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 页数：30 Pages

TI

德州仪器

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 页数：32 Pages

TI

德州仪器

具有超低总谐波失真 (THD) 的 180MHz 0.95nV√Hz 运算放大器

OPA891 和 OPA2891 ( OPAx891) 是超低电压噪声、高速电压反馈放大器，非常适合需要低电压噪声的应用（包括通信和成像）。单路放大器 OPA891 和双路放大器 OPA2891 可提供卓越的交流性能，带宽为 140MHz (G = 2)，转换率为 105V/µs，稳定时间为 70ns (0.1%)。 OPAx891 具有稳定的单位增益以及 180MHz 的带宽。这些放大器具有 200mA 的高驱动能力，每个通道只消耗 7.5mA 的电源电流。 OPAx891 在 f = 1MHz 时的总谐波失真 (THD) 为 –100dBc，并具有 0.95nV/√Hz 的超低噪声 超低 0.95nV/√Hz 电压噪声\n \n高速： \n \n180MHz 单位带宽增益积\n \n140MHz 带宽 [G = 2 (–1), –3dB]\n \n105V/µs 转换率\n \n\n \n极低失真 \n \nTHD = -91dBc（f = 1MHz，R L = 150Ω）\n \nTHD = -100dBc（f = 1MHz，R L = 1kΩ）\n \nTHD+N = =137dBc（f = 1kHz，带宽 = 80kHz）\n \n\n \n25°C 时具有 0.2mV（典型值）和 1mV（最大值）的低输入失调电压\n \n200mA 输出电流驱动（典型值）\n \;

TI

德州仪器

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 页数：32 Pages

TI

德州仪器

丝印：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 页数：32 Pages

TI

德州仪器

丝印：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 页数：30 Pages

TI

德州仪器

丝印：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 页数：30 Pages

TI

德州仪器

丝印：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 页数：32 Pages

TI

德州仪器