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DAC1617D1G0 датащи(PDF) 1 Page - Integrated Device Technology |
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DAC1617D1G0 датащи(HTML) 1 Page - Integrated Device Technology |
1 / 78 page ® 1. General description The DAC1617D1G0 is a high-speed 16-bit dual channel Digital-to-Analog Converter (DAC) with selectable 2, 4 and 8 interpolation filters. The device is optimized for multi-carrier and broadband wireless transmitters at sample rates of up to 1 Gsps. Supplied from a 3.3 V and a 1.8 V source, the DAC1617D1G0 integrates a differential scalable output current up to 34 mA. The Serial Peripheral Interface (SPI) provides full control of the DAC1617D1G0. The DAC1617D1G0 integrates a Low Voltage Differential Signaling (LVDS) Double Data Rate (DDR) receiver interface, with an on-chip 100 termination. The LVDS DDR interface accepts a multiplex input data stream such as interleaved or folded. An internal LVDS input auto-calibration ensures the robustness and stability of the interface. Digital on-chip modulation converts the complex I and Q inputs from baseband to IF. A 40-bit Numerically Controlled Oscillator (NCO) sets the mixer frequency. High resolution internal gain, phase and offset control provide outstanding image and Local Oscillator (LO) signal rejection at the system analog modulator output. An inverse (sin x) / x function ensures a controlled flatness 0.5 dB for high bandwidths at the DAC output. Multiple device synchronization allows synchronization of the outputs of multiple DAC devices. MDS guarantees a maximum skew of one output clock period between several devices. The DAC1617D1G0 includes a very low noise capacitor-free integrated Phase-Locked Loop (PLL) multiplier which generates a DAC clock rate from the LVDS clock rate. The DAC1617D1G0 is available in an HVQFN72 package (10 mm 10 mm). 2. Features and benefits DAC1617D1G0 Dual 16-bit DAC, LVDS interface, up to 1 Gsps, x2, x4 and x8 interpolating Rev. 03 — 2 July 2012 Preliminary data sheet Dual-channel 16-bit resolution Synchronization of multiple DAC devices 1 Gsps maximum update rate 3-wire or 4-wire mode SPI interface Selectable 2, 4 and 8 interpolation filters Differential scalable output current from 8.1 mA to 34 mA Very low noise capacitor-free integrated Phase-Locked Loop (PLL) External analog offset control (10-bit auxiliary DACs) |
Аналогичный номер детали - DAC1617D1G0 |
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Аналогичное описание - DAC1617D1G0 |
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