5V Video Amplifier with Reconstruction Filter 6L UDFN.EPS 3 e A b 5 4 6 TOPMARK 2 AAA PIN 1 INDEX AREA PIN 1 0.075x45° L2 L E 3 1 A1 D SIDE VIEW TOP VIEW A 1 BOTTOM VIEW b SECTION A-A 2 A L1 COMMON DIMENSIONS MIN. 0.64 -1.45 0.95 0.30 --0.17 A A1 D E L L1 L2 b e NOM. 0.72 0.20 1.50 1.00 0.35 --0.20 0.50 BSC. MAX. 0.80 -1.55 1.05 0.40 0.08 0.05 0.23 TITLE: PACKAGE OUTLINE, 6L uDFN, 1.5x1.0x0.8mm APPROVAL -DRAWING NOT TO SCALE- DOCUMENT CONTROL NO. 21-0147 REV. C 1 1 _______________________________________________________________________________________ 9 MAX9502 Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) Package Information (continued) (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.) SC70, 5L.EPS MAX9502 2.5V Video Amplifier with Reconstruction Filter PACKAGE OUTLINE, 5L SC70 21-0076 C 1 1 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. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc.