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_______________general description the max2630/max2631/max2632/max2633 are low- voltage, low-noise amplifiers for use from vhf to microwave frequencies. operating from a single +2.7v to +5.5v supply, these devices have a flat gain response to 900mhz. their low noise figure and low supply current make them ideal for receive, buffer, and transmit if applications. the max2630/max2631 are biased internally, eliminat- ing the need for external bias resistors or inductors. the max2632/max2633 have a user-selectable supply cur- rent, which can be adjusted by adding a single external resistor. this allows customized output power and gain according to specific applications requirements. the max2631/max2633 feature a shutdown pin that allows them to be powered down to less than 1? supply cur- rent. aside from a single bias resistor required for the max2632/max2633, the only external components needed for this family of amplifiers are input and output blocking capacitors and a v cc bypass capacitor. the max2630 comes in a 4-pin sot143 package, re- quiring minimal board space. the max2631/max2632 come in small 5-pin sot23 packages. the max2633 comes in a 6-pin sot23 package. ________________________applications personal communicating systems cordless phones global positioning systems cellular phones wireless local area networks ism radios wireless local loops tv tuners land mobile radios set-top boxes ____________________________features ? single +2.7v to +5.5v operation ? internally biased (max2630/max2631) ? adjustable bias (max2632/max2633) ? 6.6ma supply current (insensitive to supply voltage) ? 1a shutdown current (max2631/max2633) ? 3.7db noise figure ? 13.4db gain ? ultra-small sot packages max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers ________________________________________________________________ maxim integrated products 1 out v cc gnd 1 4 23 in sot143 top view dg_ _ max2630 gnd v cc out 1 5 in bias max2632 sot23-5 2 3 4 gnd bias v cc out 1 6 5 in shdn max2633 sot23-6 2 3 4 gnd v cc out 1 5 in shdn max2631 sot23-5 2 3 4 aaaa aabl aabk _________________pin configurations r bias off on shdn gnd out in bias v cc c byp c block v cc c block in out bias max2633 __________typical operating circuit part max2630 eus-t max2631 euk-t max2632 euk-t -40? to +85? -40? to +85? -40? to +85? temp range pin- package 4 sot143-4 5 sot23-5 5 sot23-5 ______________ordering information max2633 eut-t -40? to +85? 6 sot23-6 19-1181; rev 3; 2/07 sot top mark* dg_ _ aabk aabl aaaa * the first two letters in the sot top mark identify the part, while the remaining two letters are the lot-tracking code. for pricing, delivery, and ordering information, please contact maxim/dallas direct! at 1-888-629-4642, or visit maxim? website at www.maxim-ic.com.
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 2 _______________________________________________________________________________________ absolute maximum ratings electrical characteristics (v cc = +3v, z 0 = 50 , f in = 900mhz, r bias = 10k (max2632/max2633), v shdn = v cc (max2631/max2633), t a = +25?, unless otherwise noted.) stresses beyond those listed under ?bsolute maximum ratings?may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specificatio ns is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. note 1: guaranteed by design and characterization. v cc to gnd ................................................................-0.3v to 6v input power.........................................................................5dbm out current .....................................................................?2ma in to gnd voltage ...................................................-1.2v to 1.2v bias to gnd voltage ....................................................0.0v to 3v voltage at shdn input (max2631/max2633) ............................-0.3v to (v cc + 0.3v) current into shdn input (max2631/max2633).................100? continuous power dissipation (t a = +70?) sot143 (derate 4mw/? above +70?) .....................320mw sot23-5 (derate 7.1mw/? above +70?).................571mw sot23-6 (derate 7.1mw/? above +70?).................571mw operating temperature range ...........................-40? to +85? junction temperature ......................................................+150? storage temperature range .............................-65? to +150? lead temperature (soldering, 10s) .................................+300? parameters min typ max units output voltage standing-wave ratio 1.25:1 input voltage standing-wave ratio 1.3:1 output ip3 -1 dbm output 1db compression point -11 dbm 1.3 1.5 5.5 6.5 8.0 operating temperature range -40 85 degrees power gain 11 13.4 16.5 db noise figure 3.8 db shutdown supply current <0.1 1 ? shdn input low voltage 0.45 v shdn input high voltage 2.0 v shdn input bias current 30 1 ? conditions f in = 800mhz to 1000mhz f in = 800mhz to 1000mhz r bias =10k (note 1) t a = +25? max2631/max2633 max2631/max2633, v cc = 2.7v to 5.5v max2631/max2633, v cc = 2.7v to 5.5v max2631/ max2633 v shdn = v cc v shdn = gnd supply voltage 2.7 5.5 v 9.4 18.4 t a = t min to t max (note 1) 4.2 6.5 9.2 5.2 6.5 11.0 ma supply current 15 17 r bias = 500 r bias = 40k v cc = 3v, t a = +25? v cc = 2.7v to 5.5v, t a = +25? v cc = 3v, t a = t min to t max (note1) caution! esd sensitive device
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers _______________________________________________________________________________________ 3 __________________________________________typical operating characteristics (v cc = +3v, v shdn = v cc (max2631/max2633), z 0 = 50 , f in = 900mhz, r bias = 10k (max2632/max2633), t a = +25?, unless otherwise noted.) 10 8 6 4 2 0 23456 supply current vs. supply voltage max2630-1 v cc (v) i cc (ma) t a = +85? t a = -40? t a = +25? 25 20 15 10 5 0 05.0 2.5 10.0 15.0 max2632/max2633 gain vs. supply current max2630-2 i cc (ma) gain (db) 7.5 12.5 f = 0.1ghz f = 0.9ghz f = 1.5ghz 20 16 12 8 4 0 0.1 0.3 0.7 1.1 1.3 1.5 gain vs. frequency and voltage max2632-3 frequency (ghz) gain (db) 0.5 0.9 v cc = 5v v cc = 3v -5.0 -7.5 -10.0 -12.5 -15.0 0.1 0.3 0.7 1.1 1.3 1.5 output 1db compression power vs. frequency and temperature max2630-6 frequency (ghz) p -1 (dbm) 0.5 0.9 t a = -40? t a = +85? 20 16 12 8 4 0 0.1 0.3 0.7 1.1 1.3 1.5 gain vs. frequency and temperature max2630-4 frequency (ghz) gain (db) 0.5 0.9 t a = -40? t a = +85? t a = +25? -5.0 -7.5 -10.0 -12.5 -15.0 0.1 0.3 0.7 1.1 1.3 1.5 output 1db compression power vs. frequency and voltage max2630-5 frequency (ghz) p -1 (dbm) 0.5 0.9 v cc = 5v v cc = 3v 0 -4 -8 -12 -16 -20 0 2.5 7.5 12.5 15.0 max2632/max2633 output 1db compression power vs. supply current max2630-7 i cc (ma) p -1 (dbm) 5.0 10.0 f = 0.1ghz f = 0.9ghz f = 1.5ghz 5 4 3 2 1 0 0.1 0.3 0.5 0.9 1.1 1.5 noise figure vs. frequency max2630-8 frequency (ghz) noise figure (db) 0.7 1.3
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 4 _______________________________________________________________________________________ ______________________________________________________________pin description max2630 3 2 1 5 4 2 in gnd 3 out v cc 4 shdn 6 2 3 4 1 max2633 pin name bias 5 1 amplifier input. use a series blocking capacitor with less than 3 reactance at your lowest operating frequency. ground connection. for optimum performance, provide a low- inductance connection to the ground plane. amplifier output. use a series blocking capacitor with less than 3 reactance at your lowest operating frequency. supply connection. bypass directly at the supply pin. the value of the bypass capacitor is determined by the lowest operating frequency, and is typically the same as the blocking capacitor value. additional bypassing may be necessary for long v cc lines. shutdown input. driving shdn with a logic low turns off the amplifier. function bias resistor connection. connect a resistor to gnd to set the bias current. see the supply current vs. r bias graph in the typical operating characteristics . max2632 max2631 5 2 3 4 1 15 12 9 6 3 0 1 10 100 max2632/max2633 supply current vs. r bias max2630-9 r bias (k ) i cc (ma) v cc = 5v v cc = 3v v cc = 4v 0 0.01 0.03 0.02 0.04 0.05 -40 0 -20 20406080 max2631/max2633 shutdown supply current vs. temperature max2630 toc11 temperature (?) shutdown i cc ( a) v cc = 5.5v v cc = 2.7v v cc = 3.0v 5:1 4:1 3:1 2:1 1:1 0.1 0.3 0.7 1.1 1.3 1.5 voltage standing-wave ratio vs. frequency max2630-10 frequency (ghz) vswr 0.5 0.9 out in ____________________________typical operating characteristics (continued) (v cc = +3v, v shdn = v cc (max2631/max2633), z 0 = 50 , f in = 900mhz, r bias = 10k (max2632/max2633), t a = +25?, unless otherwise noted.)
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers _______________________________________________________________________________________ 5 table 1a. typical scattering parameters (v cc = +3v, v shdn = v cc , z 0 = 50 , r bias = 10k , t a = +25?.) 4.30 -19 0.62 37 0.012 0.05 -38.7 46 4.39 12.9 -50 0.59 3.86 -106 0.27 114 0.089 -21.0 12 1.29 2.2 -120 0.22 2.50 3.81 -97 0.25 116 0.086 -21.3 5 1.36 2.6 -115 0.24 2.40 3.80 -83 0.24 116 0.077 -22.3 27 1.51 3.6 -98 0.27 2.20 3.80 -63 0.25 117 0.069 -23.3 86 1.63 4.3 -66 0.31 2.00 3.76 -34 0.26 120 0.065 -23.7 144 1.73 4.8 -26 0.30 1.80 3.51 -7 0.26 122 0.066 -23.6 -162 1.91 5.6 -31 0.24 1.60 2.90 -12 0.26 113 0.065 -23.7 -110 2.48 7.9 -60 0.11 1.40 k 4.07 3.93 3.74 3.61 3.45 3.38 3.27 3.16 3.05 2.87 2.59 s22 (ang) -29 -49 -71 -94 -118 -109 -96 -82 -68 -53 -25 s22 (mag) 0.57 0.54 0.53 0.51 0.50 0.48 frequency (ghz) 0.46 0.44 0.42 0.60 0.40 0.33 s12 (ang) 12 -13 -32 0.50 -51 -70 0.40 -89 -107 -124 0.70 -142 -161 153 0.80 s12 (mag) 0.015 0.016 0.90 0.018 0.019 0.021 1.00 0.022 0.025 0.027 0.10 0.031 0.035 0.20 0.051 s12 (db) -36.7 0.30 -35.8 -35.0 -34.4 1.20 -33.6 -33.0 -32.2 -31.3 -30.3 -29.0 -25.8 s21 (ang) 1 -49 -89 -125 -138 -127 -116 -104 -93 -82 -58 s21 (mag) 5.11 5.32 5.32 5.28 5.19 5.05 4.93 4.75 4.49 4.25 3.48 s21 (db) 14.2 14.5 14.5 14.5 14.3 14.1 13.9 13.5 13.0 12.6 10.8 s11 (ang) -70 -86 -100 -109 -99 -86 -68 -49 -31 -10 19 s11 (mag) 0.37 0.22 0.17 0.16 0.15 0.14 0.14 0.14 0.13 0.13 0.06
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 6 _______________________________________________________________________________________ 0.08 0.12 0.12 0.11 0.11 0.11 0.11 0.12 0.14 0.20 0.58 s11 (mag) -54 21 -2 -22 -45 -66 -82 -94 -101 -97 -53 s11 (ang) 12.5 14.1 14.5 14.9 15.1 15.2 15.4 15.4 15.4 15.4 13.6 s21 (db) 4.22 5.09 5.30 5.54 5.68 5.78 5.87 5.91 5.91 5.87 4.80 s21 (mag) -59 -85 -96 -108 -119 -130 -141 -123 -87 -48 45 s21 (ang) -25.2 -28.5 -30.0 -31.3 -32.3 -33.1 -33.8 1.20 -34.7 -35.2 -36.1 0.30 -39.2 s12 (db) 0.055 0.20 0.038 0.032 0.05 0.027 0.024 0.022 1.00 0.020 0.018 0.017 0.90 0.016 0.011 s12 (mag) 0.80 153 -158 -139 0.70 -121 -104 -86 0.40 -68 -50 0.50 -31 -14 36 s12 (ang) 0.34 0.42 0.60 0.43 0.45 0.48 frequency (ghz) 0.49 0.51 0.52 0.53 0.55 0.62 s22 (mag) -18 -49 -65 -79 -94 -108 -119 -95 -72 -49 -22 s22 (ang) 2.01 2.28 2.51 2.73 2.87 3.02 3.14 3.35 3.48 3.75 4.26 k 1.40 0.10 -103 9.3 2.93 -112 -23.1 0.070 114 0.24 -4 2.36 1.60 0.22 -44 6.7 2.16 -163 -23.3 0.068 125 0.24 -7 3.07 1.80 0.29 -20 5.8 1.96 145 -23.7 0.065 124 0.24 -37 3.41 2.00 0.30 -60 5.3 1.85 89 -23.3 0.069 120 0.23 -65 3.41 2.20 0.26 -92 4.9 1.75 29 -22.2 0.078 117 0.21 -83 3.31 2.40 0.24 -110 3.9 1.57 2 -21.7 0.082 116 0.23 -95 3.48 2.50 0.23 -113 3.5 1.50 10 -20.9 0.090 115 0.25 -100 3.35 table 1b. max2633 typical scattering parameters (v cc = +5v, v shdn = v cc , z 0 = 50 , r bias = 10k, t a = +25?.) 0.35 -76 15.0 5.62 1 -36.9 0.10 0.014 13 0.57 -29 3.83
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers _______________________________________________________________________________________ 7 _______________detailed description the max2630?ax2633 are broadband amplifiers with 3db bandwidth greater than 1ghz. their small size and internal bias circuitry make them ideal for applications where board space is limited. the max2632/max2633 have a user-selectable bias current that allows the user to set both gain and output power for a particular appli- cation, and the max2631/max2633 incorporate shut- down capability. __________applications information external components the max2630?ax2633 are easy to use, as shown in the typical operating circuit and figures 1, 2 and 3. input and output series capacitors may be necessary to block dc bias voltages generated by the amplifiers from inter- acting with adjacent circuitry. these capacitors must be large enough to contribute negligible reactance in a 50 system at the minimum operating frequency. use the fol- lowing equation to calculate their minimum value: where f (in megahertz) is the minimum operating frequency. the v cc pin must be rf bypassed for correct opera- tion. to accomplish this, connect a capacitor between the v cc pin and ground, as close to the package as is practical. use the same equation given above (for dc- blocking capacitor values) to calculate the minimum capacitor value. if the pc board has long v cc lines, additional bypassing may be necessary. this can be done farther away from the package, if needed. proper grounding of the gnd pin is essential. if the pc board uses a topside rf ground, connect it directly to the gnd pin. for a board where the ground plane is not on the component side, the best technique is to con- nect the gnd pin to it with a plated through-hole close to the package. an on-chip buffer at the max2631/max2633? shdn pin makes bypassing this pin unnecessary except in very noisy applications. when rf filtering is needed, use a bypass capacitor similar to the one used on v cc . since negligible current flows into this pin, additional rf filtering may be done with a series resistor. to set the max2632/max2633? supply current, connect a resistor from the bias pin to ground. to estimate the value of this resistor, refer to the graph supply current vs. r bias in the typical operating characteristics . c f pf block , () = 53 000 r bias bias gnd out in v cc c byp c block v cc c block in out bias max2632 figure 3. max2632 typical operating circuit out out v cc in gnd c byp v cc c block c block in max2630 off on shdn gnd out in v cc c byp c block v cc c block in out bias max2631 figure 1. max2630 typical operating circuit figure 2. max2631 typical operating circuit
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 8 _______________________________________________________________________________________ figure 4. max2630 example pc board layout figure 5. max2631 example pc board layout figure 7. max2633 example pc board layout figure 6. max2632 example pc board layout pc board layout example example pc board layouts are given in figures 4 to 7. they use fr-4 with a 31mil layer thickness between the rf lines and the ground plane. the boards satisfy all of the above recommendations.
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers _______________________________________________________________________________________ 9 p d e f w p 2 p 0 d 1 a 0 b 0 k 0 t w p e f d d 1 8.001 3.988 1.753 3.505 1.499 0.991 +0.305 -0.102 +0.102 +0.000 +0.254 +0.000 0.102 0.102 0.051 0.102 0.203 0.051 0.102 0.102 0.102 0.127 note: dimensions are in mm. and follow eia481-1 standard. p 0 p 0 10 p 2 a0 b0 k0 t 3.988 40.005 2.007 3.200 3.099 1.397 0.254 __________________________________________________tape-and-reel information ___________________chip information transistor count: 199 revision history pages changed at rev 3: 1, 4, 9-12.
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 10 ______________________________________________________________________________________ sot-23 5l .eps package information (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation, go to www.maxim-ic.com/packages .)
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers ______________________________________________________________________________________ 11 sot-23 5l .eps package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation, go to www.maxim-ic.com/packages .)
max2630?ax2633 vhf-to-microwave, +3v, general-purpose amplifiers 6lsot.eps maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circu it patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 2007 maxim integrated products is a registered trademark of maxim integrated products, inc. package information (continued) (the package drawing(s) in this data sheet may not reflect the most current specifications. for the latest package outline info rmation, go to www.maxim-ic.com/packages .)

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