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ISL55210IRTZ Fiches technique(PDF) 1 Page - Intersil Corporation |
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ISL55210IRTZ Fiches technique(HTML) 1 Page - Intersil Corporation |
1 / 18 page 1 Wideband, Low-Power, Ultra-High Dynamic Range Differential Amplifier ISL55210 The ISL55210 is a very wide band, Fully Differential Amplifier (FDA) intended for high dynamic range ADC input interface applications. This voltage feedback FDA design includes an independent output common mode voltage control. Intended for very high dynamic range ADC interface applications, at the lowest quiescent power (115mW), the ISL55210 offers a 4.0GHz Gain Bandwidth Product with a very low input noise of 0.85nV/√(Hz). In a balanced differential I/O configuration, with 2VP-P output into a 200Ω load configured for a gain of 15dB, the IM3 terms are <-100dBc through 110MHz. With a minimum operating gain of 2V/V (6dB), the ISL55210 supports a wide range of higher gains with minimal BW or SFDR degradation. Its ultra high differential slew rate of 5,600V/µs ensures clean large signal SFDR performance or a fast settling step response. The ISL55210 requires only a single 3.3V (max 4.2V) power supply with 35mA typical quiescent current. This industry leading low current solution can be further reduced when needed using the optional power shutdown to <0.4mA supply current. External feedback and gain setting resistors give maximum flexibility and accuracy. A companion device, the ISL55211, includes on-chip feedback and 3 possible gain setting connections where an internally fixed gain solution is preferred. The ISL55210 is available in a leadless, 16 Ld TQFN package and is specified for operation over the -40ºC to +85ºC ambient temperature range. Features • Gain Bandwidth Product . . . . . . . . . . . . . . . . . . . . . . . . 4.0GHz • Input Voltage Noise . . . . . . . . . . . . . . . . . . . . . . . 0.85nV/√(Hz) • Differential Slew Rate . . . . . . . . . . . . . . . . . . . . . . . 5,600V/µs •2VP-P, 2-tone IM3 (200Ω) 100MHz . . . . . . . . . . . . . . -109dBc • Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . 3.0V to 4.2V • Quiescent Power (3.3V Supply) . . . . . . . . . . . . . . . . . .115mW Applications • Low Power, High Dynamic Range ADC Interface • Differential Mixer Output Amplifier • SAW Filter Pre/Post Driver • Differential Comms-DAC Output Driver Related Products • Coming Soon: ISL55211 - Fixed Gain Version of the ISL55210 • ISLA112P50 - 12-bit, 500MSPS ADC (<500mW) • Coming Soon: ISLA214P50 - 14-bit, 500MSPS ADC (<850mW) SNRFS = 64.9dBFS HD2 = -83dBc HD3 = -84dBc ENOBFS = 10.5 Bits FIGURE 1. TYPICAL APPLICATION CIRCUIT 0.1µF 1:2 ISL55210 +3.3V + - Vcm 20pF 20pF 33nH 33nH V+ V- ISLA112P50 ADT4-1WT 0.1µF 0.1µF Vb CLK 500MSPS 105MHz SINGLE TONE 180mVpp for -1dBFS 35mA (115mW) Vi 12 Bit <500mW 500kHz Vdiff Vi Vdiff = 17.3dB gain 180MHz SPAN 20log ( ) PD 100 50 100 495 495 210 210 40.2 10k 40.2 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. March 2, 2011 FN7811.0 |
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Description similaire - ISL55210IRTZ |
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