AD6649BCPZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD6649BCPZ - Analog Devices

Features

  • feature
    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

Description

ADC IF RCVR 14BIT 250MSPS 64LFCSP

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.

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