HMCAD1511 v04.1015 HigH Speed Multi-Mode 8-Bit30 MSpS to 1 gSpS A/d Convertergeneral description the HMCAD1511 is a versatile high performance low power analog-to-digital converter (ADC), utilizing time-interleaving to increase sampling rate. Integrated Cross Point switches activate the input selected by the user. In single channel mode, one of the four inputs can be selected as a valid input to the single ADC channel. In dual channel mode, any two of the four inputs can be selected to each ADC channel. In quad channel mode, any input can be assigned to any ADC channel. An internal, low jitter and programmable clock divider makes it possible to use a single clock source for all operational modes. the HMCAD1511 is based on a proprietary structure, and employs internal reference circuitry, a serial control interface and serial LvDs/rsDs output data. Data and frame synchronization clocks are supplied for data capture at the receiver. Internal 1 to 50X digital coarse gain with enoB > 7.5 up to 16X gain, al ows digital implementation of oscil oscope gain settings. Internal digital fine gain can be set separately for each ADC to calibrate for gain errors. various modes and configuration settings can be applied to the ADC through the serial control interface (sPI). each channel can be powered down independently and data format can be selected through this interface. A full chip idle 0 mode can be set by a single external pin. register settings determine the exact function of this pin. HMCAD1511 is designed to easily interface with Field Programmable Gate Arrays (FPGAs) from several vendors. t electrical Specifications M s dC Specifications AvDD = 1.8v, DvDD = 1.8v, ovDD = 1.8v, Fs = 125 MsPs, Quad Channel Mode, 50% clock duty cycle, -1 dBFs 70 MHz input s - signal, 1x/0 dB digital gain (fine and coarse), unless otherwise noted r ParameterDescriptionMinTypMaxUnit e DC accuracy t no missing codes Guaranteed r offset offset error after internal digital offset correction 0.05 LsB e G Gain error ±6 %Fs abs v Gain matching between channels. ±3 sigma value at worst G ±0.5 %Fs n rel case conditions o DnL Differential non linearity ±0.2 LsB InL Integral non linearity ±0.5 LsB v Common mode voltage output v /2 CM,out AvDD Analog Input v Analog input common mode voltage v -0.1 v +0.2 v CM,in CM CM A / D C Fsr Differential input voltage full scale range 2 vpp C Differential input capacitance, Quad channel mode 5 pF in,Q C Differential input capacitance, Dual channel mode 7 pF in,D C Differential input capacitance, single channel mode 11 pF in,s Power Supply v Analog supply voltage 1.7 1.8 2 v AvDD v Digital and output driver supply voltage 1.7 1.8 2 v DvDD v Digital CMos Input supply voltage 1.7 1.8 3.6 v ovDD Temperature t operating free-air temperature -40 85 °C A Informatio For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, n furnished by Analog Devices is believed to be accurate and reliable. However, no For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringement MA 02062-9106 s of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise Phone: 781-329-4700 • Order online at www.analog.com under any patent or patent rights of Analog Devices. Phone: 781-329-4700 • Order online at www.analog.com 0 - 2 Trademarks and registered trademarks are the property of their respective owners. Application Support: Phone: 1-800-ANALOG-D Application Support: Phone: 1-800-ANALOG-D
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