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OPA2822E-2K5 Datasheet(PDF) 1 Page - Texas Instruments |
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OPA2822E-2K5 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page 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. OPA2822 SBOS188E – MARCH 2001 – REVISED AUGUST 2008 DESCRIPTION The OPA2822 offers very low 2.0nV/ √Hz input noise in a wideband, unity-gain stable, voltage-feedback architecture. Intended for xDSL receiver applications, the OPA2822 also supports this low input noise with exceptionally low harmonic distortion, particularly in differential configurations. Adequate output current is provided to drive the potentially heavy load of a passive filter between this amplifier and the codec. Harmonic distortion for a 2VPP differential output operating from +5V to +12V supplies is ≤ –100dBc through 1MHz input frequencies. Operating on a low 4.8mA/ch supply current, the OPA2822 can satisfy all xDSL receiver requirements over a wide range of possible supply voltages—from a single +5V condition, to ±5V, up to a single +12V design. General-purpose applications on a single +5V supply will benefit from the high input and output voltage swing available on this reduced supply voltage. Low-cost precision integra- tors for PLLs will also benefit from the low voltage noise and offset voltage. Baseband I/Q receiver channels can achieve almost perfect channel match with noise and distortion to support signals through 5MHz with > 14-bit dynamic range. FEATURES q LOW INPUT NOISE VOLTAGE: 2.0nV/ √Hz q HIGH UNITY GAIN BANDWIDTH: 500MHz q HIGH GAIN BANDWIDTH PRODUCT: 240MHz q HIGH OUTPUT CURRENT: 90mA q SINGLE +5V TO +12V OPERATION q LOW SUPPLY CURRENT: 4.8mA/ch Dual, Wideband, Low-Noise Operational Amplifier APPLICATIONS q xDSL DIFFERENTIAL LINE RECEIVERS q HIGH DYNAMIC RANGE ADC DRIVERS q LOW NOISE PLL INTEGRATORS q TRANSIMPEDANCE AMPLIFIERS q PRECISION BASEBAND I/Q AMPLIFIERS q ACTIVE FILTERS FEATURES SINGLES DUALS TRIPLES High Slew Rate OPA690 OPA2690 OPA3690 R/R Input/Output OPA353 OPA2353 — 1.3nV Input Noise OPA846 OPA2686 — 1.5nV Input Noise — THS6062 — OPA2822 RELATED PRODUCTS xDSL Driver OPA2677 xDSL Receiver 500 Ω 500 Ω 500 Ω R O OPA2822 OPA2822 1k Ω 500 Ω n:1 1k Ω R O OPA 2822 www.ti.com Copyright © 2001-2008, Texas Instruments Incorporated All trademarks are the property of their respective owners. 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. www.ti.com |
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