AZ3267 2.5gbps transimpedance amplifier 1630 s. stapley dr., suite 125 ? mesa, arizona 85204 ? usa ? (480) 962-5881 ? fax (480) 890-2541 www.azmicrotek.com arizona microtek, inc. features ? 1900 mhz bandwidth ? 1 ma input overload ? 11 pa/hz 1/2 noise density ? single 3.0v to 3.6v or 4.5v to 5.5v supply ? internal dc restoration capacitor ? direct replacement for max3267 description the AZ3267 is a transimpedance amplifier for 2.5gbps fi ber optic receivers. the part operates from a single 3.0v to 3.6v or 4.5v to 5.5v supply. photodiode bias is provided via a 1.5k ? resistor from v cc . dc restoration is built in, with no external compensation capacitor required. the dc restoration can be disabled for testing by pulling the filter pin to ground potential. if the part is operated using the v cc5 supply pin, the v cc pin should be bypassed to ground with a capacitor of at least 0.1 f. package availability package part no. marking die AZ3267 n/a pad description name function v cc supply voltage 3.0 to 3.6v v cc5 supply voltage 4.5 to 5.5v in photodiode input filter bias voltage via 1.5k ? resistor gnd ground out- inverting output out+ noninverting output block diagram in 1.5 k out+ out- v cc5 v cc filter gnd
AZ3267 march 2002 * rev - 3 www.azmicrotek.com 2 absolute maximum ratings are those values beyond which device life may be impaired. symbol character value unit v cc2 dc supply voltage (referenced to gnd) 6.0 v t a operating temperature range (in free-air) -40 to +85 c t stg storage temperature range -65 to +150 c in current 3 ma filter current 3 ma electrical characteristics (v cc = 3.0v to 3.6v or v cc5 = 4.5 to 5.5v; 100 ? load between out+ and out-) symbol characteristic min typ max unit condition input bias voltage 0.70 0.81 0.93 v i cc power supply current 21 35 ma transimpedance 1540 1900 2330 ? 40 a p-p input r o output impedance 50 ? per output pin maximum differential output volta ge 185 250 415 mv p-p 1 ma p-p input filter resistor 1220 1500 1860 ? ac input overload 1.0 ma p-p dc input overload 0.65 ma input referred noise density 11 pa/hz ? small signal bandwidth 1530 1900 2420 mhz 40 ua p-p low frequency cutoff 44 khz -3 db, input 40 ua p-p power supply rejection ratio 50 db output referred, f < 2 mhz 1355-002 out- out+ gnd gnd vcc vcc5 in filter die size: 1260 x 800 m pad size: 85 x 85
AZ3267 march 2002 * rev - 3 www.azmicrotek.com 3 arizona microtek, inc. reserves the right to change circuitry a nd specifications at any time without prior notice. arizona mic rotek, inc. makes no warranty, representation or guarant ee regarding the suitability of its products for any particular purpose, nor does a rizona microtek, inc. assume any liability arising out of the applica tion or use of any product or ci rcuit and specifically disclaims any and all liability, including without limitation special, consequential or inci dental damages. arizona microtek, inc. does not convey a ny license rights nor the rights of others. arizona microtek, inc. products are not designed, intended or authorized for use as components in systems intended to support or sustain life, or for any other applicati on in which the failure of the arizona microtek, inc. product co uld create a situation where personal injury or death may occur. should buye r purchase or use arizona microtek, inc. products for any such unintended or unauthorized application, buyer shall indemnify a nd hold arizona microtek, inc. a nd its officers, employees, subs idiaries, affiliates, and distributor s harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthori zed use, even if such claim al leges tha t arizona microtek, inc. was negligent regarding the design or manufacture of the part.
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