GB3211 preliminary data sheet GB3211 doc.no.20475 - 2 [rev. september 2002] 1 features features features features ? high power applications highly configurable, versatile dsp platform high fidelity multi-channel agc signal processing 95db input dynamic range with hrx? headroom extension fully programmable via serial data interface high performance data converters - dual, over- sampled a/ds; over-sampled d/a with efficient switched-mode output power amp drives zero-bias 2-terminal receivers multiple communication rates up to 85.3kb/s multi-memory internal/external volume control volume control taper determined by external vc 2 memory select pads tri-state memory select operation audible memory change indicator thinstax thinstax thinstax thinstax ? packaging packaging packaging packaging hybrid typical dimensions: 0.227 x 0.125 x 0.060 in (5.76 x 3.18 x 1.52 mm) description description description description the GB3211 hybrid is a programmable dsp system based on a multi-channel compression circuit. this hybrid is designed for low impedance receivers. it can be used as a platform for a wide range of hearing aid applications. it also offers a seperate supply line to the a/d and h-bridge circuits. the reflowable thinstax? packaging enables easy integration into bte applications. this versatile dsp hybrid is capable of multiple configurations and has a wide range of functions. the GB3211 hybrid code programmed into the gc5051 controller chip is ?7?. this data sheet is a part of a set of documents available for this product. please refer to ?getting started with paragon? digital ? information note for a list of other documents. block diagram block diagram block diagram block diagram pgnd fmic mgnd vreg rmic t vc out- out+ ms sda vb interface vc a/d frontwave channel 1 channel 2 channel 3 channel 4 eeprom regulator GB3211 a/d a/d d/a hbridge 205n 60n 13n 70n 70n all resistors in ohms, all capacitors in farads unless otherwise stated. ms2 vbp gnd 8 10 6 9 7 12 5 4 11 13 14 15 1 2 3 power paragon? power paragon? power paragon? power paragon? digital digital digital digital four channel four channel four channel four channel dsp system dsp system dsp system dsp system with with with with f f f f ront ront ront ront w w w w ave ave ave ave ?
20475 - 2 2 GB3211 pad connection pad connection pad connection pad connection absolute maximum rating absolute maximum rating absolute maximum rating absolute maximum rating operating temperature range: -10 c to 40 c storage temperature range: -20 c to 70 c absolute maximum power dissipation: 25mw maximum operating supply voltage: 1.5vdc absolute maximum supply voltage: 2vdc mgnd fmic t ms vb ms2 vbp out+ out- pgnd gnd sda vc rmic vreg 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 electrical characteristics electrical characteristics electrical characteristics electrical characteristics conditions: supply voltage v b = 1.3v; temperature = 25 c parameter symbol conditions min typ max units hybrid current amp see current consumption section - 700 - a minimum operating supply voltage v boff ramp down 0.94 1.0 1.05 v supply voltage turn on threshold v bon ramp up 1.06 1.10 1.16 v supply voltage hysteresis 90 100 110 mv supply voltage during communication v bc during communication 1.19 1.35 1.5 v hybrid current during communication p programming (<5 ms) - 3.7 - ma eeprom burn cycles note 2 100k - cycles low frequency system bandwidth - 125 - hz high frequency system bandwidth - 16 - khz total maximum system gain a v v in = -95 dbv @ 3khz; squelch disabled see note 1. -83- db converter gain a conv a/d + d/a gain. - 29 - db total harmonic distortion thd v in = -40 dbv - - 1 % thd at maximum input thd m v in = -15 dbv, hrx - on - - 3 % clock frequency ? clk 1.945 2.048 2.151 mhz regulator regulator voltage v reg 0.90 0.95 1.00 v regulator supply rejection psrr reg -50- db input input referred noise irn bandwidth 100hz - 8khz - - -106 dbv input impedance z in -16- k ? anti-alias filter rejection (input referred) ? = ? clk -8khz, v in = -40dbv - 80 - db maximum input level --15- dbv input dynamic range hrx - on, bandwidth 100hz - 8khz - 95 - db audio sample rate -32-khz a/d dynamic range bandwidth 100hz - 8khz - 86 - db
gennum corporation 20475 - 2 3 GB3211 output maximum rms output voltage 0dbfs ? = 1khz - -1 - dbv d/a dynamic range bandwidth 100hz - 8khz 80 - - db output impedance z out note 2 - - 20 ? volume control volume control resistance r vc - 200 - k ? volume control range ? a474849db ms input low state lo 0 - v reg /3 v open state z v reg /3 - 2v reg /3 v high state hi 2v reg /3 - v b v ms2 input pull down resistance -1-m ? logic 1 voltage v reg -v b v rising edge threshold 0.5 0.69 0.9 v falling edge threshold 0.25 0.45 0.5 v hysteresis 0.1 0.24 0.4 v sda input logic 0 voltage note 2 0 - 0.3 v logic 1 voltage note 2 1 - 1.3 v sda output standby pull up current 1.4 2 2.6 a sync pull up current 450 500 550 a logic 0 current (pull down) 225 250 275 a logic 1 current (pull up) 225 250 275 a synchronization time (synchronization pulse width) t sync baud = 0 baud = 1 baud = 2 237 118 59 250 125 62.5 263 132 66 s s s note 1: total system gain consists of: wideband system gain + high and low independent channel gains + converter gain total system gain is calibrated during cal/config process. note 2: sample tested. electrical characteristics electrical characteristics electrical characteristics electrical characteristics (continued) (continued) (continued) (continued) conditions: supply voltage v b = 1.3v; temperature = 25 c parameter symbol conditions min typ max units
20475 - 2 4 GB3211 support software support software support software support software all support software for the GB3211 is available from gennum web site www.gennum.com/hip/software/paragon_sw.htm. fig. 1 test circuit fig. 2 sample application circuit interface vc a/d frontwave channel 1 channel 2 channel 3 channel 4 eeprom regulator GB3211 a/d a/d d/a hbridge 205n 60n 13n 70n 70n 8 10 6 9 7 12 5 4 11 13 14 15 1 2 3 3k9 3k9 1k lp filter out v b 200k v b vc ms sda 200k(log) 22 interface vc a/d frontwave channel 1 channel 2 channel 3 channel 4 eeprom regulator GB3211 a/d a/d d/a hbridge 205n 60n 13n 70n 70n ms2 47 12 11 13 14 15 1 2 3 5 8 10 6 9 7 4 knowles or microtronic microphones knowles or microtronic zero-bias receiver
gennum corporation 20475 - 2 5 GB3211 fig. 3 assembly diagram zero biased receiver t-coil front mic + + rear mic + - cs44 ms2 switch vc ms switch (n.o.)
20475 - 2 6 gennum corporation mailing address: p.o. box 489, stn a, burlington ontario, canada l7r 3y3 tel. +1 (905) 632-2996 fax: +1 (905) 632-2814 shipping address: 970 fraser drive, burlington, ontario, canada l7l 5p5 gennum japan corporation c-101, miyamae village, 2-10-42 miyamae, suginami-ku, tokyo 168-0081, japan tel. +81 (3) 3334-7700 fax: +81 (3) 3247-8839 gennum corporation assumes no responsibility for the use of any circuits described herein and makes no representations that th ey are free from patent infringement. ? copyright october 2001 gennum corporation. all rights reserved. printed in canada. GB3211 package dimensions pad locations package dimensions pad locations package dimensions pad locations package dimensions pad locations dimension units are in inches. dimensions in parentheses are in millimetres, converted from inches and include minor rounding errors. 1.0000 inches = 25.400mm dimension tolerances: 0.003 (0.08) unless otherwise stated. work order number: xxxxxx minimum pad size: 0.016 x 0.026 (0.41 x 0.66) this hybrid is designed for either point-to-point manual soldering or for reflow according to gennum's reflow process (information note 521-45). GB3211 0.227 (5.76) 0.125 (3.18) 0.065 max (1.65) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0.022 (0.559) 0.0175 (0.445) pad position pad dimension pad no. xy 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 -1.5 -0.25 -0.25 -1.5 2.75 5.5 75.5 78.25 82.5 81.25 81.25 85.5 82.5 39 mil 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 -31 -63 -95 -127 -159 -191 -191 -159 -127 -95 -63 -30 2 0 0 -0.787 -1.600 -2.413 -3.226 -4.039 -4.851 -4.851 -4.039 -3.226 -2.413 -1.600 -0.762 0.051 0 0 -0.038 -0.006 -0.006 -0.038 0.070 0.140 1.918 1.988 2.0965 2.0638 2.0638 2.172 2.096 0.991 xdim 20 22 22 22 22 22 22 22 22 22 22 22 26 16 20 0.508 0.559 0.559 0.559 0.559 0.559 0.559 0.559 0.559 0.559 0.559 0.559 0.660 0.406 0.508 ydim 29 26 28.5 28.5 26 34.5 40 40 34.5 26 28.5 28.5 24.5 26 29 0.737 0.660 0.724 0.724 0.660 0.876 1.016 1.016 0.876 0.660 0.724 0.724 0.622 0.660 0.737 mm caution electrostatic sensitive devices do not open packages or handle except at a static-free workstation revision notes: tri-state memory switch. for latest product information, visit www.gennum.com document identification preliminary data sheet the product is in a preproduction phase and specifications are subject to change without notice.
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