AD6640AST
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Analog Devices Inc. AD6640AST

Manufacturer No:
AD6640AST
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC ADC 12BIT 65MSPS 44-LQFP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD6640AST is a high-speed, high-performance, low-power, monolithic 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is specifically designed to address the needs of multichannel, multimode receivers. It integrates all necessary functions, including track-and-hold (T/H) and reference, on a single chip, providing a complete conversion solution. The AD6640AST operates on a single 5 V supply and delivers CMOS-compatible digital outputs at a sample rate of 65 MSPS.

Key Specifications

ParameterConditionsMinTypMaxUnit
Maximum Conversion RateFull VI-65-MSPS
Minimum Conversion RateFull IV6.5--MSPS
Aperture Delay (tA)+25°C V-400-ps
Aperture Uncertainty (Jitter)+25°C V-0.3-ps rms
ENCODE Pulsewidth High+25°C IV-6.5-ns
ENCODE Pulsewidth Low+25°C IV-6.5-ns
Output Delay (tOD)DVCC = 3.3 V/5.0 V8.510.512.5ns
Signal-to-Noise Ratio (SNR)Analog Input 2.2 MHz, +25°C V-68-dB @ –1 dBFS
SINADAnalog Input 2.2 MHz, +25°C V-68-dB @ –1 dBFS
Worst Harmonic (2nd or 3rd)Analog Input 2.2 MHz, +25°C V-80-dBc @ –1 dBFS

Key Features

  • Fully differential analog input stage specified for frequencies up to 70 MHz, enabling IF sampling.
  • Low power dissipation of 710 mW from a single 5 V supply.
  • CMOS-compatible digital outputs at 65 MSPS.
  • Exceptional noise performance with a typical signal-to-noise ratio (SNR) of 68 dB.
  • High spurious-free dynamic range (SFDR) of 80 dB over a bandwidth of 25 MHz.
  • Uses an innovative multipass architecture and is built on Analog Devices’ high-speed complementary bipolar process (XFCB).
  • Packaged in a 44-lead plastic quad flatpack (LQFP) with an operating temperature range from –40°C to +85°C.

Applications

  • Multichannel, multimode receivers.
  • AMPS, IS-136, CDMA, GSM, WCDMA systems.
  • Single channel digital receivers.
  • Antenna array processing.
  • Communications instrumentation.
  • Radar and infrared imaging.

Q & A

  1. What is the maximum sample rate of the AD6640AST?
    The maximum sample rate of the AD6640AST is 65 MSPS.
  2. What is the power supply requirement for the AD6640AST?
    The AD6640AST operates on a single 5 V supply.
  3. What is the typical signal-to-noise ratio (SNR) of the AD6640AST?
    The typical SNR of the AD6640AST is 68 dB.
  4. What is the spurious-free dynamic range (SFDR) of the AD6640AST?
    The SFDR of the AD6640AST is 80 dB over a bandwidth of 25 MHz.
  5. What type of analog input stage does the AD6640AST have?
    The AD6640AST has a fully differential analog input stage.
  6. What is the operating temperature range of the AD6640AST?
    The operating temperature range of the AD6640AST is from –40°C to +85°C.
  7. What is the package type of the AD6640AST?
    The AD6640AST is packaged in a 44-lead plastic quad flatpack (LQFP).
  8. What are the typical applications of the AD6640AST?
    The AD6640AST is typically used in multichannel, multimode receivers, single channel digital receivers, antenna array processing, communications instrumentation, and radar and infrared imaging.
  9. How much power does the AD6640AST consume?
    The AD6640AST consumes 710 mW of power.
  10. What is the aperture delay of the AD6640AST?
    The aperture delay of the AD6640AST is 400 ps.

Product Attributes

Function:A/D Converter
Frequency:- 
RF Type:Cellular/PCS, GPS
Secondary Attributes:12-Bit, 65MSPS
Mounting Type:Surface Mount
Package / Case:44-LQFP
Supplier Device Package:44-LQFP (10x10)
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$58.92
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