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OPA820IDBVR Datasheet(PDF) 1 Page - Burr-Brown (TI) |
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OPA820IDBVR Datasheet(HTML) 1 Page - Burr-Brown (TI) |
1 / 25 page FEATURES D HIGH BANDWIDTH (240MHz, G = +2) D HIGH OUTPUT CURRENT (±110mA) D LOW INPUT NOISE (2.5nV/√Hz) D LOW SUPPLY CURRENT (5.6mA) D FLEXIBLE SUPPLY VOLTAGE Dual ±2.5V to ±6V Single +5V to +12V D EXCELLENT DC ACCURACY Maximum 25 °C Input Offset Voltage = ±750µV Maximum 25 °C Input Offset Current = ±400nA APPLICATIONS D LOW-COST VIDEO LINE DRIVERS D ADC PREAMPLIFIERS D ACTIVE FILTERS D LOW-NOISE INTEGRATORS D PORTABLE TEST EQUIPMENT D OPTICAL CHANNEL AMPLIFIERS D LOW-POWER, BASEBAND AMPLIFIERS D CCD IMAGING CHANNEL AMPLIFIERS D OPA650 AND OPA620 UPGRADE DESCRIPTION The OPA820 provides a wideband, unity-gain stable, voltage-feedback amplifier with a very low input noise voltage and high output current using a low 5.6mA supply current. At unity-gain, the OPA820 gives > 800MHz bandwidth with < 1dB peaking. The OPA820 complements this high-speed operation with excellent DC precision in a low-power device. A worst-case input offset voltage of ±750µV and an offset current of ±400nA give excellent absolute DC precision for pulse amplifier applications. Minimal input and output voltage swing headroom allow the OPA820 to operate on a single +5V supply with > 2VPP output swing. While not a rail-to-rail (RR) output, this swing will support most emerging analog-to-digital converter (ADC) input ranges with lower power and noise than typical RR output op amps. Exceptionally low dG/dP (0.01%/0.03 °) supports low-cost composite video line driver applications. Existing designs can use the industry-standard pinout SO-8 package while emerging high-density portable applications can use the SOT23-5. Offering the industry’s lowest thermal impedance in a SOT package, along with full specification over both the commercial and industrial temperature ranges, gives solid performance over a wide temperature range. RELATED PRODUCTS SINGLES DUALS TRIPLES QUADS FEATURES OPA354 OPA2354 — OPA4354 CMOS RR Output OPA690 OPA2690 OPA3690 — High Slew Rate — OPA2652 — — SOT23-8 — OPA2822 — — Low Noise — — — OPA4820 Quad OPA820 AC-Coupled, 14-Bit ADS850 Interface OPA820 V IN 402 Ω 402 Ω ADS850 14−Bit 10MSPS R S 24.9 Ω 2k Ω 2k Ω 2k Ω 2k Ω 0.1 µF 0.1 µF IN IN (+2V) REFB (+1V) VREF SEL REFT (+3V) 100pF +5V −5V 50 Ω +5V OPA820 SBOS303A − JUNE 2004 − REVISED JULY 2004 Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. www.ti.com Copyright 2004, Texas Instruments Incorporated 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. All trademarks are the property of their respective owners. |
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