rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . rf micro devices ? and rfmd ? are trademarks of rfmd, llc. bluetooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks, and registered trademarks are the property of their respective owners. ?2013, rf micro d evices, inc. 1 of 7 sda - 1000 gaas distributed amplif i er rfmds sda - 1000 is a directly coupled (dc) gaas microwave monolithic integrated circuit (mmic) distributed driver amplifier die designed to support a wide array of high frequency commercial, military, and space applications. they are ideal for wideband amplifier gain blocks, broadband test equipment (a te), military, and aerospace applications. functional block diagram ordering information sda 1000 gaas distributed amplifier , gel pa k , 10 pieces or more sda 1000 sb gaas distributed amplifier, gelpak, 2 pieces package: die, 3.1mm x 1.45mm x 0.102mm features dc to 20ghz operation +26dbm p 3db gain = 14db typical noise figure = 4db output voltage to 8v pp 300ma total current applications military aerospace broadband ate instrumentation sda - 1000
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 2 of 7 sda - 1000 absolute maximum rat ings parameter rating unit drain bias voltage (v dd ) +9.0 v dc gate bias voltage (v ti ) - 2 to 0 v dc gate bias voltage (v g2 ) (v dd - 8.0) v dc to v dd v rf input power (v dd = +8.0v dc ) 20 dbm operating channel temperature (t j ) +175 c continuous power dissipation (t = +85c) 3.5 w thermal resistance (pad to die bottom) 25 c/w storage temperature - 40 to +150 c operating temperature - 40 to +85 c esd jesd22 - a114 human body model (hbm) class 0 (all pads) caution! esd sensitive device. rfmd green: rohs compliant per eu directive 2011/65/eu, halogen free per iec 61249 - 2 - 21, <1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony solder. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical performance or functional operation of the device under absolute maximum rating conditions is not implied. nominal operating parameters parameter specification unit condition min typ max general performance t a = +25c, v dd = +8v dc , vg2 at = +3.5v dc , i dd = 300ma operating frequency 0 20 ghz gain 13.8 14.5 db 10ghz maximu m output voltage 8 v p - p ip3 at 10ghz 36 dbm p out 0dbm p1db at 10ghz 25 dbm p3db at 10ghz 26.5 dbm noise figure at mid - band 4 db input return loss 13 db output return loss 15 supply current 300 ma supply voltage 8 v dc *adjust vti between - 1.5v dc to +0.2v dc to achieve i dd = 300ma typical., v g2 = 3.5v dc typ.
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 3 of 7 sda - 1000 typical performance
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 4 of 7 sda - 1000 typical performance : (circuit board data with bias tees) v s = 5 v , i d = 51ma, r bias = 33
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 5 of 7 sda - 1000 typical application schematic package drawing (dimensions in microns ) notes: 1. no connection required for ground bond pads 2. die thickness is 0.102mm (4 mil ) 3. typical bond pad is 0.100mm square 4. backside metallization: gold 5. backside metal is ground 6. bond pad metallization: gold 7. refer to drawing posted at www.rfmd.com for tolerances
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 6 of 7 sda - 1000 pin names and descriptions pin name description interface schematic 1 rfin rf input. this pad is dc coupled and matched to 50 from dc to 20ghz. 50 microstrip transmission line on 0.127mm (5mil) thick alumina thin film substrate is recommended for rf input and output. 2 vg2 vg2 is an optional pad. it may be used to bias the cascode gate of the amplifier. if this port is used, a 1000pf bypass capacitor with the shortest wirebond length possible is recommended to prevent low frequency gain ripple. 3 vto the output drain termination pad. this pad requires a suggested 1000pf bypass capacitor with the shortest wirebond length to prevent low frequency gain ripple. the value of the external capacitance limits the low frequency response of the amplifier. 4 rfout and vdd rf output. 50 microstrip transmission line on 0.127mm (5mil) thick alumina thin film substrate is recommended for rf input and output. connect the dc bias (v dd ) network to provide drain current (i dd ). 5 vcas provides vg2 gate voltage to the cascode amplifier. the value is ~ (v cc /2 C absolute value of vti). 6 vg21 not connected. 7 vti input gate voltage, used to bias the amplifier. the value is between - 1.5v dc (device is pinched off) to +0.2v dc (fully on). this pad requires a bypass capacitor to ground with the shortest possible wirebond length to prevent low frequency gain ripple. the value of the external capacitance limits the low frequency response of the amplifier. die gnd ground connection. connect die bottom directly to ground plane for best performance. note: the die should be connected directly to the ground plane with conductive epoxy.
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 140127 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents or other rights of third parties resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. 7 of 7 sda - 1000 assembly diagram measurement technique all specifications and typical performances reported in this document were measured in the following manner. data was taken using a temperature controlled probe station utilizing 150m pitch gsg probes. the interface between the probes and integrate d circuit was made with a coplanar to microstrip ce ramic test interface. the test interface was then wire bonded to the die as shown in the figure below using 1mil diameter bondwires. the spacing between the test interface and the die was 200m, and the bond wire loop height was 100m. the thickness of the test interface is 125m (5mil). the calibration of the test fixture included the probes and test interfaces, so that the measurement reference plane was at the point of bond wire attachment. therefore, all data represents the integrated circuit and accomp anying bond wires.
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