mitsumi ic for xo MM1424, mm1624 ic for xo monolithic ic MM1424, mm1624 series outline this is a low current consumption, low operating voltage xo ic with colpitz oscillation circuit. smaller size is achieved by the on-chip bias circuit and colpitz oscillation capacitor. features 1. low current consumption. 1.5ma max. (vcc = 2.8v) 2. low power supply operating voltage. vcc = 2.3 to 3.3v 3. on-chip colpitz oscillation capacitor ?on-chip bias resistor. 4. low phase noise. - 140dbc (@1khz) 5. ultra-small package type. package sc-82 (MM1424cuxx) mcsp-4a (MM1424ccxx) wlcsp-4a (mm1624clxx) applications pin assignment 1. crystal oscillators 2. vcxo 3. tcxo mitsumi 12 43 sc - 82 (top view) 1 x'tal 2 gnd 3 v out 4 v cc 14 23 mcsp - 4a (top view) 1 gnd 2 x'tal 3 v cc 4 v out 14 23 wlcsp - 4a (top view) 1 x'tal 2 gnd 3 v out 4 v cc MM1424cuxx MM1424ccxx mm1624clxx
mitsumi ic for xo MM1424, mm1624 mitsumi equivalent circuit diagram 4 v cc 3 v out 1 x'tal 2 gnd 73p 130k 250 830 47k 73p 36p 3 v cc 4 v out 2 x'tal 1 gnd 73p 130k 250 830 47k 73p 36p note : the component values in the schematic circuit diagram are typical. MM1424cuxx MM1424ccxx 4 v cc 3 v out 1 x'tal 2 gnd 73p 130k 330 910 47k 73p 36p mm1624cl
mitsumi ic for xo MM1424, mm1624 mitsumi electrical characteristics (v cc =2.7v, ta=25??, load : 2k ? // 10pf, fosc=26mhz unless otherwise specificd) absolute maximum ratings (ta=25?) recommended operating conditions pin description item symbol ratings unit storage temperature t stg - 40~+125 ? operating temperature t opr - 30~+80 ? supply voltage v cc max. 5.5 v input voltage v in max. 0 < = v in < = v cc v 150(MM1424cuxx) power dissipation pd 180(MM1424ccxx) * mw 220(mm1624clxx) * item symbol ratings unit operating temperature t opr - 30~+80 ? supply voltage v op 2.3~3.3 v operating frequency f opr 10~26 mhz note * : assembled on pc board. pc board dimensions : 80 20mm, t=0.8mm, (MM1424ccxx) material : glass epoxy 110 40mm, t=0.8mm, 4 stratum (mm1624clxx) note * : the definition of the operation at the recommended operating conditions is to oscillate. item symbol measurement conditions min. typ. max. unit current consumption icc v cc =2.8v 1.3 1.5 ma output frequency f o * 1 - 30 0 30 ppm output voltage v out v cc =2.6v 0.8 1.05 v duty ratio duty v cc =2.6~2.8v * 2405060% negative resistance * 3 r n v in =0.1vrms, 26mhz - 100 - 150 ? frequency stability-supply voltage variation * 3 f - v cc v cc =2.7v?.1v - 0.2 0 0.2 ppm frequency stability-load variation * 3 f - l o r l =2k ? ?0% c l =10pf?0% - 0.3 0 0.3 ppm note1 * 1 : output frequency satisfies the results measured by the correlation test boxes. note2 * 2 : duty ratio is measured at the center of vp-p. note3 * 3 : the items of * 3 are only guaranteed by the desigh of the circuit. pin no pin name functions MM1424cuxx MM1424ccxx mm1624clxx 12 1 x'tal x'tal pin 21 2 gnd gnd 34 3 v out output pin 43 4 v cc supply voltage
mitsumi ic for xo MM1424, mm1624 mitsumi ?this load capacity (10pf) contains a capacity of a probe. measuring circuit v cc a MM1424 43 12 10000pf 10000pf 10pf 10pf tp 47 ? 2k ? x'tal 26mhz v cc a MM1424 34 21 10000pf 10000pf 10pf 10pf tp 47 ? 2k ? x'tal 26mhz v cc a mm1624 43 1 2 10000pf 10000pf 10pf 10pf tp 47 ? 2k ? x'tal 26mhz MM1424cuxx MM1424ccxx mm1624clxx ?this load capacity (10pf) contains a capacity of a probe. ?this load capacity (10pf) contains a capacity of a probe.
mitsumi ic for xo MM1424, mm1624 mitsumi circuit diagram which is to measure the negative resistance. tp v cc MM1424 43 12 10000pf 10000pf 1 f 10pf v in 2k ? 0.1vrms 26mhz sine wave tp v cc MM1424 3 4 21 10000pf 10000pf 1 f 10pf v in 2k ? 0.1vrms 26mhz sine wave tp v cc mm1624 4 3 12 10000pf 10000pf 1 f 10pf v in 2k ? 0.1vrms 26mhz sine wave MM1424cuxx MM1424ccxx mm1624clxx
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