{"id":11672,"date":"2026-07-26T14:03:28","date_gmt":"2026-07-26T14:03:28","guid":{"rendered":"https:\/\/ic-vendor.com\/pcm1770rgar\/"},"modified":"2026-07-26T14:03:28","modified_gmt":"2026-07-26T14:03:28","slug":"pcm1770rgar","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/pcm1770rgar\/","title":{"rendered":"PCM1770RGAR"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The PCM1770RGAR from TI is a 24-bit stereo audio DAC with integrated headphone amplifier, achieving 100 dB dynamic range and -85 dB THD+N. It supports up to 48 kHz sample rate via I2S interface and is designed for portable audio devices and consumer electronics.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n
\u529f\u80fd<\/td>\n24-bit stereo audio DAC with headphone amp<\/td>\n<\/tr>\n
Resolution<\/td>\n24-bit<\/td>\n<\/tr>\n
Dynamic Range<\/td>\n100 dB<\/td>\n<\/tr>\n
THD+N<\/td>\n-85 dB<\/td>\n<\/tr>\n
Sample Rate<\/td>\nUp to 48 kHz<\/td>\n<\/tr>\n
Interface<\/td>\nI2S<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nVQFN-32 (5x5mm)<\/td>\n<\/tr>\n<\/table>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

Multi-bit delta-sigma DAC with 24-bit input resolution converts I2S digital audio to analog. Internal analog volume control and headphone amplifier drive 16-32 ohm loads directly. PLL-based clock generation supports multiple sample rates from a single master clock. De-emphasis filters for CD audio standard.<\/p>\n

\u5e94\u7528<\/h2>\n
    \n
  • Portable audio player<\/li>\n
  • USB headset \/ headphone<\/li>\n
  • Tablet \/ smartphone audio<\/li>\n
  • Set-top box analog output<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    Product Overview The PCM1770RGAR from TI is a 24-bit stereo audio DAC with integrated headphone amplifier, achieving 100 dB dynamic range and -85 dB THD+N. It supports up to 48 kHz sample rate via I2S interface and is designed for portable audio devices and consumer electronics. Key Specifications Function 24-bit stereo audio DAC with headphone […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[2951],"chip_brand":[138],"class_list":["post-11672","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-pcm1770rgar","chip_brand-ti"],"acf":{"brief_explanation":"24-bit stereo audio DAC, 100dB DR, headphone amp, VQFN-32","date_code":"","package_case":"VQFN-32","in_stock":4756,"datasheet":"https:\/\/www.ti.com\/product\/PCM1770","price":"","product_introduction":"The PCM1770RGAR from TI is a 24-bit stereo audio DAC with integrated headphone amplifier, achieving 100 dB dynamic range and -85 dB THD+N. It supports up to 48 kHz sample rate via I2S interface and is designed for portable audio devices and consumer electronics.","working_principle":"Multi-bit delta-sigma DAC with 24-bit input resolution converts I2S digital audio to analog. Internal analog volume control and headphone amplifier drive 16-32 ohm loads directly. PLL-based clock generation supports multiple sample rates from a single master clock. De-emphasis filters for CD audio standard.","pin_description":"
    Pin<\/th>Name<\/th>Description<\/th><\/tr>
    1<\/td>BCLK<\/td>I2S bit clock<\/td><\/tr>
    2<\/td>LRCK<\/td>I2S word clock<\/td><\/tr>
    3<\/td>DIN<\/td>I2S data input<\/td><\/tr>
    4<\/td>VOUTL<\/td>Left analog output<\/td><\/tr>
    5<\/td>VOUTR<\/td>Right analog output<\/td><\/tr><\/table>","application_scenarios":"
    • Portable audio player<\/li>
    • USB headset \/ headphone<\/li>
    • Tablet \/ smartphone audio<\/li>
    • Set-top box analog output<\/li><\/ul>","alternative_models":"
      Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
      PCM5102A<\/td>TI<\/td>Higher performance (112dB)<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=11672"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/11672\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=11672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=11672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=11672"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=11672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}