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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LT1469 Fiches technique(PDF) 1 Page - Linear Technology |
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LT1469 Fiches technique(HTML) 1 Page - Linear Technology |
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1 / 12 page  LT1469 1 1469fa TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Dual 90MHz, 22V/µs 16-Bit Accurate Operational Amplifier The LT®1469 is a dual, precision high speed operational amplifier with 16-bit accuracy and 900ns settling to 150μV for 10V steps. This unique blend of precision and AC performance makes the LT1469 the optimum choice for high accuracy applications such as DAC current-to-voltage conversion and ADC buffers. The initial accuracy and drift characteristics of the input offset voltage and inverting input bias current are tailored for inverting applications. The 90MHz gain bandwidth ensures high open-loop gain at frequency for reducing distortion. In noninverting ap- plications such as an ADC buffer, the low distortion and DC accuracy allow full 16-bit AC and DC performance. The 22V/μs slew rate of the LT1469 improves large signal performance compared to other precision op amps in applications such as active filters and instrumentation amplifiers. The LT1469 is available in a space saving 4mm × 4mm leadless package, as well as in small outline and DIP pack- ages. A single version, the LT1468, is also available. 16-Bit DAC I-to-V Converter and Reference Inverter for Bipolar Output Swing (VOUT = –10V to 10V) n 90MHz Gain Bandwidth, f = 100kHz n Maximum Input Offset Voltage: 125μV n Settling Time: 900ns (AV = –1, 150μV, 10V Step) n 22V/μs Slew Rate n Low Distortion: –96.5dB for 100kHz, 10VP-P n Maximum Input Offset Voltage Drift: 3μV/°C n Maximum Inverting Input Bias Current: 10nA n Minimum DC Gain: 300V/mV n Minimum Output Swing into 2k: ±12.8V n Unity-Gain Stable n Input Noise Voltage: 5nV/√Hz n Input Noise Current: 0.6pA/√Hz n Total Input Noise Optimized for 1kΩ < RS < 20kΩ n Specified at ±5V and ±15V Supplies n Precision Instrumentation n High Accuracy Data Acquisition Systems n 16-Bit DAC Current-to-Voltage Converter n ADC Buffer n Low Distortion Active Filters n Photodiode Amplifiers L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Bipolar Multiplying Mode (LTC1597) Signal-to-(Noise + Distortion) 15pF 2.4μs SETTLING TIME TO 1LSB ON 20V STEP RLPF LTC1597 16 BITS DAC INPUTS VREF 1469 TA01 15pF CLPF VOUT – + 1/2 LT1469 1/2 LT1469 12k 12k 12k 12k –15V 15V FREQUENCY (Hz) 90 70 50 40 10 1k 10k 100k 1469 TA01a 110 100 60 80 100 DAC INPUT CODE = ALL ZEROS VREF = 20VP-P 500kHz FILTER 80kHz FILTER 30kHz FILTER |
Numéro de pièce similaire - LT1469 |
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Description similaire - LT1469 |
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