AN22011A Datasheet (data sheet) PDF





AN22011A Datasheet, 3-Beam MD System Pre-Amplifier

AN22011A   AN22011A  

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www.DataSheet4U.com ICs for MD System AN22011A 3-beam MD system pre-amplifier ■ Overview The AN22011A incorporates such functions as RF signal processing , servo signal processing, ADIP signal processing and laser control. This is a n RF IC that can constitute the MD syst em using 3-beam pick-up in combination with the digital signal processing LSI MN66621. The IC allows us to achieve a considerable low power dissipation as w ell as its low supply voltage operation (VCC = 2.1 V to 3.6 V) due to our intr oduction of digital matrix (PD = 11 mW at VCC = 2.1 V). The IC can be used in a wide range of applications from a sta nd-alone system to a portab

AN22011A Datasheet, 3-Beam MD System Pre-Amplifier

AN22011A   AN22011A  
le system. 36 9.00±0.20 7.00±0.10 25 Unit: mm (0.75) 13 0.50 0.10 M (1.00) 0.15±0.05 37 24 48 (0.75) 0.10 Features • 3-beam system pick-up RF signal processing • Servo signa l processing • Laser power control fu nction • Low supply voltage operation (2.1 V to 3.6 V) • Ultra low power c onsumption (min. 11 mW) • Thin packag e adopted (Mold thickness: 1 mm) Seati ng plane 0° to 8° 0.50±0.10 TQFP048 -P-0707B (Lead-free package) www.DataS heet4U.com ■ Applications • MD pla yer/recorder • Home audio systems/min i systems • Portable audio • Car au dio 0.10+0.10 -0.05 (1.00) 1.20 max. 1 12 0.20±0.05 7.00±0.10 9.00±0.2 0 Publication date: June 2002 SDD0002 4AEB 1 www.DataSheet4U www.DataSheet4 U.com 4U.com www.DataSheet4U.com AN22 011A ■ Block Diagram 2 Microcompute r Servo LSI GND2 36 LDON MONIOFF NRFSTB Y CLV2 Thermistor resistance 35 Switch × 1 BPF × 2 BPF 22 21 20 19 18 Band gap 17 MONIOFF 16 15 AGC 3Tenv Bottom d etector Peak detector 7 5 6 8 9 10 11 1 2 14 13 23 34 33 32 31 30 29 28 27 26 2 5 24 Pickup VREF VREF VREF VCC VREF VR EF 37 Switching signal CLV2 PD 3 tap 3 tap 3 tap VREF A 38 VREF PD B 3 9 PD 3 tap VREF C 40 PD D 41 VRE F 42 VREF VCC PD SW NRFSTBY www.Dat aSheet4U.com SDD00024AEB IV 43 RF2 PD IV 44 RF1 3 tap 3 tap LDON 45 VREF VREF EQ








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