LT1993-2 - LT1993-2是800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V)
LT1993-2是Linear公司的一款高速放大器产品，LT1993-2是800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V)，本站介绍了LT1993-2的封装应用图解、特点和优点、功能等，并给出了与LT1993-2相关的凌力尔特元器件型号供参考。
LT1993-2 - 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V)
LT1993-2 - 800MHz Low Distortion, Low Noise Differential Amplifier ADC Driver (Av = 2V/V) - Linear Technology（凌力尔特）
功能描述
The LT1993-2 is a low distortion, low noise Differential Ampli?er/ADC driver for use in applications from DC to 800MHz. The LT1993-2 has been designed for ease of use, with minimal support circuitry required. Exceptionally low input-referred noise and low distortion products (with either single-ended or differential inputs) make the LT1993-2 an excellent solution for driving high speed 12- bit and 14-bit ADCs. In addition to the normal un? ltered outputs (+OUT and –OUT), the LT1993-2 has a built-in 175MHz differential low pass ? lter and an additional pair of ?ltered outputs (+OUTFILTERED, –OUTFILTERED) to reduce external ? ltering components when driving high speed ADCs. The output common mode voltage is easily set via the VOCM pin, eliminating either an output transformer or AC-coupling capacitors in many applications.
The LT1993-2 is designed to meet the demanding requirements of communications transceiver applications. It can be used as a differential ADC driver, a general-purpose differential gain block, or in any other application requiring differential drive. The LT1993-2 can be used in data acquisition systems required to function at frequencies down to DC.
The LT1993-2 operates on a 5V supply and consumes 100mA. It comes in a compact 16-lead 3 × 3 QFN package and operates over a –40°C to 85°C temperature range.
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特点
800MHz –3dB Bandwidth Fixed Gain of 2V/V (6dB) Low Distortion:?? 38dBm OIP3, –70dBc HD3 (70MHz, 2VP-P)?? 51dBm OIP3, –94dBc HD3 (10MHz, 2VP-P) Low Noise: 12.3dB NF, en = 3.8nV/√Hz (70MHz) Differential Inputs and Outputs Additional Filtered Outputs Adjustable Output Common Mode Voltage DC- or AC-Coupled Operation Minimal Support Circuitry Required Small 0.75mm Tall 16-Lead 3 × 3 QFN Package应用
Differential ADC Driver for: Imaging Communications Differential Driver/Receiver Single Ended to Differential Conversion Differential to Single Ended Conversion Level Shifting IF Sampling Receivers SAW Filter Interfacing/Buffering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) |
| LT1993CUD-2 | 3x3 QFN-16 | C | $4.20 | $2.95 |
| LT1993CUD-2#PBF | 3x3 QFN-16 | C | $4.20 | $2.95 |
| LT1993CUD-2#TR | 3x3 QFN-16 | C | | $3.01 |
| LT1993CUD-2#TRPBF | 3x3 QFN-16 | C | | $3.01 |
| LT1993IUD-2 | 3x3 QFN-16 | I | $4.65 | $3.40 |
| LT1993IUD-2#PBF | 3x3 QFN-16 | I | $4.65 | $3.40 |
| LT1993IUD-2#TR | 3x3 QFN-16 | I | | $3.46 |
| LT1993IUD-2#TRPBF | 3x3 QFN-16 | I | | $3.46 |
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