MAX1003 Datasheet | Maxim Integrated

Description The MAX1003 is a dual, 6-bit analog-to-digital converter (ADC) that bines high-speed, low-power operation with a user-selectable input range, an internal reference, and a clock oscillator. The dual parallel ADCs are designed to convert in-phase (I) and quadrature (Q) analog signals into two 6-bit, offset-binary-coded digital outputs at sampling rates up to 90Msps. The ability to directly interface with baseband I and Q signals makes the MAX1003 ideal for use in direct-broadcast satellite, VSAT, and QAM16 demodulation applications. The MAX1003 input amplifiers feature true differential inputs, a -0.5d B analog bandwidth of 55MHz, and userprogrammable input full-scale ranges of 125m Vp-p, 250m Vp-p, or 500m Vp-p. With an AC-coupled input signal, matching performance between input channels is typically better than 0.1d B gain, 1/4LSB offset, and 0.5° phase. Dynamic performance is 5.85 effective number of bits (ENOB) with a 20MHz analog input signal, or 5.7 ENOB with a 50MHz signal. The MAX1003 operates with +5V analog and +3.3V digital supplies for easy interfacing to +3.3V-logic-patible digital signal processors and microprocessors. It es in a 36-pin SSOP package. ________________________Applications Direct Broadcast Satellite (DBS) Receivers VSAT Receivers Wide Local Area Networks (WLANs) Cable Television Set-Top Boxes ______________Ordering Information PART MAX1003CAX TEMP. RANGE 0°C to +70°C PIN-PACKAGE 36 SSOP Pin Configuration appears at end of data sheet. _________________________________________________________Functional Diagram IOCC+ IIN+ INPUT AMP I OFFSET CORRECTION I IOCC6 6 IIN- ADC I VREF DATA BUFFER I DI0- DI5 CLOCK OUT BANDGAP REFERENCE CLOCK DRIVER DCLK TNK+ TNK- GAIN OFFSET CORRECTION Q QIN+ INPUT AMP Q QOCC+ VREF ADC Q 6 DATA BUFFER Q 6 DQ0- DQ5 QIN- QOCC- ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://.maxim-ic.,...