page 1 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com digital step attenuator case style: dg983-2 the big deal ? wideband, operates up to 2.5 ghz ? glitchless attenuation transitions ? high ip3, 52 dbm product overview the dat-15575a+ series of 75 ? digital step attenuators provides adjustable attenuation from 0 to 15.5 db in 0.5 db steps. the control is a 5-bit serial/parallel interface, and the attenuators operate with either single positive or dual (positive and negative) supply voltage. dat-15575a+ series models are produced by a unique cmos process on silicon, offering the performance of gaas with the advantages of conven - tional cmos devices. feature advantages wideband operation, specifed from 1mhz to 2.5 ghz can be used in multiple applications such as various versions of docsis, satellite and defense, reducing part count. serial or parallel interface models available with serial or parallel interface mode to suit customer demand. good vswr, 1.3:1 typ. eases interfacing with adjacent components and results in low amplitude ripple. single positive supply models: (model suffxes: -sp+ and Cpp+) +2.3 to +3.6v+ use of single positive supply simplifes power supply design. an internal negative voltage generator supplies the desired negative voltage. single positive supply results in excellent spurious performance, -140 dbm typical. dual supply models: (model suffxes: -sn+ and Cpn+) +2.7 to +3.6v (positive) and -3.6 to -3.2v (negative) dual supply provides spurious-free operation. it also allows fast switching up to 1 mhz (vs. 25 khz for single supply). useable over a wide range of supply volt - ages, +2.3/2.7 to 5.2v wide range fo positive operating voltages allows the dat-15575a+ series of models to be used in a wide range of applications. see application note an-70-032 for operation above +3.6v footprint compatible to dat-15575-xx+ series (xx=sn/sp/pn/pp) can ft into existing footprint and provide wideband performance, to 2.5 ghz instead of 2.0 ghz. glitchless attenuation transitions, 0.26 typical compared to previous generation of digital attenuatiors which is a vast improvement. dat-15575a series key features 75 ? 0 to 15.5 db, 0.5 db step 1mhz to 2.5 ghz surface mount
page 2 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com product features ? dual supply (positive & negative) voltages ? immune to latch up ? glitchless attenuation transitions ? excellent accuracy, 0.1 db typ ? serial control interface ? low insertion loss ? high ip3, +55-69 dbm ? excellent return loss, 18 db typ. ? very low dc power consumption ? small size 4.0 x 4.0 mm typical applications ? docsis 3.1 ? portable wireless ? fiber cpe and infrastructure ? mmds & wireless lan ? satellite cpe and infrastructure ? unii & hiper lan ? power amplifer distortion canceling loop general description the DAT-15575A-SN+ is a 75 ? rf digital step attenuator that offers an attenuation range up to 15.5 db in 0.5 db steps. the control is a 5-bit serial interface, operating on dual (positive and negative) supply voltages. the DAT-15575A-SN+ is produced using a unique cmos process on silicon, offering the performance of gaas, with the advantages of conventional cmos devices. digital step attenuator 15.5 db, 0.5 db step 5 bit, serial control interface, dual supply voltages 75 ? 1-2500 mhz simplifed schematic DAT-15575A-SN+ case style: dg983-2 rev. or m155582 DAT-15575A-SN+ rs/cp 160908 digital serial control rf input 8db 4db 2db 1db 0.5db rf out +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
page 3 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com 1. i. loss values are de-embedded from test board loss (test boards insertion loss: 0.10db @100mhz, 0.40db @1200mhz, 0.55db @2000mhz, 0.75db @4000mhz). 2. for operation above +3.6v see application note, an-70-032 3. 0v during power-up. switching specifcations parameter min. typ. max. units switching speed, 50% control to 0.5db of attenuation value 0.4 0.7 sec switching control frequency 1.0 mhz dc electrical specifcations parameter min. typ. max. units v dd s dd s ss s ss s 0 20 40 60 80 100 120 5 50 500 5000 iip2 (dbm) frequency (mhz) 0 db 31.5 db figure 1. ip2 vs. frequency and attenuation rf electrical specifcations, 1-2500 mhz, t amb =25c, v dd =+3v, v ss =-3.2v, 75 ? parameter freq. range (ghz) min. typ. max. units accuracy @ 0.5 db attenuation setting 0.001-1.2 0.03 0.17 db 1.2-2.0 0.05 0.18 2.0-2.5 0.1 0.19 accuracy @ 1 db attenuation setting 0.001-1.2 0.03 0.18 db 1.2-2.0 0.1 0.20 2.0-2.5 0.1 0.23 accuracy @ 2 db attenuation setting 0.001-1.2 0.07 0.21 db 1.2-2.0 0.15 0.26 2.0-2.5 0.15 0.31 accuracy @ 4 db attenuation setting 0.001-1.2 0.05 0.27 db 1.2-2.0 0.15 0.36 2.0-2.5 0.2 0.47 accuracy @ 8 db attenuation setting 0.001-1.2 0.1 0.39 db 1.2-2.0 0.24 0.60 2.0-2.5 0.35 0.79 insertion loss 1 @ all attenuator set to 0db 0.001-1.2 1.2 1.8 db 1.2-2.5 1.6 1.9 vswr 0.001-1.2 1.3 :1 1.2-2.5 1.4 input ip3 (at min. and max. attenuation) .005-2.5 55-69 dbm input ip2 .005-2.5 see fig. 1 dbm input power @ 0.2db compression (at min. and max. attenuation) 0.030-2.5 +30 dbm input operating power 1 mhz to 30 mhz see fig. 2 dbm >30 mhz +24 thermal resistance (junction to case) 25 c/w 4. permanent damage may occur if any of these limits are exceeded. 5. operation between max operating and absolute max input power will result in reduced reliability. absolute maximum ratings 4 parameter ratings operating temperature -40c to 105c storage temperature -65c to 150c v dd ss DAT-15575A-SN+ digital step attenuator
page 4 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com function pin number description n/c 1 not connected (note 8) rf in 2 rf in port (note 1) data 3 serial interface data input (note 3) clock 4 serial interface clock input le 5 latch enable input (note 2) v dd 6 power supply n/c 7 not connected (note 7) n/c 8 not connected v dd 9 power supply gnd 10 ground connection gnd 11 ground connection v ss 12 negative supply voltage v dd 13 power supply rf out 14 rf out port (note 1) c8 15 control for attenuation bit, 8 db (note 4) c4 16 control for attenuation bit, 4 db (note 4) c2 17 control for attenuation bit, 2 db (note 4) gnd 18 ground connection c1 19 control for attenuation bit, 1 db (note 4) c0.5 20 control for attenuation bit, 0.5 db (note 4, 7) gnd paddle paddle ground (note 5) pin description 2 x 2 m m p a d d l e g r o u n d 1 2 3 4 5 6 7 8 9 1 0 1 3 1 1 1 2 1 4 1 5 2 0 1 9 1 8 1 7 1 6 v d d g n d v s s r f o u t c 8 d a t a l e c l o c k r f i n n / c v d d n / c n / c g n d v d d g n d c 1 c 0 . 5 c 4 c 2 pin confguration (top view) device marking mcl pin 1 index ds75 figure 2. max input power vs. frequency. pulsed power: 5% duty cycle, 4620 s period 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 1.0 10.0 100.0 1000.0 input power (dbm) frequency (mhz) absolute max power max operating-pulsed (>= 30 mhz) max operating -cw & pulsed (< 30 mhz) max operating - cw ( 30 mhz) notes: 1. both rf ports must be held at 0vdc or dc blocked with an external series capacitor. rf in and rf out are interchageable. 2. latch enable (le) has an internal 2m : pull-up resistor to v dd . 3. place a 10k : resistor in series to be compattible with previous generation of models. 10k ? can be omiited in new designs. 4. refer to power-up control settings. 5. the exposed solder pad on the bottom of the package (see pin configuration) must be grounded for proper device operation. 6. n/a 7. this pin has internal 1m ? short resistor to ground. 8. place 10k ? resistor to ground externally. DAT-15575A-SN+ digital step attenuator
page 5 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com the serial interface is a 5-bit serial in, parallel-out shift register buffered by a transparent latch. it is controlled by three cmos-compatible signals: data, clock, and latch enable (le). the data and clock inputs allow data to be serially entered into the shift register, a process that is independent of the state of the le input. the le input controls the latch. when le is high, the latch is transparent and the contents of the serial shift register control the attenuator. when le is brought low, data in the shift register is latched. the shift register should be loaded while le is held low to prevent the attenuator value from changing as data is entered. the le input should then be toggled high and brought low again, latching the new data. the timing for this operation is defned by figure 3 (serial interface timing diagram) and table 2 (serial interface ac characteristics). simplifed schematic figure 3: serial interface timing diagram table 2. serial interface ac characteristics symbol parameter min. max. units f clk serial data clock frequency (note 1) 10 mhz t clkh serial clock high time 30 ns t clkl serial clock low time 30 ns t lesup le set-up time after last clock falling edge 10 ns t lepw le minimum pulse width 30 ns t sdsup serial data set-up time before clock rising edge 10 ns t sdhld serial data hold time after clock falling edge 10 ns note 1. fclk verifed during the functional pattern test. serial programming sections of the functional pattern are clocked at 10mhz to verify fclk speci - fcation. the DAT-15575A-SN+ serial interface consists of 5 control bits that select the desired attenuation state, as shown in table 1 : truth table table 1. truth table attenuation state c8 c4 c2 c1 c0.5 reference 0 0 0 0 0 0.5 (db) 0 0 0 0 1 1 (db) 0 0 0 1 0 2 (db) 0 0 1 0 0 4 (db) 0 1 0 0 0 8 (db) 1 0 0 0 0 15.5 (db) 1 1 1 1 1 note: not all 32 possible combinations of c0.5 - c8 are shown in table digital serial control rf input 8db 4db 2db 1db 0.5db rf out le cl o c k dat a lsb msb t lesup t sdsup t l lepw t sdhld DAT-15575A-SN+ digital step attenuator
page 6 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com the DAT-15575A-SN+, uses a common 5-bit serial word format, as shown in table 3 : 5-bit attenuator se - rial programming register map. the bit b4, corresponds to the 8-db step and the last bit, the lsb, corresponds to the 0.5 db step. the DAT-15575A-SN+ always assumes a specifable attenuation setting on power-up, allowing a known at - tenuation state to be established before an initial serial control word is provided. when the attenuator powers up, the fve control bits are set to whatever data is present on the six data inputs (c0.5 to c8). this allows any one of the 32 attenuation settings to be specifed as the power-up state. power-up control settings table 3. 6-bit attenuator serial programming register map b5 b4 b3 b2 b1 b0 0 c8 c4 c2 c1 c0.5 msb (frst in) lsb (last in) DAT-15575A-SN+ digital step attenuator
page 7 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com tb-343 evaluation board schematic diagram tb-343 bill of materials n1-n6, n11, n12, n15, n18 resistor 0603 10 kohm +/- 1% n10, n16, n17, n20 npo capacitor 0603 100pf +/- 5% n21 tantalum capacitor 0805 100nf +/- 10% n19 hex invert schmitt trigger msl1 note 1: both rf ports must be held at 0vdc or dc blocked with an external series capacitor. see note 1 see note 1 **n12 can be reduced to 0 ohms DAT-15575A-SN+ digital step attenuator
page 8 of 8 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com esd rating human body model (hbm): class 1c (1000 to <2000v) in accordance with mil-std-883 method 3015 (pass 1500v). charge device model (cdm): class c3 (>1000v) per jesd22-c101f msl rating moisture sensitivity: msl1 in accordance with ipc/jedec j-std-020d performance data data table swept graphs s-parameter (s2p files) data set (.zip fle) case style dg983-2 plastic package, exposed paddle, lead fnish: nipdau tape & reel f87 standard quantities available on reel 7 reels with 20, 50, 100 or 200 devices 13 reels with 3k devices suggested layout for pcb design pl-202 evaluation board tb-343 environmental ratings env33t1 additional detailed technical information additional information is available on our dash board. to access this information click here msl test flow chart additional notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp visual inspection electrical test sam analysis refow 3 cycles, 260c soak 85c/85rh 168 hours bake at 125c, 24 hours visual inspection electrical test sam analysis start finish DAT-15575A-SN+ digital step attenuator
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