{"id":10588,"date":"2026-07-20T06:38:20","date_gmt":"2026-07-20T06:38:20","guid":{"rendered":"https:\/\/ic-vendor.com\/tsv912iq2t\/"},"modified":"2026-07-20T06:38:20","modified_gmt":"2026-07-20T06:38:20","slug":"tsv912iq2t","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/tsv912iq2t\/","title":{"rendered":"TSV912IQ2T"},"content":{"rendered":"

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

The TSV912IQ2T from STMicroelectronics is a rail-to-rail input\/output dual CMOS operational amplifier offering low offset voltage (3 mV max), high speed (8 MHz gain-bandwidth product), and low noise (9 nV\/\u221aHz). Operating from a 2.5V to 5.5V single supply, it features a slew rate of 4.5 V\/\u00b5s and is housed in a DFN-8 (2 x 2 mm) package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Number of Amplifiers<\/td>\n2 (dual)<\/td>\n<\/tr>\n
Supply Voltage Range<\/td>\n2.5V to 5.5V<\/td>\n<\/tr>\n
\u589e\u76ca-\u5e26\u5bbd\u4e58\u79ef<\/td>\n8 MHz<\/td>\n<\/tr>\n
\u538b\u6446\u7387<\/td>\n4.5 V\/\u00b5s<\/td>\n<\/tr>\n
\u8f93\u5165\u5931\u8c03\u7535\u538b<\/td>\n3 mV (maximum)<\/td>\n<\/tr>\n
Input Noise Voltage<\/td>\n9 nV\/\u221aHz (at 1 kHz)<\/td>\n<\/tr>\n
Supply Current per Amplifier<\/td>\n1.2 mA (typical)<\/td>\n<\/tr>\n
\u8f93\u5165\u504f\u7f6e\u7535\u6d41<\/td>\n1 pA (typical)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nDFN-8 (2 x 2 x 0.6 mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Rail-to-rail input and output (RRIO) operation<\/li>\n
  • 8 MHz gain-bandwidth product<\/li>\n
  • Low input offset voltage: 3 mV maximum<\/li>\n
  • Low noise: 9 nV\/\u221aHz at 1 kHz<\/li>\n
  • CMOS input with 1 pA typical bias current<\/li>\n
  • Stable for capacitive loads up to 100 pF<\/td>\n<\/tr>\n
  • 2.5V to 5.5V single supply operation<\/li>\n
  • Ultra-compact DFN-8 (2 x 2 mm) package<\/li>\n
  • ESD protection: 4 kV HBM<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Active filters and signal conditioning<\/li>\n
    • Sensor interface circuits<\/li>\n
    • Current sensing for motor control<\/li>\n
    • Audio preamplifiers<\/li>\n
    • Portable medical instrumentation<\/li>\n
    • Battery-powered analog front-ends<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TSV912IQ2T from STMicroelectronics is a rail-to-rail input\/output dual CMOS operational amplifier offering low offset voltage (3 mV max), high speed (8 MHz gain-bandwidth product), and low noise (9 nV\/\u221aHz). Operating from a 2.5V to 5.5V single supply, it features a slew rate of 4.5 V\/\u00b5s and is housed in a DFN-8 (2 […]<\/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":[19,13],"tags":[1926],"chip_brand":[142],"class_list":["post-10588","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","tag-tsv912iq2t","chip_brand-st"],"acf":{"brief_explanation":"Rail-to-rail dual CMOS op-amp, 8MHz GBW, 4.5V\/\u00b5s slew, 9nV\/\u221aHz, DFN-8 2x2mm","date_code":"","package_case":"DFN-8 (2.0 x 2.0 x 0.6 mm)","in_stock":6521,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/tsv912.pdf","price":"$0.52 @ 1ku","product_introduction":"The TSV912IQ2T is a rail-to-rail input\/output dual CMOS operational amplifier from STMicroelectronics, offering an excellent combination of speed, precision, and low power consumption. With an 8 MHz gain-bandwidth product and 4.5 V\/\u00b5s slew rate, the device is suitable for a wide range of signal conditioning applications. The rail-to-rail input and output stages maximize dynamic range when operating from low supply voltages (2.5V to 5.5V). The CMOS input stage provides ultra-low bias current of 1 pA, making it ideal for high-impedance sensor interfaces. The low input noise of 9 nV\/\u221aHz and low offset voltage of 3 mV ensure accurate signal acquisition. The TSV912 is housed in an ultra-compact DFN-8 package (2 x 2 mm), minimizing PCB footprint in space-constrained designs.","working_principle":"The TSV912 operates through three key subsystems:\n\n1. Input Stage: A rail-to-rail CMOS differential input pair uses two complementary input stages (PMOS and NMOS) that are active in different regions of the common-mode range, ensuring the input common-mode voltage extends from the negative rail to the positive rail. The CMOS input provides 1 pA typical bias current, enabling direct connection to high-impedance signal sources.\n\n2. Gain and Compensation: The amplifier achieves 8 MHz gain-bandwidth product through a single-stage architecture with internal Miller compensation. The slew rate of 4.5 V\/\u00b5s enables faithful reproduction of fast transient signals. The amplifier is internally compensated for unity-gain stability and can drive capacitive loads up to 100 pF without additional compensation.\n\n3. Output Stage: A rail-to-rail CMOS push-pull output stage drives the output to within millivolts of both supply rails, maximizing dynamic range. The output can source and sink several milliamps, sufficient for driving ADC inputs and moderate impedance loads.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>OUT1<\/td>Output<\/td>Amplifier 1 output<\/td><\/tr>
      2<\/td>IN1-<\/td>Input<\/td>Amplifier 1 inverting input<\/td><\/tr>
      3<\/td>IN1+<\/td>Input<\/td>Amplifier 1 non-inverting input<\/td><\/tr>
      4<\/td>VCC-<\/td>Power<\/td>Negative supply \/ Ground<\/td><\/tr>
      5<\/td>IN2+<\/td>Input<\/td>Amplifier 2 non-inverting input<\/td><\/tr>
      6<\/td>IN2-<\/td>Input<\/td>Amplifier 2 inverting input<\/td><\/tr>
      7<\/td>OUT2<\/td>Output<\/td>Amplifier 2 output<\/td><\/tr>
      8<\/td>VCC+<\/td>Power<\/td>Positive supply (2.5\u20135.5V)<\/td><\/tr><\/table>","application_scenarios":"
      • Active filters: 8 MHz GBW and rail-to-rail output enable high-order active filter designs with cutoff frequencies up to several hundred kHz from a 3.3V supply<\/li>
      • Sensor interfaces: 1 pA CMOS input bias current allows direct connection to piezoelectric, capacitive, and photodiode sensors without loading effects<\/li>
      • Current sensing: Rail-to-rail input common-mode range enables high-side current sensing with shunt resistors in motor control and power management circuits<\/li>
      • Portable medical devices: Low noise (9 nV\/\u221aHz) and low power (1.2 mA\/ch) suit ECG, EEG, and pulse oximeter analog front-ends operating from a single Li-ion cell<\/li>
      • Audio preamplifiers: 4.5 V\/\u00b5s slew rate and 8 MHz bandwidth support quality audio signal conditioning in portable audio devices<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        STMicroelectronics<\/td>TSV912IDT<\/td>SO-8<\/td>Same device, SOIC package<\/td><\/tr>
        STMicroelectronics<\/td>TSV914IQ2T<\/td>DFN-14 (3x3)<\/td>Quad version, same specs<\/td><\/tr>
        Texas Instruments<\/td>OPA2333AIDGKR<\/td>VSSOP-8<\/td>Dual, zero-drift, 0.35MHz<\/td><\/tr>
        Analog Devices<\/td>AD8542ARMZ<\/td>MSOP-8<\/td>Dual, RRIO, 1MHz<\/td><\/tr>
        Microchip<\/td>MCP6022-I\/SN<\/td>SOIC-8<\/td>Dual, RRIO, 10MHz<\/td><\/tr>
        NXP<\/td>NCS20072SN2T1G<\/td>SOIC-8<\/td>Dual, RRIO, 6MHz<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10588","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=10588"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10588\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10588"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}