AD7657BSTZ-REEL
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Analog Devices Inc. AD7657BSTZ-REEL

Manufacturer No:
AD7657BSTZ-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC ADC 14BIT SAR 64LQFP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7657BSTZ-REEL is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7656/AD7657/AD7658 family and is designed for high-speed data acquisition applications. It features six 14-bit ADCs, each capable of sampling at 250 kSPS, making it suitable for a wide range of industrial, medical, and automotive applications. The device includes track-and-hold amplifiers that can handle input frequencies up to 12 MHz and supports both parallel and high-speed serial interfaces.

Key Specifications

ParameterValueUnitTest Conditions/Comments
Number of ADCs6--
Resolution14-bit--
Sampling Rate250 kSPS--
Input Range±4 × VREF, ±2 × VREF-True bipolar input signals
Reference Voltage2.5 V-On-chip reference
Conversion Time3.1 µs-Max
Track-and-Hold Acquisition Time550 ns-Max
InterfaceParallel and high-speed serial-Daisy-chain feature in serial mode
Package64-Lead Low Profile Quad Flat Package (LQFP)--
Operating Temperature−40°C to +85°C--

Key Features

  • Six true bipolar, high impedance analog inputs.
  • High-speed parallel and serial interfaces with daisy-chain capability in serial mode.
  • On-chip 2.5 V reference voltage.
  • Independent, simultaneous sampling of the three ADC pairs using three CONVST pins.
  • Track-and-hold amplifiers capable of handling input frequencies up to 12 MHz.
  • ROHS3 compliant.

Applications

The AD7657BSTZ-REEL is versatile and can be used in various applications, including:

  • Industrial automation and control systems.
  • Medical devices such as patient monitoring systems and diagnostic equipment.
  • Automotive systems, including engine control units and safety systems.
  • Data acquisition systems in scientific and research environments.
  • Aerospace and defense applications requiring high reliability and precision.

Q & A

  1. What is the resolution of the AD7657BSTZ-REEL ADC?
    The AD7657BSTZ-REEL has a resolution of 14 bits.
  2. What is the maximum sampling rate of the AD7657BSTZ-REEL?
    The maximum sampling rate is 250 kSPS.
  3. What types of interfaces does the AD7657BSTZ-REEL support?
    The device supports both high-speed parallel and serial interfaces.
  4. Can the AD7657BSTZ-REEL handle bipolar input signals?
    Yes, it can handle true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
  5. What is the operating temperature range of the AD7657BSTZ-REEL?
    The operating temperature range is −40°C to +85°C.
  6. Does the AD7657BSTZ-REEL have an on-chip reference voltage?
    Yes, it includes an on-chip 2.5 V reference voltage.
  7. How many ADCs are integrated into the AD7657BSTZ-REEL?
    The device includes six 14-bit ADCs.
  8. What is the package type of the AD7657BSTZ-REEL?
    The package type is a 64-Lead Low Profile Quad Flat Package (LQFP).
  9. Is the AD7657BSTZ-REEL ROHS compliant?
    Yes, it is ROHS3 compliant.
  10. Can multiple AD7657BSTZ-REEL devices be connected in a daisy-chain configuration?
    Yes, in serial interface mode, the parts have a daisy-chain feature that allows multiple ADCs to connect to a single serial interface.

Product Attributes

Number of Bits:14
Sampling Rate (Per Second):250k
Number of Inputs:6
Input Type:Single Ended
Data Interface:SPI, Parallel, DSP
Configuration:S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:6
Architecture:SAR
Reference Type:External, Internal
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
Features:Simultaneous Sampling, True Bipolar
Operating Temperature:-40°C ~ 85°C
Package / Case:64-LQFP
Supplier Device Package:64-LQFP (10x10)
Mounting Type:Surface Mount
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$17.90
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Similar Products

Part Number AD7657BSTZ-REEL AD7658BSTZ-REEL AD7657YSTZ-REEL AD7656BSTZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Obsolete Active
Number of Bits 14 12 14 16
Sampling Rate (Per Second) 250k 250k 250k 250k
Number of Inputs 6 6 6 6
Input Type Single Ended Single Ended Single Ended Single Ended
Data Interface SPI, Parallel, DSP SPI, Parallel, DSP SPI, Parallel, DSP SPI, Parallel, DSP
Configuration S/H-ADC S/H-ADC S/H-ADC S/H-ADC
Ratio - S/H:ADC 1:1 1:1 1:1 1:1
Number of A/D Converters 6 6 6 6
Architecture SAR SAR SAR SAR
Reference Type External, Internal External, Internal External, Internal External, Internal
Voltage - Supply, Analog 5V 5V 5V 5V
Voltage - Supply, Digital 5V 5V 5V 5V
Features Simultaneous Sampling, True Bipolar Simultaneous Sampling, True Bipolar Simultaneous Sampling, True Bipolar Simultaneous Sampling, True Bipolar
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 85°C
Package / Case 64-LQFP 64-LQFP 64-LQFP 64-LQFP
Supplier Device Package 64-LQFP (10x10) 64-LQFP (10x10) 64-LQFP (10x10) 64-LQFP (10x10)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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