(China (Mainland))
Product Summary
The LT5516EUF is a Direct Conversion Quadrature Demodulator. The LT5516EUF is an 800MHz to 1.5GHz direct conversion quadrature demodulator optimized for high linearity receiver applications. It is suitable for communications receivers where an RF or IF signal is directly converted into I and Q baseband signals with bandwidth up to 260MHz. The LT5516EUF incorporates balanced I and Q mixers, LO buffer amplifiers and a precision, high frequency quadrature generator. In an RF receiver, the high linearity of the LT5516EUF provides excellent spur-free dynamic range, even with fixed gain front end amplification. This direct conversion receiver can eliminate the need for intermediate frequency (IF) signal processing, as well as the corresponding requirements for image filtering and IF filtering. Channel filtering can be performed directly at the outputs of the I and Q channels. These outputs can interface directly to channelselect filters (LPFs) or to a baseband amplifier. The applications of the LT5516EUF include Cellular/PCS/UMTS Infrastructure, High Linearity Direct Conversion I/Q Receiver and High Linearity I/Q Demodulator.
Parametrics
LT5516EUF absolute maximum ratings: (1)Power Supply Voltage: 5.5V; (2)Enable Voltage: 0, VCC; (3)LO+ to LO– Differential Voltage: ±2V(+10dBm Equivalent) ; (4)RF+ to RF– Differential Voltage: ±2V(+10dBm Equivalent); (5)Operating Ambient Temperature: –40℃ to 85℃; (6)Storage Temperature Range: –65℃ to 125℃; (7)Maximum Junction Temperature: 125℃.
Features
LT5516EUF features: (1)Frequency Range: 800MHz to 1.5GHz; (2)High IIP3: 21.5dBm at 900MHz; (3)High IIP2: 52dBm; (4)Noise Figure: 12.8dB at 900MHz; (5)Conversion Gain: 4.3dB at 900MHz; (6)I/Q Gain Mismatch: 0.2dB; (7)Shutdown Mode; (8)16-Lead QFN 4mm x 4mm Package with Exposed Pad.
Diagrams
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 LT5516EUF |
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IC DEMODULATOR QUADRATURE 16-QFN |
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LT5516EUF#PBF |
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IC DEMODULATOR QUADRATURE 16-QFN |
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LT5516EUF#TR |
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IC DEMODULATOR QUADRATURE 16-QFN |
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LT5516EUF#TRPBF |
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IC DEMODULATOR QUADRATURE 16-QFN |
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