SM8750AV

SM8750AV NIPPON PRECISION CIRCUITS INC. Data Jitter Measurement IC OVERVIEW The SM8750AV is a data jitter measurement CMOS LSI for adaptive control. FEATURES s PINOUT Top view s s s s s s s RDCLK and DATA signal phase difference to voltage converter (75mV/ns (typ) coefficient) RDCLK duty auto-adjust function (rising edge reference) DATA signal delay auto-adjust function (independently adjusted on rising and falling edges) Offset auto-calibration function 3-wire serial interface mode control Sleep function Single 5V supply 16-pin VSOP START DATA CALMON RDCLK LIMIT SENB SCLK SDATA 1 16 VDD TVOUT VREF2 RCP RDUTY RDATAF RDATAR 875 0 A V APPLICATIONS s 8 9 GND s Optical disc equipment CD-R CD-RW DVD-RAM Others Control/governing equipment PACKAGE DIMENSIONS Unit: mm ORDERING INFORMATION D e vice S M 8 7 5 0 AV P ackag e 16-pin V S O P + 0.10 0.15 − 0. 05 4.4 ± 0.2 6.4 ± 0.2 1.15 ± 0.1 0.10 ± 0.05 0.275typ 5.1 ± 0.2 0 to 10 0.65 0.10 + 0.1 0.22 − 0.05 0.12 M NIPPON PRECISION CIRCUITS—1 0.5 ± 0.2 SM8750AV BLOCK DIAGRAM DATA START VDD TVOUT VDD 47k CALMON Phase comparator Charge pump output buffer (phase difference to voltage converter) VREF2 RCP 33k RDUTY 22k RDCLK LIMIT SENB to each block Serial interface Delay correction RDATAF 39k Automatic regulation controller Duty correction SCLK SDATA GND RDATAR 39k PIN DESCRIPTION Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Name S TA R T D ATA CALMON RDCLK LIMIT SENB SCLK S D ATA GND R D ATA R ...