LT1969 - LT1969是Dual 700MHz, 200mA, Adjustable Current Operational Amplifier
LT1969是Linear公司的一款高输出电流放大器产品，LT1969是Dual 700MHz, 200mA, Adjustable Current Operational Amplifier，本站介绍了LT1969的封装应用图解、特点和优点、功能等，并给出了与LT1969相关的凌力尔特元器件型号供参考。
LT1969 - Dual 700MHz, 200mA, Adjustable Current Operational Amplifier
LT1969 - Dual 700MHz, 200mA, Adjustable Current Operational Amplifier - Linear Technology（凌力尔特）
功能描述
The LT1969 is an adjustable current version of the popular LT1886, a 200mA minimum output current, dual op amp with outstanding distortion performance. The adjustable current feature is highly desirable in applications where minimum power dissipation is required while still being able to provide adequate line termination.
At nominal supply current, the amplifiers are gain of 10 stable and can easily be compensated for lower gains. The LT1969 features balanced high impedance inputs with 4µA input bias current and 4mV maximum input offset voltage. Single supply applications are easy to implement and have lower total noise than current feedback amplifier implementations.
The output drives a 25 Ohms load to ±4.3V with ±6V supplies. On ±2.5V supplies, the output swings ±1.5V with a 100 Ohms load. The amplifier is stable with a 1000pF capacitive load making it useful in buffer and cable driver applications.
The LT1969 is manufactured on Linear Technology’s advanced low voltage complementary bipolar process and is available in a thermally enhanced MS10 package
特点
700MHz Gain Bandwidth ±200mA Minimum IOUT Adjustable Quiescent Current Low Distortion: –72dBc at 1MHz, 4VP-P , 25 Ohms, AV = 2 Stable in AV >/= 10, Simple Compensation for AV < 10 ±4.3V Minimum Output Swing, VS = ±6V, RL = 25 Ohms Stable with 1000pF Load 6nV Rt.Hz Input Noise Voltage 2pA Rt.Hz Input Noise Current 4mV Maximum Input Offset Voltage 4µA Maximum Input Bias Current 400nA Maximum Input Offset Current ±4.5V Minimum Input CMR, VS = ±6V Specified at ±6V, ±2.5V应用
DSL Modems xDSL PCI Cards USB Modems Line Drivers以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
| LT1969CMS | MS-10 | C | $3.75 | $2.95 |
| LT1969CMS#PBF | MS-10 | C | $3.75 | $2.95 |
| LT1969CMS#TR | MS-10 | C | | $3.01 |
| LT1969CMS#TRPBF | MS-10 | C | | $3.01 |
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