Ordering number : EN8219A Monolithic Linear IC LA9247T CD-ROM Digital Servo RF IC Overview The LA9247T is a CD-ROM digital servo RF IC that supports speeds up to 52×. Functions • RF amplifier (with AGC), RF gain amplifier (supports playback of CD-RW discs). • RF equalizer circuit (with 7 modes), RF hold function. • PH/BH detection, FE amplifier, REFL amplifier, TE amplifier. • Servo signal VCA circuit (balance adjustment, SGC adjustment), midpoint servo (CSS) amplifier. • APC circuit (with laser power amplifier function), sleep function. Specifications Maximum Ratings at Ta = 25°C, Pin 4, 31 = GND Parameter Maximum supply voltage Allowable power dissipation Symbol Conditions Ratings Unit VCC max 7.0 V Pd max 300 mW Operating temperature Topr -25 to +70 °C Storage temperature Tstg -40 to +150 °C Ratings Unit Operating Conditions at Ta = 25°C, Pin 4, 31 = GND Parameter Symbol Recommended operating voltage VCC Allowable operating voltage range VCC op Conditions 5.0 V 4.5 to 5.5 V Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein. 92706 / O2505 MS OT B8-7032, B8-7124 No.N8219-1/6 LA9247T Operating Characteristics at Ta = 25°C, VCC (pin 23, 34) = 5V, VCC3 (pin 6) = 3.3V, GND (pin 4, 31) = 0 V Parameter Symbol Ratings Conditions min Current drain Current drain (sleep mode) ICC ICCS typ Unit max No signal 24 36 48 mA No signal, EQS = 0V 1.5 5 8.5 mA Reference voltage VR 2.3 2.5 2.7 V Reference voltage VR2 1.5 1.65 1.8 V -120 0 120 mV 1.6 1.9 2.2 V 0 2.5 5.0 dB dB Preamp offset RFAOost The difference with VR for RFAO RF no signal voltage RFSM RFIN = VR RF gain (min) RFG1 GHS = 0V RF gain (max) RFG2 GHS = 0V RF gain (UP) RFRW GHS = 3.3V RFEQ - normal RFEQN RFEQ-CAV1 14.5 16.5 18.5 +10.5 +14.0 +17.5 dB The difference in RFSM when RFIN is 100mVp-p, f = 1MHz and 100mVp-p, f = 100kHz. EQS = 3.3V +0.5 +2.75 +5.0 dB RFEQ1 The difference in RFSM when RFIN is 100mVp-p, f = 2.4MHz and 100mVp-p, f = 100kHz. EQS = 2.7V +0.5 +2.75 +5.0 dB RFEQ-CAV2 RFEQ2 The difference in RFSM when RFIN is 100mVp-p, f = 4.3MHz and 100mVp-p, f = 100kHz. EQS = 2.2V +0.5 +2.75 +5.0 dB RFEQ-CAV3 RFEQ3 The difference in RFSM when RFIN is 100mVp-p, f = 8MHz and 100mVp-p, f = 100kHz. EQS = 1.8V +0.5 +2.75 +5.0 dB RFEQ-CAV4 RFEQ4 The difference in RFSM when RFIN is 100mVp-p, f = 12MHz and 100mVp-p, f = 100kHz. EQS = 1.5V +0.5 +2.75 +5.0 dB RFEQ-CAV5 RFEQ5 The difference in RFSM when RFIN is 100mVp-p, f = 24MHz and 100mVp-p, f = 100kHz. EQS=1.1V +0.5 +2.75 +5.0 dB RFEQ-CAV6 RFEQ6 The difference in RFSM when RFIN is 100mVp-p, f = 35MHz and 100mVp-p, f = 100kHz. EQS = 0.7V +0.5 +2.75 +5.0 dB RF hold RFHLD RFIN: 1.5Vp-p, f = 100kHz, RHLD = 3.3V PH BH ∆BHL PH BH -11.0 -8.5 dB 0.65 0.9 1.15 V RFIN = VR 0.65 0.9 1.15 V ∆BHL RFIN = VR, ∆BHL = BH (600kHz) - BH (10kHz) -5.5 -3.0 -0.5 dB ∆BHH RFIN = VR, ∆BHH = BH (100kHz) - BH (10kHz) -5.5 -3.0 -0.5 dB -120 0 120 mV 8.5 11 13.5 dB 15.5 18.0 20.5 dB (frequency characteristics) ∆BHH -13.5 RFIN = VR EQS = 2.7V or 3.3V (frequency characteristics) EQS = 2.2V, 1.8V, 1.5V, 1.1V, 0.7V REFL offset REFLost REFL gain 1 REFL1 A, B, C, D = VIN, 10kHz, SGC = 1.3V, FBAL = VR2, GHS = 0V REFL gain 2 REFL2 A, B, C, D = VIN, 10kHz, SGC = 2V, FBAL = VR2, GHS = 0V REFL gain UP REFLGUP The difference with VR2 for REFL +10.5 +14.0 +17.5 dB ∆REFL (frequency characteristics) ∆REFL A, C = VIN, B, D = VR SGC = VR2, FBAL = VR2, GHS = 0V ∆REFL = REFL (100kHz) - REFL (10kHz) GHS = 3.3V -8.5 -6.0 -3.5 dB FE offset FEost The difference with VR2 for FE -120 0 120 mV FE gain 1 FEG1 A, C = VIN, 10kHz, B, D = VR 8.5 11.0 13.5 dB SGC = 1.3V, FBAL = VR2, GHS = 0V FE gain 2 FEG2 A, C = VIN, 10kHz, B, D = VR SGC = 2V, FBAL = VR2, GHS = 0V 15.5 18.0 20.5 dB FE balance 1 FBAL1 A, C = VIN, 10kHz, B, D = VR SGC = VR2, FBAL = 1.3V, GHS = 0V 15.5 18.0 20.5 dB FE balance 2 FBAL2 A, C = VIN, 10kHz, B, D = VR SGC = VR2, FBAL = 2V, GHS = 0V 12.0 14.5 17.0 dB FE gain UP FEGUP +10.5 +14.0 +17.5 dB -8.5 -6.0 -3.5 dB ∆FE (frequency characteristics) ∆FE GHS = 3.3V A, C = VIN, B, D = VR SGC = VR2, FBAL = VR2, GHS = 0V ∆FE = FE (130kHz) - FE (10kHz) Continued on next page. No.N8219-2/6 LA9247T Continued from preceding page. Parameter Symbol Ratings Conditions min TE offset TEost The difference with VR2 for TE TE gain 1 TEG1 E = VIN, 10kHz, F = VR SGC = 1.3V, TBAL = VR2, GHS = 0V typ Unit max -120 0 120 mV 13.0 15.5 18.0 dB TE gain 2 TEG2 E = VIN, 10kHz, F = VR SGC = 2V, TBAL = VR2, GHS = 0V 15.5 18.0 20.5 dB TE balance 1 TBAL1 E = VIN, 10kHz, F = VR SGC = VR2, TBAL = 1.3V, GHS = 0V 15.5 18.0 20.5 dB TE balance 2 TBAL2 E = VIN, 10kHz, F = VR SGC = VR2, TBAL = 2V, GHS = 0V 13.0 15.5 18.0 dB TE gain UP TEGUP GHS = 3.3V +10.5 +14.0 +17.5 dB -8.5 -6.0 -3.5 dB -120 0 120 mV 13.0 15.5 18.0 dB ∆TE ∆TE (frequency characteristics) E = VIN, 10kHz, F = VR2 SGC = VR2, FBAL = VR2, GHS = 0V ∆TE = TE (150kHz) - TE (10kHz) TS offset TSost The difference with VR2 for TS TS gain 1 TSG1 E = VIN, 10kHz, F = VR SGC = VR2, TBAL = VR2, GHS = 0V TS gain 2 TSG2 E = VIN, 10kHz, F = VR SGC = 1.3V, TBAL = VR2, GHS = 0V 9.0 11.5 14.0 dB TS balance 1 TSBAL1 E = VIN, 10kHz, F = VR SGC = VR2, TBAL = 1.3V, GHS = 0V 14.0 16.5 19.0 dB TS balance 2 TSBAL2 E = VIN, 10kHz, F = VR SGC = VR2, TBAL = 2V, GHS = 0V 11.5 14.0 16.5 dB TS gain UP TSGUP +10.5 +14.0 +17.5 dB -8.5 -6.0 -3.5 dB 14.0 16.5 19.0 dB -5.5 -3.0 -0.5 dB 160 190 220 mV 180 230 280 mV 3.9 4.3 5 ∆TS ∆TS (frequency characteristics) GHS = 3.3V E = VIN, F = VR SGC = VR2, FBAL = VR2, GHS = 0V ∆TS = TS (250kHz) - TS (10kHz) CSS gain ∆CSS CSS A, D = VIN, 10kHz, B, C = VR SGC = VR2, FBAL = VR2, GHS = 0V ∆CSS A, D = VIN, B, C = VR SGC = VR2, FBAL = VR2, GHS = 0V (frequency characteristics) ∆CSS = CSS (100kHz) - CSS (10kHz) APC reference voltage 1 LDSL The LDS voltage such that LDD becomes 3V LDON = 0V APC reference voltage 2 LDSH The LDS voltage such that LDD becomes 3V LDON = 3.3V APC off voltage LDD LDON = VR V Package Dimensions unit : mm 3253B No.N8219-3/6 LA9247T Pin Functions Pin No. Symbol 1 BHC I/O RF AGC detection bottom hold capacitor connection Description 2 PHC RF AGC detection peak hold capacitor connection 3 RFAO O RF amplifier output 4 GND1 I RF signal system ground 5 RFIN I Pickup voltage output connection. Inputs the RF addition signal from the pickup. 6 VCC3 I 3.3V system VCC 7 A I Pickup voltage output connection. Generates the FE, REFL, and CSS signals. 8 B I Pickup voltage output connection. Generates the FE, REFL, and CSS signals. 9 C I Pickup voltage output connection. Generates the FE, REFL, and CSS signals. 10 D I Pickup voltage output connection. Generates the FE, REFL, and CSS signals. 11 REFI 12 VREF O Reference voltage output (Vref1 = 2.5V) 13 E I Pickup voltage output connection. Generates the TE and TS signals. Reference voltage bypass capacitor connection 14 F I Pickup voltage output connection. Generates the TE and TS signals. 15 LDD O APC circuit output APC circuit input 16 LDS I 17 VREF2 O 18 REFI2 Reference voltage output (Vref2 = 1.65V) Reference voltage bypass capacitor connection 19 SGC I Servo gain control (FE, TE, TS, and REFL signals) 20 TBAL I TE balance adjustment (TE and TS signals) 21 FBAL I FE balance adjustment (FE signal) 22 LDON I Laser on/off, laser power increase control 23 VCC2 I Servo signal system VCC (5V) 24 GHS I RF and servo signal gain switch (0dB or +14dB) 25 TS O TS signal (used for the TES signal) output (to the DSP) 26 TE O TE signal output (to the DSP) 27 CSS O Center servo signal output (to the DSP) 28 FE O FE signal output (to the DSP) 29 REFL O Reflection signal output (to the DSP) 30 EQS I RF equalizer and PH detection time constant control 31 GND2 I Servo signal system ground RF hold control 32 RHLD I 33 RFSM O EFM signal output (to the DSP) 34 VCC1 I RF signal system VCC (5V) 35 BH O RF bottom hold signal output (to the DSP) 36 PH O RF peak hold signal output (to the DSP) Usage Notes The signal levels of the inputs to the A (pin 7), B (pin 8), C (pin 9), D (pin 10), E (pin 13), and F (pin 14) pins must be set up to be above the reference voltage (VREF). No.N8219-4/6 3 4 5 RFAO GND1 RFIN 11 12 13 14 15 16 REFI VREF E F LDD LDS 18 10 D REFI2 9 C 17 8 B VREF2 7 A 6 2 PHC VCC3 3.3V 1 BHC C P A VREF 1.65V 3.3V 2.5V VREF 5V VREF VREF VREF VREF VREF2 BH PH VREF VREF 7-mode VREF VREF EQ-control VREF2 VREF2 VREF2 VREF PH VREF2 BH 7-mode PH-control 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 SGC TBAL FBAL LDON VCC2 GHS TS TE CSS FE REFL EQS GND2 RHLD RFSM VCC1 BH PH LA9247T Block Diagram ← These symbols indicate the phase relationship. No.N8219-5/6 LA9247T Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. 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Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 2005. Specifications and information herein are subject to change without notice. PS No.8219-6/6