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| ICs for Audio Common Use AN7333S 4-Element Graphic Equalizer IC for Radio/Radio Cassette Recorder I Overview The AN7333S is an integrated circuit for 4element graphic equalizers most suitable for radio cassette / portable component stereo equipment. 2-channel 4-element graphic equalizer can be configured by applying frequency setting capacitors and variable resistors externally. Non-step adjustment of the boost and the cutting quantitiy is possible by variable resistors. 0.40.25 0.45 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 Unit: mm 0.10.1 * The resonance frequency can be freely set by optional selection of the capacitor capacitance. * Low distortion rate: THD = 0.04% (VCC = 5 V) * Wide dynamic range: VO = 800 mV[rms] (at Boost THD = 1%) * Low noise level: Vno = 10 V (VCC = 5V) 0.3 7.20.3 9.40.3 SOP024-P-0375A Note) The package of this product will be changed to lead-free type (SOP024-P-0375C). See the new package dimensions section later of this datasheet. I Block Diagram GND 24 23 22 21 20 19 18 17 16 15 14 1 VCC 2 3 4 5 6 7 8 9 10 11 0.15 0.925 13 12 2.00.2 I Features 15.30.3 1.27 Publication date: December 2001 SDC00022BEB 1 AN7333S I Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Description Power supply Non inverting input Inverting input Output Negative feedback Input pin Negative feedback Input pin Negative feedback Input pin Negative feedback Input pin Pin No. 13 14 15 16 17 18 19 20 21 22 23 24 Input pin Negative feedback Input pin Negative feedback Input pin Negative feedback Input pin Negative feedback Output Inverting input Non inverting input GND Description I Absolute Maximum Ratings Parameter Supply voltage Supply current Power dissipation Operating ambient temperature *1 Storage temperature *1 Symbol VCC ICC PD Topr Tstg Rating 14.4 30 432 -20 to +75 -55 to +125 Unit V mA mW C C Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. I Recommended Operating Range Parameter Supply voltage Symbol VCC1, VCC2 Range 4 to 14 Unit V I Electrical Characteristics at VCC = 5 V, Ta = 25C Parameter Total circuit current Voltage gain Boost quantity Cut quantity Total harmonic distortion Output noise voltage Crosstalk Symbol Itot GV Boost Cut THD Vno CT VIN = 0 mV f = 1 kHz, VO = -10 dBV VO = -20 dBV is set to 0 dBV VO = -20 dBV is set to 0 dBV f = 1 kHz, VO = -20 dBV Rg = 0 , Total Flat, DIN/AUDIO f = 1 kHz, Rg = 0 ,Total Flat, VO = -20 dBV Conditions Min Typ 7.5 -1.5 9.5 -9.5 0.04 10 12 Max Unit mA dB dB dB % V V 2 SDC00022BEB AN7333S I Terminal Equivalent Circuits Pin No. 1 Equivalent circuit Description Power supply: Supply pin Non inverting input: Output buffer circuit non-inverting input pin 2 3 VCC Pin voltage (V) 5 2 23 In 1 V 2 CC 3 22 Inverting input: Output buffer circuit inverting input pin Center electric potential 4 21 3 4 VCC Out Output: Output buffer output pin Center electric potential 5, 7, 9, 11, 14, 16, 18, 20 In 22 6 5 VCC Negative feedback: Resonance circuit negative feedback pin Center electric potential 6, 8, 10, 12, 13, 15, 17, 19 Input pin: Resonance circuit input pin Center electric potential 24 GND pin: 0 SDC00022BEB 3 AN7333S I Main Characteristics THD VCC 0.3 [+30C] fO = 1 kHz VIN = -20 dB THD VO 1.6 1.4 1.2 1.0 Cut 0.8 0.6 0.4 0.2 0 -40 Boost VCC = 5 V fO = 1 kHz ) Total harmonic distortion THD ( 0.2 Boost 0.1 Cut Flat 0 0 5 10 15 20 Total harmonic distortion THD ( ) Flat -30 -20 -10 0 10 Supply voltage VCC (V) Output voltage VO (dBV) Frequency characteristics 14 12 10 8 6 4 2 0 -2 -4 -6 -8 -10 -12 -14 10 30 100 300 1k 3k 10k Flat Boost Response in (dB) Cut 30k 100k Frequency (Hz) 4 SDC00022BEB AN7333S I Application Circuit Example In 2 4.7 k 10 F 50 k VR 10 F 0.0047 F 50 k VR Out 2 10 k 50 k VR 50 k VR 50 k VR 0.68 F 0.056 F 24 23 22 21 20 19 18 0.22 F 0.018 F 17 16 0.068 F 0.0056 F 15 14 0.022 F 0.0018 F 13 0.012 F 470 AN7333S 1 VCC 2 3 4 5 6 0.056 F 0.68 F 7 8 0.018 F 0.22 F 50 k VR 9 10 11 12 0.0018 F 0.022 F 50 k VR 0.0056 F 0.068 F 50 k VR 50 k VR 50 k VR 10 F 4.7 k 10 F 0.0047 F 10 k Out 1 0.012 F 470 Note) VR is B or G type. * Resonant frequency fo In 50 k VR 6.8 k R1 = 1 k C1 C2 R2 = 60 k fO = 1 2 C1 x C2 x R1 x R2 Out (Internal resistance: R1 = 1 k, R2 = 60 k) * Internal resistance: As R1 and R2 of internal resistors are common in each oscillation circuit, fO can be adjustable from an external capacitor. * Gain can be adjusted by the 50 k variable resistor. SDC00022BEB 5 AN7333S I New Package Dimensions (Unit: mm) * SOP024-P-0375C (Lead-free package) 15.270.20 24 13 (1.05) 7.200.20 9.300.30 0.15-0.05 +0.10 0 to 10 0.300.20 (0.65) 1.27 0.40+0.10 -0.05 2.000.20 0.100.10 1 12 Seating plane Seating plane 6 SDC00022BEB Request for your special attention and precautions in using the technical information and semiconductors described in this material (1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and after-unpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company. Please read the following notes before using the datasheets A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited. 2001 MAR This datasheet has been download from: www..com Datasheets for electronics components. |
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