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MAX5863 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX5863 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 26 page General Description The MAX5863 ultra-low-power, highly integrated analog front end is ideal for portable communication equipment such as handsets, PDAs, WLAN, and 3G wireless termi- nals. The MAX5863 integrates dual 8-bit receive ADCs and dual 10-bit transmit DACs while providing the high- est dynamic performance at ultra-low power. The ADCs’ analog I-Q input amplifiers are fully differential and accept 1VP-P full-scale signals. Typical I-Q channel phase matching is ±0.03° and amplitude matching is ±0.03dB. The ADCs feature 48.5dB SINAD and 69dBc spurious-free dynamic range (SFDR) at fIN = 1.875MHz and fCLK = 7.5Msps. The DACs’ analog I-Q outputs are fully differential with ±400mV full-scale output, and 1.4V common-mode level. Typical I-Q channel phase match is ±0.15° and gain match is ±0.05dB. The DACs also fea- ture dual 10-bit resolution with 73dBc SFDR, and 61dB SNR at fOUT = 620kHz and fCLK = 7.5MHz. The ADCs and DACs operate simultaneously or indepen- dently for frequency-division duplex (FDD) and time-divi- sion duplex (TDD) modes. A 3-wire serial interface controls power-down and transceiver modes of opera- tion. The typical operating power is 22.8mW at fCLK = 7.5Msps with the ADCs and DACs operating simultane- ously in transceiver mode. The MAX5863 features an internal 1.024V voltage reference that is stable over the entire operating power-supply range and temperature range. The MAX5863 operates on a +2.7V to +3.3V ana- log power supply and a +1.8V to +3.3V digital I/O power supply for logic compatibility. The quiescent current is 3.5mA in idle mode and 1µA in shutdown mode. The MAX5863 is specified for the extended (-40°C to +85°C) temperature range and is available in a 48-pin thin QFN package. Applications Narrowband/Wideband CDMA Handsets and PDAs Fixed/Mobile Broadband Wireless Modems 3G Wireless Terminals Features o Integrated Dual 8-Bit ADCs and Dual 10-Bit DACs o Ultra-Low Power 22.8mW at fCLK = 7.5MHz (Transceiver Mode) 20.7mW at fCLK = 5.2MHz (Transceiver Mode) Low-Current Idle and Shutdown Modes o Excellent Dynamic Performance 48.5dB SINAD at fIN = 1.875MHz (ADC) 73dBc SFDR at fOUT = 620kHz (DAC) o Excellent Gain/Phase Match ±0.03° Phase, ±0.03dB Gain at fIN = 1.875MHz (ADC) o Internal/External Reference Option o +1.8V to +3.3V Digital Output Level (TTL/CMOS Compatible) o Multiplexed Parallel Digital Input/Output for ADCs/DACs o Miniature 48-Pin Thin QFN Package (7mm ✕ 7mm) o Evaluation Kit Available (Order MAX5865EVKIT) Ultra-Low-Power, High-Dynamic Performance, 7.5Msps Analog Front End ________________________________________________________________ Maxim Integrated Products 1 ADC ADC IA+ IA- QA+ QA- ID+ ID- QD+ QD- REFP COM REFN DIN SCLK CS REFIN DAC DAC ADC OUTPUT MUX DAC INPUT MUX CLK DA0–DA7 DD0–DD9 MAX5863 REF AND BIAS SERIAL INTERFACE AND SYSTEM CONTROL Functional Diagram 19-2914; Rev 1; 10/03 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. EVALUATION KIT AVAILABLE Ordering Information PART TEMP RANGE PIN-PACKAGE MAX5863ETM -40 °C to +85°C 48 Thin QFN-EP* (7mm x 7mm) MAX5863E/D -40 °C to +85°C Dice** *EP = Exposed paddle. **Contact factory for dice specifications. Pin Configuration appears at end of data sheet. |
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