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LMH3401IRMST bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMH3401IRMST bảng dữ liệu(HTML) 1 Page - Texas Instruments |
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1 / 50 page  ±120 ±100 ±80 ±60 ±40 ±20 0 1 10 100 1000 Frequency (MHz) HD2 HD3 C002 12.5 W 12.5 W 200 W V CM V OUT- 200 W V IN Filter LMH3401 V OUT+ R O CM R O ADC A IN- A IN+ CM Single-Ended, 50- Source W 50 W 10 W 10 W Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMH3401 SBOS695A – AUGUST 2014 – REVISED DECEMBER 2014 LMH3401 7-GHz, Ultra-Wideband, Fixed-Gain, Fully-Differential Amplifier 1 Features 3 Description The LMH3401 is a very high-performance, differential 1 • Excellent Single-Ended to Differential Conversion amplifier optimized for radio frequency (RF), Performance from DC to 2 GHz intermediate frequency (IF), or high-speed, time- • 7-GHz, –3-dB Bandwidth domain applications. This device is ideal for dc- or ac- • Excellent HD2 and HD3 to 2 GHz: coupled applications that require a single-ended to differential conversion when driving an analog-to- – –96 (HD2), –102 (HD3) at 10 MHz digital converter (ADC). The LMH3401 generates – –79 (HD2), –77 (HD3) at 500 MHz very low levels of second-order and third-order – –64 (HD2), –72 (HD3) at 1 GHz distortion when operating in single-ended-input to differential-output or differential-input to differential- – –55 (HD2), –40 (HD3) at 2 GHz output mode. • Best in Class OIP3 Performance to 2 GHz: The on-chip resistors simplify printed circuit board – 45 dBm at 200 MHz (PCB) implementation and provide the highest – 33 dBm at 1 GHz performance over the usable bandwidth of 2 GHz. – 24 dBm at 2 GHz This performance makes the LMH3401 ideal for applications such as test and measurement, • Fixed Single-Ended to Differential Voltage Gain: broadband communications, and high-speed data 16 dB acquisition. A common-mode reference input pin is • Noise Figure: 9 dB at 200 MHz (RS = 50 Ω) provided to align the amplifier output common-mode • Slew Rate: 18,000 V/µs with the ADC input requirements. Use this device with power supplies between 3.3 V and 5.0 V; dual-supply • Supports Single-Supply or Split-Supply Operation operation is supported when required by the • Powered-Down Feature application. • Supply Current: 55 mA This level of performance is achieved at a very low power level of 275 mW when a 5.0-V supply is used. 2 Applications A power-down feature is also available for power • GSPS ADC Drivers savings. The LMH3401 is fabricated in Texas Instruments' advanced complementary BiCMOS • ADC Drivers for High-Speed Data Acquisition process and is available in a space-saving, 14-lead • ADC Driver for 1-GBPS Ethernet over Microwave UQFN package with a specified operating • DAC Buffers temperature range of –40°C to 85°C. • Wideband Gain Stages Device Information(1) • Single-Ended to Differential Conversions PART NUMBER PACKAGE BODY SIZE (NOM) • Level Shifters LMH3401 UQFN (14) 2.50 mm × 2.50 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. LMH3401 Driving an ADC12J4000 Distortion Products vs Frequency RL = 200 Ω, VOUT = 2 VPP 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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