ML22Q573-NNNMB/ML22Q573-xxxMB/ML2257X-xxxMB 4-Channel Mixing Speech Synthesis LSI with Built-in FLASH/MASK ROM for Automotive
■The ML22Q573-NNN, ML22Q573-xxx and ML2257X-xxx are 4-channel mixing speech synthesis LSIs with built-in FLASH/MASK ROM for voice data. These LSIs incorporate into them an HQ-ADPCM decoder that enables high sound quality, 16-bit D/A converter, low-pass filter, and 1.0 W monaural speaker amplifier for driving speakers. Since functions necessary for voice output are all integrated into a single chip, a system can be upgraded with audio features by only using one of these LSIs.
●FEATURES
■Speech synthesis method: Can be specified for each phrase. HQ-ADPCM / 8-bit non-linear PCM / 8-bit PCM / 16-bit PCM
■Sampling frequency: Can be specified for each phrase.12.0/24.0/48.0 kHz, 8.0 / 16.0/32.0 kHz, 6.4/12.8/25.6 kHz
■Built-in low-pass filter and 16-bit D/A converter
■Built-in speaker driver amplifier:1.0 W, 8Ω (at DVDD = 5 V)
■External analog voice input (built-in analog mixing function)
■CPU command interface: Clock synchronous serial interface
■Maximum number of phrases:1024 phrases, from 000h to 3FFh
■Edit ROM
■Volume control: CVOL command: Adjustable through 32 levels (including OFF) AVOL command: Adjustable through 50 levels (including OFF)
■Repeat function: LOOP command
■Channel mixing function:4 channels
■Power supply voltage detection function: Can be controlled at six levels from 2.7 to 4.0 V (including the OFF setting)
■Source oscillation frequency:4.096 MHz
■Power supply voltage:2.7 to 5.5 V
■Operating temperature range:–40°C to +105°C
■Package: heat sink type 30-pin plastic SSOP(P-SSOP30-56-0.65-Z6K8-MC)
■Product name: ML22Q573-NNNMB/ML22573-xxxMB/ML22572-xxxMB
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ML22Q573-NNNMB 、 ML22Q573-xxxMB 、 ML2257X-xxxMB 、 ML22Q573-NNN 、 ML22Q573-xxx 、 ML2257X-xxx 、 ML22Q573-NNN/-xxx 、 ML22573-xxx 、 ML22572-xxx 、 ML22573-xxxMB 、 ML22572-xxxMB 、 ML225XG 、 ML224XXG 、 ML22Q573 、 ML2257X |
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[ Automotive ] |
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Datasheet |
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Please see the document for details |
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SSOP;QFP |
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English Chinese Chinese and English Japanese |
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Apr.14, 2020 |
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FEDL2257X-09 |
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4.1 MB |
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