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LMH6518 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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4 / 40 page LMH6518 SNOSB21A – MAY 2008 – REVISED OCTOBER 2008 www.ti.com Electrical Characteristics (1) (continued) Unless otherwise specified, all limits are guaranteed for TA = 25°C, Input CM = 2.5V, VCM = 1.2V, VCM_Aux = 1.2V, Single- ended input drive, VCC = 5V, VDD = 3.3V, RL = 100Ω differential (both Main & Auxiliary Outputs), VOUT = 0.7 VPP differential (both Main & Auxiliary Outputs), both Main and Auxiliary Output Specifications, full bandwidth setting, gain = 18.8 dB (Preamp LG, 0 dB ladder attenuation), Full Power setting (2). Electrical Characteristics Definition of Terms and Specifications for abbreviations used in the datasheet. Boldface limits apply at the temperature extremes. Symbol Parameter Condition Min(3) Typ(4) Max(3) Units NF_1 Noise Figure Max Gain, RS = 50Ω each Input, 3.8 10 MHz dB NF_2 Preamp LG, 0 dB Ladder, RS = 50Ω 13.5 each Input, 10 MHz HD2/ HD3_1 2nd/ 3rd Harmonic Distortion(6) Main Output, 100 MHz, All Gains −50/ −53 HD2/ HD3_2 Auxiliary Output, 100 MHz, All Gains −48/ −50 dBc HD2/ HD3_3 Main Output, 250 MHz, All Gains −44/ −50 HD2/ HD3_4 Auxiliary Output, 250 MHz, All Gains −42/ −42 IMD3 Intermodulation Distortion (6) f = 250 MHz, Main output −65 dBc OIP3_1 Intermodulation Intercept (6) Main Output, 250 MHz 26 dBm P_1dB_main −1 dB Compression Main Output, 250 MHz, 0 dB Ladder 1.8 Main Output, 250 MHz, 20 dB Ladder 1.0 P_1dB_aux Auxiliary Output, 250 MHz, 1.65 VPP 0 dB Ladder Auxiliary Output, 250 MHz, 1.0 20 dB Ladder Gain Parameters AV_DIFF_MAX Max Gain 38.1 38.8 39.5 dB AV_DIFF_MIN Min Gain −1.91 −1.16 −0.40 dB Gain_Step Gain Step Size All Gains including Preamp Step 1.8 2 2.2 dB Gain Step Size with ADC(See ADC FS Adjusted 8.5 mdB Applications Information) Gain_Range Gain Range 39 40 41 dB TC_AV_DIFF Gain Temp Coefficient (7) All Gains −0.8 mdB/°C Gain_ACC Absolute Gain Accuracy Compared to theoretical from 0.75 — +0.75 dB Max Gain in 2 dB steps Matching Gain_match Gain Matching Main/Auxiliary All Gains ±0.1 ±0.2 dB BW_match −3 dB Bandwidth Matching All Gains 5 % Main/Auxiliary RT_match Rise Time Matching Main/ Auxiliary All Gains 5 % PD_match Propagation Delay Matching All Gains 100 ps Main/Auxiliary Analog I/O CMRR_1 CM Rejection Ratio (see Table 1) Preamp HG, 0 dB Ladder, 1.9V < 45 86 CMVR < 3.1V dB CMRR_2 Preamp LG, 0 dB Ladder, 1.9V < 40 55 CMVR < 3.1V CMVR_1 Input Common Mode Voltage Range Preamp HG, All Ladder Steps, CMRR 1.9 — 3.1 ≥ 45 dB V CMVR_2 Preamp LG, All Ladder Steps, CMRR 1.9 — 3.1 ≥ 40 dB | ΔVO_CM|ΔI_CM| All Gains, 2V < CMVR < 3V −60 −100 dB CMRR_CM CM Rejection Ratio relative to VCM (see Preamp LG, 0 dB 101 dB Table 1) (6) Distortion data taken under single ended input condition. (7) Drift determined by dividing the change in parameter at temperature extremes by the total temperature change. 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Links: LMH6518 |
Số phần tương tự - LMH6518_14 |
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Mô tả tương tự - LMH6518_14 |
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