MN6460A SSOP042-P-0450 SDJ00003BEM HC161 HC123 HC244 HAF0614 SSOP042-P-0450B

MN6460A A/D Converter for Digital Audio Equipment Pin Assignment Overview M Di ain sc te on na tin nc ue e/ d The MN6460A is a

For Audio Equipment MN6460A MN6460A A/D Converter for Digital Audio Equipment Pin Assignment Overview M Di ain sc te on na tin nc ue e/ d The MN6460A MN6460A is a 16-bit CMOS analog-to-digital converter designed especially for PCM digital audio equipment. It features a built-in digital filter. It uses noise shaping to convert an analog signal to a 16-bit digital signal. Incorporating digital filter permits simplification of the analog filter that normally precedes the A/D converter, thus greatly reducing the power consumption of the overall A/D conversion system. Analog and digital-mixed CMOS LSI A/D conversion using noise shaping 64-fold oversampling Built-in digital filter 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 DVSS TEST N.C. DOUT N.C. NSUB N.C. N.C. N.C. N.C. TCLK N.C. N.C. N.C. AMPBIAS N.C. AVSS AVDD AIN AG VREF ue pl d in an c se ed lud pl vi an m m es si tf ed ain ai fo ol t n l ht low disc dis ena ten low tp in o co n an in :// g nt n ce c g pa U in tin t e fo na RL ue ue ype typ ur so a d t d e Pr od ty ni bo yp p c. u e e uc ne t l d tl ife t/s ate cy c/ st en in cl e fo st rm ag at e. io n. Features DVDD LRPOL IE LRCLK BCLK CLR OFCLR N.C. N.C. N.C. N.C. N.C. N.C. N.C. EXCLK CVSS CVDD N.C. N.C. AVSS AVDD Sample and hold circuit is unnecessary Serial output using two's complement code Built-in offset compensation circuit Built-in overflow limiter (TOP VIEW) SSOP042-P-0450 SSOP042-P-0450 Single 5-volt power supply (when VREF =1.5 V and AG=2.5 V) Applications SDJ00003BEM SDJ00003BEM Pl ea M ai nt en an ce /D is co nt in DAT players and other digital audio equipment 1 MN6460A MN6460A For Auido Equipment Block Diagram DSQ:1bit Delta Sigma Quantizer 1st DSQ (+) 24 3rd DSQ 2nd DSQ + AIN × 1/2 1st DSQ () × 1/2 Summing logic A/D converter EXCLK 15 Clock Generator FIR 1 Comb-filter FIR 2 Low-pass-filter 6 Digital filter 5 B-CLK 4 LR-CLK 3 I-E 2 LR-POL 7 OFCLR 2 39 P/S Converter OFFSET Canceller CLR DOUT For Audio Equipment MN6460A MN6460A Pin Descriptions Pin No. Symbol 1 DVDD 2 LR-POL 3 I-E 4 LR-CLK Function Description Power supply pin for digital circuits (+5 V) Channel selection pin for stereo operation using two chips. "H" level: right channel. "L" level: left channel. Format selection pin. "L" level: signal processing LSI format. "H" level: I2S format. LRCLK input pin (for stereo operation) If LR-POL is at "H" level, "H" level: right channel data output. "L" level, high-impedance state. If LR-POL is at "L" level, "H" level: high-impedance state. "L" level, left channel data output. 5 B-CLK 6 CLR Bit transfer command input (At falling edge signal, a bit transfered) Clear pin. Active high. Driving this pin at "H" level clears internal data. Always this internal data is cleared by feeding a positive pulse to this pin after applying the power. 7 OFCLR 8 N.C. No connection (Leave this pin open.) 9 N.C. No connection (Leave this pin open.) 10 N.C. No connection (Leave this pin open.) 11 N.C. No connection (Leave this pin open.) 12 N.C. No connection (Leave this pin open.) 13 N.C. No connection (Leave this pin open.) 14 N.C. 15 EXCLK Driving this pin at "L" level enables the offset clear circuit. No connection (Leave this pin open.) 512 fs input pin 16 CVSS Ground pin for digital circuits 17 CVDD Power supply pin for digital circuits (+5 V) 18 N.C. No connection (Leave this pin open.) 19 N.C. No connection (Leave this pin open.) 20 AVSS Ground pin for analog circuits 21 AVDD Power supply pin for analog circuits (+5 V) 22 VREF Analog circuit reference voltage input pin (+1.5 V) 23 AG Analog ground input pin (+2.5 V) 24 AIN 25 AVDD Power supply pin for analog circuits (+5 V) Analog input pin 26 AVSS Ground pin for analog circuits 27 N.C. No connection (Leave this pin open.) 28 AMPBIAS Bias voltage adjustment pin for operational amplifier (Keep this at the same voltage as the AG pin.) 29 N.C. No connection (Leave this pin open.) 30 N.C. No connection (Leave this pin open.) 31 N.C. No connection (Leave this pin open.) 3 MN6460A MN6460A For Auido Equipment Pin Descriptions (continued) Pin No. Symbol Function Description 32 TCLK 33 N.C. No connection (Leave this pin open.) 34 N.C. No connection (Leave this pin open.) 35 N.C. No connection (Leave this pin open.) 36 N.C. No connection (Leave this pin open.) 37 NSUB 38 N.C. 39 DOUT LSI test clock output pin. (Leave this pin open.) Connect this pin to AVDD. No connection (Leave this pin open.) Serial output pin. Two's complement. MSB first. 40 N.C. No connection (Leave this pin open.) 41 TEST LSI test pin. (Connect this pin to DVDD.) 42 DVSS Ground pin for digital circuits Electrical Characteristics Conversion Characteristics DVDD=5.0V, AVDD=5.0V, VAG=2.5V, VREF=1.5V, fEXCLK=24.576MHz, Ta=25°C Parameter Symbol Test Condition min typ Signal-to-noise ratio S/N EIAJ (1kHz) 85 90 dB Dynamic range D.R. EIAJ (1KHZ) 85 90 dB THD+N EIAJ (1kHz) Total harmonic 0.005 max 0.010 Unit % distortion Specifications for DC Offset An A/D converter usually does not produce digital zero output from analog zero input because the operational amplifier inside has an offset. The MN6460A MN6460A, however, has circuitry for correcting this. The shipping inspection enables this offset correction circuit and confirms that the DC offset is within the lower four bits. Parameter 4 max Unit OFCLR="H" ±20 mV OFCLR="L" DC offset Symbol Test Condition min typ ±0.6 mV For Audio Equipment MN6460A MN6460A C5 0.1µF C15 15 14 13 12 11 10 9 HC161 HC161.counter 5 6 7 8 10µF 1 2 3 4 5 14 4.7µF 13 12 11 10 + C7 9 8 HC74.D-FF C22 6 7 8 1 2 3 4 5 6 7 256Fs C8 512Fs + 4.7µF 16 + 4.7µF R7 10k + 15 14 13 12 11 10 9 14 HC161 HC161.counter C16 1 2 3 4 5 13 12 11 10 9 8 4.7µF 20 19 18 17 + SW1 GND 4.7µF 16 + C1 4.7µF 4.7µF HC123 HC123 1 2 3 4 C15 + 100µF 15 14 13 12 11 10 9 + + C16 5V 16 + R1 10k D1 CLR 256Fs LRCK DATA BCK Application Circuit Example XTAL.512Fs C23 4.7µF 6 7 8 1 2 3 4 5 C44 HC244 HC244 1 2 6 7 16 15 14 13 12 11 3 4 5 6 7 8 9 10 R18 330 14 13 12 11 10 7 1 2 3 4 C3 4.7µF EXCLK-R 1 DVDD DVSS 42 2 LR-POL TEST 41 3 I-E N.C. 40 4 LR-CLK DOUT 39 C41 5 B-CLK N.C. 38 4.7µF 6 CLR NSUB 37 7 OFCLR N.C. 36 N.C. 35 8 N.C. 9 N.C. N.C. 10 N.C. N.C. 33 TCLK 32 11 N.C.(TP0) 12 N.C.(TP1) N.C. 31 10k R23 13 N.C.(TP2) N.C. 30 10k VR5 14 N.C.(TP3) N.C. 29 15 EXCLK AMPBIAS 28 C43 10µF 0.1µF 16 CVSS N.C. 27 C26 4.7µF 17 CVDD AVSS 26 C41 100µF C42 18 N.C. AVDD 25 4.7µF 1000pF C13 19 N.C. AIN 24 C37 C41 0.1µF 20 AVSS AG 23 R28 4.7k C5 21 AVDD VREF 22 4.7µF 22k R13 100µF + MN6460A MN6460A + 5 + + C36 C34 + VR4 R14 R17 10k1k 100pF 1k R14 C13 10k 22µF 22µF C30 + 3.3µF 33µF C32 C29 A.GND 12V 33µF 3 2 1 8 C27 4 6 7 VR5 + 22µF R12 R5 10k 22µF 10k + C13 C13 3.3µF + C11 + 1.2k HAF0614 HAF0614.LPF + + 4 5 6 7 1.2k Ain(R) R21 R10 R22 100µF 1.2k R9 C33 C38 + HAF0614 HAF0614.LPF 1 2 3 100µF 100µF 4 100µF 5 6 7 C31 + C28 1 2 3 Ain(L) 100pF VR1 C19 1.2k 1k + 10k R12 10k1k R5 C41 R15 10k 10k 10k + + + + R4 R3 + + + C18 22µF VR3 10k C23 0.1µF + R11 10k + 1 DVDD DVSS 42 2 LR-POL TEST 41 3 I-E N.C. 40 4 LR-CLK DOUT 39 C41 5 B-CLK N.C. 38 4.7µF 6 CLR NSUB 37 7 OFCLR N.C. 36 N.C. 35 8 N.C. N.C. 34 9 N.C. N.C. 33 10 N.C. 11 N.C.(TP0) TCLK 32 12 N.C.(TP1) N.C. 31 N.C. 30 13 N.C.(TP2) N.C. 29 14 N.C.(TP3) 15 EXCLK AMPBIAS 28 16 CVSS N.C. 27 4.7µF 17 CVDD AVSS 26 C41 100µF C19 18 N.C. AVDD 25 1000pF C17 19 N.C. AIN 24 C14 0.1µF VR2 20 AVSS AG 23 R8 4.7k 21 AVDD VREF 22 22k R7 10k 4.7µF MN6460A MN6460A EXCLK-L + C5 R16 + + 10µF C12 C16 C2 C15 C16 C5 + C15 4.7µF 4.7µF + A.GND 100µF C41 C33 + 4.7µF 100µF 4.7k 10µF A.VDD 7 SW C3 12V 6 4.7µF + 100µF 4.7µF D.GND + D.VDD 5 LR-CLK B-CLK CLR OFCLR 10µF 8 34 + C24 + 5 6 + 1 2 3 4 9 HC32 4.7µF HC32 EXCLK-R 8 EXCLK-L 14 13 12 11 10 9 5 MN6460A MN6460A For Auido Equipment Package Dimensions (Unit: mm) 0.35±0.1 21.25±0.2 1.0±0.1 0.45 SSOP042-P-0450 SSOP042-P-0450 9.5±0.2 2.0±0.2 0.3 min. 0.1±0.1 0.15 0.9 11.5±0.3 Note) The package of this product will be changed to the following lead-free type (SSOP042-P-0450B SSOP042-P-0450B). 6 For Audio Equipment MN6460A MN6460A New Package Dimensions (Unit: mm) · SSOP042-P-0450B SSOP042-P-0450B (Lead-free package) 21.25±0.20 (1.05) +0.10 0.15-0.05 9.50±0.20 11.60±0.30 22 42 Seating plane 0.35+0.10 -0.05 21 2.00±0.20 1.00 0.10±0.10 1 (0.625) 2.40 max. 0.30±0.20 Seating plane 7 Request for your special attention and precautions in using the technical information and semiconductors described in this book (1) If any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and regulations of the exporting country, especially, those with regard to security export control, must be observed. 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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 book are subject to change without notice for 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. 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