AD6649BCPZ Part Information

Details for AD6649BCPZ by Analog Devices

Semiconductors - ICs>Data & Signal Conversion>Analog-to-Digital Converters - ADC

Part Description

The AD6649 is a mixed-signal intermediate frequency (IF) receiver consisting of dual 14-bit, 250 MSPS ADCs and a wideband digital downconverter (DDC). The AD6649 is designed to support communications applications, where low cost, small size, wide bandwidth, and versatility are desired. The dual ADC cores feature a multistage, differential pipelined architecture with integrated output error correction logic. Each ADC features wide bandwidth inputs supporting a variety of user-selectable input ranges. An integrated voltage reference eases design considerations. A duty cycle stabilizer is provided to compensate for variations in the ADC clock duty cycle, allowing the converters to maintain excellent performance.

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Part Features

  • SNR = 73.0 dBFS in a 95 MHz bandwidth at 185 MHz AIN and 245.76 MSPS SFDR = 85 dBc at 185 MHz AIN and 250 MSPS Noise density = u2212151.2 dBFS/Hz input at 185 MHz, u22121 dBFS AIN and 250 MSPS Total power consumption: 1 W with fixed-frequency NCO, 95 MHz FIR filter 1.8 V supply voltages LVDS (ANSI-644 levels) outputs Integer 1-to-8 input clock divider (625 MHz maximum input) Integrated dual-channel ADC Sample rates of up to 250 MSPS IF sampling frequencies to 400 MHz Internal ADC voltage reference Flexible input range 1.4 V p-p to 2.1 V p-p (1.75 V p-p nominal) ADC clock duty cycle stabilizer 95 dB channel isolation/crosstalk Integrated wideband digital processor 32-bit complex numerically controlled oscillator (NCO) FIR filter with 2 modes Real output from an fS/4 output NCO Amplitude detect bits for efficient AGC implementation Energy saving power-down modes Decimated, interleaved real LVDS data outputs

Part Specifications

Resolution (Bits) 14bit
Sampling Rate 250MSPS
Input Channel Type Differential
Data Interface Serial SPI
Supply Voltage Type Single
Supply Voltage Min 1.7V
Supply Voltage Max 1.9V
ADC / DAC Case Style LFCSP
No. of Pins 64Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (07-Jul-2017)
Base Number 6649
No. of Channels 2Channels
Operating Temperature Range -40°C to +85°C
Supply Current 271mA
Supply Voltage Range 1.7V to 1.9V
Supply Voltage Range - Analogue 1.7V to 1.9V
RoHS Compliant

Frequently Asked Questions

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What category does AD6649BCPZ fall under?

The AD6649BCPZ is listed under Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC.

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You can view similar parts to AD6649BCPZ when available in the Analog-to-Digital Converters - ADC range under the specifications section at the bottom of the details page.

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Yes. This part has been flagged as RoHS Compliant by Farnell.

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