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LC75345M Dataheets PDF



Part Number LC75345M
Manufacturers Sanyo Electric
Logo Sanyo Electric
Description Electronic Volume Control System on-Chip
Datasheet LC75345M DatasheetLC75345M Datasheet (PDF)

Ordering number : ENN6868 CMOS IC LC75345M Electronic Volume Control System on-Chip Overview The LC75345M is an electronic volume system that can control the volume, balance, 2-band equalizer, super bass, and input switching functions by serial data input. Functions • Volume: 0 dB to –78 dB (1-dB step) and –∞ (64 positions) 0 dB to –50 dB (1-dB step), –50 dB to –70 dB (2-dB step), –70-dB to –78 dB (4-dB step) Balance function with separate L/R control • Treble: ±10-dB control in 2-dB steps is .

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Ordering number : ENN6868 CMOS IC LC75345M Electronic Volume Control System on-Chip Overview The LC75345M is an electronic volume system that can control the volume, balance, 2-band equalizer, super bass, and input switching functions by serial data input. Functions • Volume: 0 dB to –78 dB (1-dB step) and –∞ (64 positions) 0 dB to –50 dB (1-dB step), –50 dB to –70 dB (2-dB step), –70-dB to –78 dB (4-dB step) Balance function with separate L/R control • Treble: ±10-dB control in 2-dB steps is possible. Shelving characteristic. • Bass: ±10-dB control in 2-dB steps is possible. Peaking characteristics. • Super bass: +10-dB control in 2-dB steps is possible. Peaking characteristics. • Selector: 5 input signals can be selected both for L and R • Input gain: 0 dB to +30 dB (2-dB step) amplification is possible for the input signal. • General-purpose amp (ATT): 2 on-chip general-purpose amplifiers Features • On-chip buffer amplifier cuts down number of external components • Low switching noise generated by on-chip switch due to use of silicon gate CMOS process • On-chip reference voltage circuit for analog ground • Controls performed with serial data input (CCB) Package Dimensions unit: mm 3263-MFP36SDJ (375 mil) [LC75345M] 15.2 36 19 1 0.8 (0.8) 0.3 18 0.25 0.1 (2.25) 7.9 2.45max 10.5 0.65 SANYO: MFP36SDJ (375 mil) • CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO. Any and all SANYO 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 representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 20901RM (OT) No. 6868-1/22 Pin Assignment DI 1 CE 2 VSS 3 LOPOUT 4 LINM 5 LINP 6 LOUT 7 LSB 8 LBASS2 9 LBASS1 10 LTRE 11 LVRIN 12 LSEL0 13 L5 14 L4 15 L3 16 L2 17 L1 18 LC75345M LC75345M 36 CL 35 VDD 34 ROPOUT 33 RINM 32 RINP 31 ROUT 30 RSB 29 RBASS2 28 RBASS1 27 RTRE 26 RVRIN 25 RSEL0 24 R5 23 R4 22 R3 21 R2 20 R1 19 Vref No. 6868-2/22 2.2 µF PA LINP LINM LOPOUT VSS CE DI CL VDD ROPOUT RINM RINP 2.2 µF PA Sample Application Circuit LC75345M µCOM 6 5 4 3 2 1 36 35 34 33 32 LOUT 7.6 kΩ f0 = 100 Hz 0.1 µF 0.1 µF 7 8 LSB 7.6 kΩ f0 = 100 Hz LBASS2 9 0.1 µF 0.1 µF 10 LBASS1 2700 pF LTRE 11 LVRIN 12 1 µF 13 LSEL0 LVref Control circuit Logic circuit Control circuit RVref CCB interface ROUT 31 0.1 µF 30 0.1 µF 7.6 kΩ f0 = 100 Hz RSB RBASS2 29 0.1 µF 0.1 µF 7.6 kΩ 28 f0 = 100 Hz RBASS1 27 RTRE 2700 pF 26 RVRIN 1 µF 25 RSEL0 1 µF L5 1 µF L4 1 µF L3 1 µF L2 1 µF L1 22 µF Vref 1 µF R1 1 µF R2 1 µF R3 1 µF R4 1 µF R5 14 15 16 17 18 19 20 21 22 23 24 Note: When a general-purpose amp is not used, leave the LINP (RINP) open and connect the LINM (RINM) with the LOPOUT (ROPOUT). No. 6868-3/22 LC75345M Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Maximum supply voltage Maximum input voltage Symbol VDD max VIN max Pin Name VDD CE, DI, CL L1 to L5, R1 to R5, LVRIN, RVRIN, LINP, RINP, LINM, RINM Allowable power dissipation Pdmax Operating temperature Storage temperature Topr Tstg Conditions *1 Ta ≤75°C, independent IC Ratings 10.5 –0.3 to 10.5 VSS – 0.3 to VDD + 0.3 520 –30 to +75 –40 to +125 Unit V V V mW °C °C Allowable Operating Ranges at Ta = –30 to +75°C, VSS = 0 V Parameter Supply voltage Input high-level voltage Input low-level voltage Input amplitude voltage Input pulse width Setup time Hold time Operating frequency Symbol Pin Name VDD VIH VDD CL, DI, CE VIL CL, DI, CE VIN tøW tsetup thold fopg L1 to L5, R1 to R5, LVRIN, RVRIN, LINP, RINP, LINM, RINM CL CL, DI, CE CL, DI, CE CL Conditions 7.5 ≤ VDD ≤ 9 4.5 ≤ VDD ≤ 7.5 min 4.5 2.0 VSS VSS Ratings typ VSS 1 1 1 max 9 9 0.8 0.3 Unit V V V VDD Vp-p µs µs µs 500 kHz Electrical Characteristics at Ta = 25°C, VDD = 8 V, VSS = 0 V Input block Parameter Maximum input gain Step resolution Input resistance Clipping level Output load resistance Symbol Pin Name Ginmax Gstep Rin Vcl Rl L1, L2, L3, L4, L5 R1, R2, R3, R4, R5 LSEL0, RSEL0 LSEL0, RSEL0 Conditions THD = 1.0%, f = 1 kHz Ratings Unit min typ max +30 dB +2 dB 50 kΩ 2.50 10 Vrms kΩ Volume block Parameter Input resistance Symbol Pin Name Rin LIN, RIN Conditions Ratings Unit min typ m.


LC7534M LC75345M SN74LS491A


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