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OPA1S2385IDRCT Datasheet(PDF) 1 Page - Texas Instruments |
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OPA1S2385IDRCT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page OPA1S2384/5 A OUT A -IN A +IN A B IN S +IN B -IN B V- V+ SC (1) OUT B OPA1S2384 OPA1S2385 www.ti.com SBOS645A – DECEMBER 2012 – REVISED JUNE 2013 250-MHz, CMOS Transimpedance Amplifier (TIA) with Integrated Switch and Buffer Check for Samples: OPA1S2384, OPA1S2385 1 FEATURES DESCRIPTION The OPA1S2384 and OPA1S2385 (OPA1S238x) 2 • Wide Bandwidth: 250 MHz combine high bandwidth, FET-input operational • High Slew Rate: 150 V/ μs amplifiers with a fast SPST CMOS switch designed • Rail-to-Rail Input/Output (I/O) for applications that require the tracking and capturing of fast signals. • Fast Settling • Low Input Bias Current: 3 pA By providing a 250-MHz gain bandwidth product and rail-to-rail input/output swings in single-supply • High Input Impedance: 1013 Ω || 2 pF operation, the OPA1S238x is capable of wideband • SPST Switch: transimpedance gain and large output signal swing – Low On-Resistance: 4 Ω simultaneously. Low input bias current and voltage noise (6 nV/ √Hz) make it possible to amplify – Low Charge Injection: 1 pC extremely low-level input signals for maximum signal- – Low Leakage Current: 10 pA to-noise ratio. • Flexible Configuration: The characteristics of the OPA1S238x make this – Transimpedance Gain device ideally suited for use as a wideband – External Hold Capacitor photodiode amplifier. – Post-Gain In addition, the CMOS switch and subsequent buffer • Single Supply: +2.7 V to +5.5 V amplifier allow the OPA1S238x to be easily configured as a fast sample-and-hold circuit. The • Quiescent Current: 9.2 mA external hold capacitor and post-gain options make • Small Package: 3-mm × 3-mm SON-10 the OPA1S238x easily adaptable to a wide range of • OPA1S2384: Internal Switch Active High speed and accuracy requirements. Note that the OPA1S2384 closes the internal switch with a logic- • OPA1S2385: Internal Switch Active Low high signal, and the OPA1S2385 closes the internal switch with a logic-low signal. APPLICATIONS The OPA1S238x are optimized for low-voltage • Communications: operation from as low as +2.7 V up to +5.5 V. These – Optical Networking: EPON, GPON devices are specified for a temperature range of – Signal Strength Monitors –40°C to +85°C. – Burst-Mode RSSI • Photodiode Monitoring • Fast Sample-and-Hold Circuits • Charge Amplifiers • High-Speed Integrators (1) The OPA1S2384 internal switch is active high; the OPA1S2384 internal switch is active low. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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