{"id":8059,"date":"2026-06-28T08:48:29","date_gmt":"2026-06-28T08:48:29","guid":{"rendered":"https:\/\/materialparts.com\/adm7150acpz-5-0-r7\/"},"modified":"2026-06-28T11:35:05","modified_gmt":"2026-06-28T11:35:05","slug":"adm7150acpz-5-0-r7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/adm7150acpz-5-0-r7\/","title":{"rendered":"ADM7150ACPZ-5.0-R7"},"content":{"rendered":"<h2>ADM7150ACPZ-5.0-R7 Overview<\/h2>\n<p>The ADM7150ACPZ-5.0-R7 is an 800mA ultralow noise, high PSRR LDO regulator from Analog Devices with fixed 5.0V output, 90dB PSRR at 1kHz, only 1.6uV RMS output noise, in an LFCSP-8 package, suitable for high-precision ADC\/DAC power supply.<\/p>\n<h3>\u4e3b\u8981\u529f\u80fd<\/h3>\n<ul>\n<li>Fixed output voltage: 5.0V<\/li>\n<li>Output current: 800mA<\/li>\n<li>Dropout: 300mV at 800mA<\/li>\n<li>PSRR: 90dB at 1kHz<\/li>\n<li>Output noise: 1.6uV RMS<\/li>\n<li>Supply voltage: 4.5V-16V<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>ADM7150ACPZ-5.0-R7 Overview The ADM7150ACPZ-5.0-R7 is an 800mA ultralow noise, high PSRR LDO regulator from Analog Devices with fixed 5.0V output, 90dB PSRR at 1kHz, only 1.6uV RMS output noise, in an LFCSP-8 package, suitable for high-precision ADC\/DAC power supply. Key Features Fixed output voltage: 5.0V Output current: 800mA Dropout: 300mV at 800mA PSRR: 90dB at [&hellip;]<\/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":[13,32],"tags":[],"chip_brand":[165],"class_list":["post-8059","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-adi"],"acf":{"brief_explanation":"800mA LDO, 5.0V fixed, ultralow noise 1uVrms, >90dB PSRR","date_code":"","package_case":"LFCSP-8 (3.0 x 3.0 x 0.73 mm, w\/ EP)","in_stock":7549,"datasheet":"https:\/\/www.analog.com\/media\/en\/technical-documentation\/data-sheets\/ADM7150.pdf","price":"$4.47 @ 1ku","product_introduction":"The ADM7150ACPZ-5.0-R7 is an 800 mA ultralow noise, high PSRR linear regulator from Analog Devices, providing a fixed 5.0 V output from a 4.5 V to 16 V input in a compact 3 mm x 3 mm LFCSP-8 package. It delivers an exceptional output noise of 1.0 uVrms (100 Hz to 100 kHz) and PSRR exceeding 90 dB from 1 kHz to 100 kHz, making it one of the quietest LDOs available. These characteristics make it ideal for noise-sensitive RF and precision analog applications where supply purity directly impacts system performance.","working_principle":"The ADM7150ACPZ-5.0-R7 uses a PMOS pass transistor driven by a low-noise error amplifier. The error amplifier compares a scaled version of the output voltage with an ultralow-noise internal bandgap reference. The PMOS architecture enables very low dropout voltage (600 mV at 800 mA) while maintaining ground current independent of load. A proprietary output filter architecture reduces broadband noise to below 1.7 nV per root Hz above 10 kHz, which combined with the high loop gain delivers greater than 90 dB PSRR at low frequencies. The device includes soft-start to limit inrush current, an enable pin for sequenced power-up, and comprehensive protection including current limiting, thermal shutdown, and reverse-current blocking. Only a single 10 uF ceramic output capacitor is required for stability.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Description<\/th><\/tr><tr><td>1<\/td><td>VOUT<\/td><td>Regulated 5.0 V output; connect 10 uF ceramic capacitor to GND<\/td><\/tr><tr><td>2<\/td><td>VOUT<\/td><td>Regulated output (duplicate for thermal and current capacity)<\/td><\/tr><tr><td>3<\/td><td>SENSE<\/td><td>Output voltage sense; connect directly to load for remote sensing<\/td><\/tr><tr><td>4<\/td><td>GND<\/td><td>Ground reference<\/td><\/tr><tr><td>5<\/td><td>EN<\/td><td>Enable input; high = on, low = shutdown (0.1 uA Iq)<\/td><\/tr><tr><td>6<\/td><td>NC<\/td><td>No connect; leave floating<\/td><\/tr><tr><td>7<\/td><td>VIN<\/td><td>Unregulated input supply (4.5 V to 16 V)<\/td><\/tr><tr><td>8<\/td><td>VIN<\/td><td>Input supply (duplicate for thermal capacity)<\/td><\/tr><tr><td>EP<\/td><td>GND<\/td><td>Exposed thermal pad; solder to PCB ground plane<\/td><\/tr><\/table>","application_scenarios":"<ul><li><strong>RF\/PLL Power Supply<\/strong>: Ultra-clean VCO and PLL rail to minimize phase noise and spurious output<\/li><li><strong>High-Speed ADC\/DAC Reference<\/strong>: Low-noise supply for precision data converters in communication systems<\/li><li><strong>Test and Measurement<\/strong>: Noise-critical supply for oscilloscope front-ends and spectrum analyzers<\/li><li><strong>Microwave Link<\/strong>: Low-phase-noise supply chain for satellite and point-to-point radio<\/li><li><strong>Medical Imaging<\/strong>: Clean power for ultrasound transducer and MRI gradient amplifier front-ends<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Vout<\/th><th>Iout<\/th><th>Noise<\/th><th>Package<\/th><\/tr><tr><td>ADM7150ACPZ-3.3-R7<\/td><td>Analog Devices<\/td><td>3.3 V<\/td><td>800 mA<\/td><td>1.0 uVrms<\/td><td>LFCSP-8<\/td><\/tr><tr><td>LT3042<\/td><td>Analog Devices<\/td><td>Adj<\/td><td>200 mA<\/td><td>0.8 uVrms<\/td><td>DFN-12<\/td><\/tr><tr><td>TPS7A4700<\/td><td>Texas Instruments<\/td><td>Adj<\/td><td>1 A<\/td><td>3.8 uVrms<\/td><td>VSON-10<\/td><\/tr><tr><td>LT3045<\/td><td>Analog Devices<\/td><td>Adj<\/td><td>500 mA<\/td><td>0.8 uVrms<\/td><td>DFN-12<\/td><\/tr><tr><td>ADM7151ACPZ-5.0-R7<\/td><td>Analog Devices<\/td><td>5.0 V<\/td><td>800 mA<\/td><td>1.6 uVrms<\/td><td>LFCSP-8<\/td><\/tr><\/table>\n<p>ADM7150ACPZ-5.0-R7 is an 800mA ultralow noise RF LDO from Analog Devices with 1.0\u00b5Vrms noise and >90dB PSRR. Alternative models within the ADM7150 family differ only in output voltage (1.8V, 2.5V, 3.3V, 5.0V variants). For lower current with similar noise performance, ADM7170 offers 500mA with 5\u00b5Vrms noise. The TPS7A4700 from TI is a competitive ultralow noise LDO alternative. LT3042 from ADI provides 200mA with even lower 0.8\u00b5Vrms noise for the most demanding RF applications.<\/p>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8059","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=8059"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8059\/revisions"}],"predecessor-version":[{"id":8072,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/8059\/revisions\/8072"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=8059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=8059"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=8059"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=8059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}