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LMH6503MA bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMH6503MA bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 33 page LMH6503 www.ti.com SNOSA78E – OCTOBER 2003 – REVISED APRIL 2013 LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier Check for Samples: LMH6503 1 FEATURES DESCRIPTION The LMH™6503 is a wideband, DC coupled, 23 • VS = ±5V, TA = 25°C, RF = 1kΩ, RG = 174Ω, RL = differential input, voltage controlled gain stage 100 Ω, AV = AV(MAX) = 10, Typical Values Unless followed by a high-speed current feedback Op Amp Specified. which can directly drive a low impedance load. Gain • -3dB BW 135MHz adjustment range is more than 70dB for up to 10MHz. • Gain Control BW 100MHz Maximum gain is set by external components and the • Adjustment Range (Typical Over Temp) 70dB gain can be reduced all the way to cut-off. Power consumption is 370mW with a speed of 135MHz . • Gain Matching (Limit) ±0.7dB Output referred DC offset voltage is less than 350mV • Slew Rate 1800V/µs over the entire gain control voltage range. Device-to- • Supply Current (No Load) 37mA device Gain matching is within 0.7dB at maximum gain. Furthermore, gain at any VG is tested and the • Linear Output Current ±75mA tolerance is ensured. The output current feedback Op • Output Voltage (RL = 100Ω) ±3.2V Amp allows high frequency large signals (Slew Rate • Input Voltage Noise 6.6nV/ √Hz = 1800V/ μs) and can also drive heavy load current • Input Current Noise 2.4pA/ √Hz (75mA). Differential inputs allow common mode rejection in low level amplification or in applications • THD (20MHz, RL = 100Ω, VO = 2VPP) −57dBc where signals are carried over relatively long wires. • Replacement for CLC522 For single ended operation, the unused input can easily be tied to ground (or to a virtual half-supply in APPLICATIONS single supply application). Inverting or non-inverting gains could be obtained by choosing one input • Variable Attenuator polarity or the other. • AGC To further increase versatility when used in a single • Voltage Controller Filter supply application, gain control range is set to be • Multiplier from −1V to +1V relative to pin 11 potential (ground pin). In single supply operation, this ground pin is tied to a "virtual" half supply. Gain control pin has high input impedance to simplify its drive requirement. Gain control is linear in V/V throughout the gain adjustment range. Maximum gain can be set to be anywhere between 1V/V to 100V/V or higher. For linear in dB gain control applications, see LMH6502 datasheet. The LMH6503 is available in the SOIC-14 and TSSOP-14 package. 1 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. 2 LMH is a trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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