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OPA656N/250 Datasheet(PDF) 1 Page - Texas Instruments |
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OPA656N/250 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page OPA656 (47 pF) λ –Vb 499 k Ω 499 k Ω V O 1 pF Frequency 130 120 110 100 90 80 10kHz 100kHz 1MHz 5MHz 1MHz Bandwidth Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA656 SBOS196H – DECEMBER 2001 – REVISED SEPTEMBER 2015 OPA656 Wideband, Unity-Gain Stable, FET-Input Operational Amplifier 1 Features 3 Description The OPA656 device combines a very wideband, 1 • 500 MHz Unity-gain Bandwidth unity-gain stable, voltage-feedback operational • Low Input Bias Current: 2 pA amplifier with a FET-input stage to offer an ultra high • Low Offset And Drift: ±250 µV, ±2 μV/°C dynamic-range amplifier for Analog-to-Digital Converter (ADC) buffering and transimpedance • Low Distortion: 74-dB SFDR at 5 MHz applications. Extremely low DC errors give good • High-Output Current: 70 mA precision in optical applications. • Low Input Voltage Noise: 7 nV/ √Hz The high unity-gain stable bandwidth and JFET input allows exceptional performance in high-speed, low- 2 Applications noise integrators. • Wideband Photodiode Amplifiers The high input impedance and low bias current • Sample-and-Hold Buffers provided by the FET input is supported by the ultra- • CCD Output Buffers low 7-nV/ √Hz input voltage noise to achieve a very low integrated noise in wideband photodiode • ADC Input Buffers transimpedance applications. • Wideband Precision Amplifiers Broad transimpedance bandwidths are achievable • Test and Measurement Front Ends given the OPA656 device’s high 230-MHz gain bandwidth product. As shown below, a –3-dB bandwidth of 1 MHz is provided even for a high 1-M Ω transimpedance gain from a 47-pF source capacitance. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (8) 2.90 mm × 1.60 mm OPA656 SOT-23 (5) 4.90 mm × 3.91 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. 1-M Ω Transimpedance Bandwidth Wideband Photodiode Transimpedance Amplifier 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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