OPAx891, 180 MHz, 0.95 nV/√Hz, Ultra-low THD, Operational Amplifiers

1 Features ? Ultra-low 0.95 nV/√ Hz voltage noise ? High Speed: – 180-MHz unity gain bandwidth – 140-MHz bandwidth [G = 2 (–1), –3 dB] – 105-V/μs slew rate ? Very low distortion – THD = –91 dBc (f = 1 MHz, RL = 150 Ω) – THD = –100 dBc (f = 1 MHz, RL = 1 kΩ) – THD+N = =137 dBc (f = 1 kHz,

文件：1.33314 Mbytes 頁數(shù)：30 Pages

TI

德州儀器

OPAx891 180MHz, 0.95nV/√Hz, Ultra-Low THD Operational Amplifiers

1 Features ? Ultra-low 0.95nV/√Hz voltage noise ? High speed: – 180MHz unity gain bandwidth – 140MHz bandwidth at a gain of 2V/V (–1V/V) – 105V/μs slew rate ? Very low distortion – THD = –91dBc (f = 1MHz, RL = 150Ω) – THD = –100dBc (f = 1MHz, RL = 1kΩ) – THD+N = –137dBc (f = 1kHz, BW = 80

文件：1.36272 Mbytes 頁數(shù)：32 Pages

TI

德州儀器

具有超低總諧波失真 (THD) 的 180MHz 0.95nV√Hz 運算放大器

OPA891 和 OPA2891 ( OPAx891) 是超低電壓噪聲、高速電壓反饋放大器，非常適合需要低電壓噪聲的應(yīng)用（包括通信和成像）。單路放大器 OPA891 和雙路放大器 OPA2891 可提供卓越的交流性能，帶寬為 140MHz (G = 2)，轉(zhuǎn)換率為 105V/μs，穩(wěn)定時間為 70ns (0.1%)。 OPAx891 具有穩(wěn)定的單位增益以及 180MHz 的帶寬。這些放大器具有 200mA 的高驅(qū)動能力，每個通道只消耗 7.5mA 的電源電流。 OPAx891 在 f = 1MHz 時的總諧波失真 (THD) 為 –100dBc，并具有 0.95nV/√Hz 的超低噪聲 超低 0.95nV/√Hz 電壓噪聲\n \n高速： \n \n180MHz 單位帶寬增益積\n \n140MHz 帶寬 [G = 2 (–1), –3dB]\n \n105V/μs 轉(zhuǎn)換率\n \n\n \n極低失真 \n \nTHD = -91dBc（f = 1MHz，R L = 150Ω）\n \nTHD = -100dBc（f = 1MHz，R L = 1kΩ）\n \nTHD+N = =137dBc（f = 1kHz，帶寬 = 80kHz）\n \n\n \n25°C 時具有 0.2mV（典型值）和 1mV（最大值）的低輸入失調(diào)電壓\n \n200mA 輸出電流驅(qū)動（典型值）\n \;

TI

德州儀器

OPAx891 180MHz, 0.95nV/√Hz, Ultra-Low THD Operational Amplifiers

1 Features ? Ultra-low 0.95nV/√Hz voltage noise ? High speed: – 180MHz unity gain bandwidth – 140MHz bandwidth at a gain of 2V/V (–1V/V) – 105V/μs slew rate ? Very low distortion – THD = –91dBc (f = 1MHz, RL = 150Ω) – THD = –100dBc (f = 1MHz, RL = 1kΩ) – THD+N = –137dBc (f = 1kHz, BW = 80

文件：1.36272 Mbytes 頁數(shù)：32 Pages

TI

德州儀器

絲?。?a target="_blank" title="Marking" href="/o891/marking.html">O891；Package：HVSSOP；OPAx891 180MHz, 0.95nV/√Hz, Ultra-Low THD Operational Amplifiers

1 Features ? Ultra-low 0.95nV/√Hz voltage noise ? High speed: – 180MHz unity gain bandwidth – 140MHz bandwidth at a gain of 2V/V (–1V/V) – 105V/μs slew rate ? Very low distortion – THD = –91dBc (f = 1MHz, RL = 150Ω) – THD = –100dBc (f = 1MHz, RL = 1kΩ) – THD+N = –137dBc (f = 1kHz, BW = 80

文件：1.36272 Mbytes 頁數(shù)：32 Pages

TI

德州儀器

絲印：O891；OPAx891, 180 MHz, 0.95 nV/√Hz, Ultra-low THD, Operational Amplifiers

1 Features ? Ultra-low 0.95 nV/√ Hz voltage noise ? High Speed: – 180-MHz unity gain bandwidth – 140-MHz bandwidth [G = 2 (–1), –3 dB] – 105-V/μs slew rate ? Very low distortion – THD = –91 dBc (f = 1 MHz, RL = 150 Ω) – THD = –100 dBc (f = 1 MHz, RL = 1 kΩ) – THD+N = =137 dBc (f = 1 kHz,

文件：1.33314 Mbytes 頁數(shù)：30 Pages

TI

德州儀器

絲印：O891；OPAx891, 180 MHz, 0.95 nV/√Hz, Ultra-low THD, Operational Amplifiers

1 Features ? Ultra-low 0.95 nV/√ Hz voltage noise ? High Speed: – 180-MHz unity gain bandwidth – 140-MHz bandwidth [G = 2 (–1), –3 dB] – 105-V/μs slew rate ? Very low distortion – THD = –91 dBc (f = 1 MHz, RL = 150 Ω) – THD = –100 dBc (f = 1 MHz, RL = 1 kΩ) – THD+N = =137 dBc (f = 1 kHz,

文件：1.33314 Mbytes 頁數(shù)：30 Pages

TI

德州儀器

絲印：O891；Package：SOIC；OPAx891 180MHz, 0.95nV/√Hz, Ultra-Low THD Operational Amplifiers

1 Features ? Ultra-low 0.95nV/√Hz voltage noise ? High speed: – 180MHz unity gain bandwidth – 140MHz bandwidth at a gain of 2V/V (–1V/V) – 105V/μs slew rate ? Very low distortion – THD = –91dBc (f = 1MHz, RL = 150Ω) – THD = –100dBc (f = 1MHz, RL = 1kΩ) – THD+N = –137dBc (f = 1kHz, BW = 80

文件：1.36272 Mbytes 頁數(shù)：32 Pages

TI

德州儀器