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| ICs for Audio Common Use AN7337N 7-Element Graphic Equalizer IC for Hi-Fi s Overview The AN7337N is a graphic equalizer IC for high performance Hi-Fi developed for deck. It incorporates output buffer circuit and 7 resonance buffer circuits, can set resonance frequency by external capacitor. 1 2 3 4 5 6 7 8 9 10 6.350.3 3.250.3 20 19 18 17 16 15 14 13 12 11 Unit : mm 0.50.25 1.220.25 0.60.25 3.850.25 3.00.25 0.25 + 0.1 5 - 0.0 s Features * Low noise : Vno = 4Vrms typ. * Low distortion : THD = 0.002% typ. (at VO = 1Vrms) * High output power : VO (max.) = 9.5Vrms typ. (at. THD = * 0.1%) Wide operating supply voltage range : VCC (opr.) = 4 ~ 18V 25.00.3 3 ~15 7.620.25 20-Lead DIP Package (DIP020-P-0300A) s Block Diagram -VCC 20 GND 19 +VCC 18 17 16 15 14 13 12 11 Output Buffer - + - + Resonance Section7 - + Resonance Section6 Resonance Section5 + - Resonance Section1 + - Resonance Section2 + - Resonance Section3 + - Resonance Section4 + - 1 2 3 4 5 6 7 8 9 10 2.54 AN7337N s Absolute Maximum Ratings (Ta= 25C) Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC PD Topr Tstg ICs for Audio Common Use Rating 18 50 1,000 -20 ~ + 75 -55 ~ +150 Unit V mA mW C C s Recommended Operating Range (Ta = 25C) Parameter Operating Supply Voltage Range Symbol VCC Range 4V ~ 18V s Electrical Characteristics (VCC = 15V, Ta = 25C) Parameter Total Circuit Current Voltage Gain FLAT Voltage Gain BOOST Voltage Gain CUT Total Harmonic Distortion Max. Output Voltage Output Noise Voltage Output Noise Voltage Symbol ICC GV (FLAT) GV (Boost) GV (CUT) THD VO (max.) Vno Vno (max.) Vin= 0mV f= 1kHz, Vin= -10dBm FLAT VO = 0dB, Vin= -10dBm FLAT VO = 0dB, Vin= -10dBm f= 1kHz, VO = 1Vrms f= 1kHz, THD= 0.1% Input Short, DIN/AUDIO Input Short, ALL Boost Condition min. 8 - 0.6 10.4 -14 typ. 12 - 0.3 12 -12 0.002 8 9.5 4 31 35 100 max. 16 0 14 -10.4 0.03 Unit mA dB dB dB % Vrms Vrms Vrms s Characteristics Curve THD - VCC 0.1 VO = 1Vrms Ta = 25C 10 Vno - VCC VCC -Vno Input Short DIN/AUDIO Total Flat 1 Total Harmonic Distortion THD (%) VCC = 15V f = 1kHz Ta = 25C THD - VO Total Harmonic Distortion THD (%) 0.05 0.03 0.02 Output Noise Voltage Vno (V) 8 0.3 CUT 0.1 6 0.01 0.005 0.003 0.002 4 0.03 Boost 0.01 2 0.003 0.001 0 5 10 15 20 25 30 0 0 4 8 12 16 20 24 -20 0 FLAT 20 40 Supply Voltage VCC (V) Supply Voltage VCC (V) Output Voltage VO (dBV) ICs for Audio Common Use AN7337N THD - f 40 10 -1 Total Harmonic Distortion THD (%) VCC =15V Vin =1Vrms Ta =25C Output Voltage VO (dBV) 20 VO - f 10 -2 FLAT 0 CUT 10 -3 10 -4 - 20 10 -5 100 1k Frequency f (Hz) 10k - 40 10 100 1k 10k 100k Frequency f (Hz) s Application Circuit 560 VO 10k - + 3.3F 1500pF 17 3.3k 16 15 +VCC + 22F + - -VCC - 22F 20 19 18 14 13 12 11 AN7337N 1 47k 0.12F 2 0.068F 3 4 0.022F 5 6 0.0068F 7 8 0.0027F 9 10 0.0012F 22F 1F 0.33F 0.12F 0.056F 0.018F 0.0082F 470pF Boost Flat Cut - + + - 3.3k - + 3.3F VR : 50k 33F SG AN7337N s Pin Descriptions Pin No. Pin Name Pin Voltage (V) Description ICs for Audio Common Use Equivalent Circuit 1 + VCC 1, 3, 5, 7, 9, 11, 13 Input Center electric potential (GND) Resonance circuit input pin - VCC IN 16 2 1 2, 4, 6, 8, 10, 12, 14 Negative Feedback Center electric potential (GND) Resonance circuit negative feedback pin + VCC - VCC IN 15 Non Inverting Input Center electric potential (GND) Output buffer circuit non-inverting input pin Center electric potential 33k 33F 15 16 +VCC 16 Inverting Input Center electric potential (GND) Output buffer circuit inverting input pin -VCC OUT - + 17 +VCC 17 Output Center electric potential (GND) Output buffer circuit putput pin -VCC 18 19 20 Positive Power Supply GND Negative Feedback +15 0 -15 Positive supply pin GND pin Negative supply pin 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 |
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