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OPA2674 数据表(PDF) 1 Page - Burr-Brown (TI) |
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OPA2674 数据表(HTML) 1 Page - Burr-Brown (TI) |
1 / 10 page FEATURES D WIDEBAND +12V OPERATION: 220MHz (G = +4) D UNITY-GAIN STABLE: 250MHz (G = +1) D HIGH OUTPUT CURRENT: 500mA D OUTPUT VOLTAGE SWING: 10VPP D HIGH SLEW RATE: 2000V/µs D LOW SUPPLY CURRENT: 18mA D FLEXIBLE POWER CONTROL: SO-14 Only D OUTPUT CURRENT LIMIT (±800mA) APPLICATIONS D POWER LINE MODEM D xDSL LINE DRIVERS D CABLE MODEM DRIVERS D MATCHED I/Q CHANNEL AMPLIFIERS D BROADBAND VIDEO LINE DRIVERS D ARB LINE DRIVERS D HIGH CAP LOAD DRIVER OPA2674 RELATED PRODUCTS SINGLES DUALS TRIPLES NOTES OPA691 OPA2691 OPA3691 Single +12V Capable THS6042 ±15V Capable OPA2677 Single +12V Capable DESCRIPTION The OPA2674 provides the high output current and low distortion required in emerging xDSL and Power Line Modem driver applications. Operating on a single +12V supply, the OPA2674 consumes a low 9mA/ch quiescent current to deliver a very high 500mA output current. This output current supports even the most demanding ADSL CPE requirements with > 380mA minimum output current (+25 °C minimum value) with low harmonic distortion. Differential driver applications deliver < −85dBc distortion at the peak upstream power levels of full rate ADSL. The high 200MHz bandwidth also supports the most demanding VDSL line driver requirements. Power control features are included in the SO-14 package version to allow system power to be minimized. Two logic control lines allow four quiescent power settings. These include full power, power cutback for short loops, idle state for no signal transmission but line match maintenance, and shutdown for power off with a high impedance output. Specified on ±6V supplies (to support +12V operation), the OPA2674 will also support a single +5V or dual ±5V supply. Video applications will benefit from a very high output current to drive up to 10 parallel video loads (15 Ω) with < 0.1%/0.1 ° dG/dP nonlinearity. Single−Supply CPE Upstream Driver 82.5 Ω 2k Ω 2k Ω 1 µF 17.4 Ω 100 Ω 2V PP AFE Output 324 Ω 20 Ω 324 Ω 1/2 OP A 26 74 1/2 OP A 26 74 +12V 1:1.7 15V PP Twisted Pair 17.7V PP 20 Ω 17.4 Ω +6.0V OPA2674 SBOS270 − AUGUST 2003 Dual Wideband, High Output Current Operational Amplifier with Current Limit www.ti.com Copyright 2003, 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. 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. |
类似零件编号 - OPA2674 |
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类似说明 - OPA2674 |
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