AD7690BCPZRL
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Analog Devices Inc. AD7690BCPZRL

Manufacturer No:
AD7690BCPZRL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC ADC 18BIT SAR 10LFCSP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7690BCPZ-RL, produced by Analog Devices Inc., is an 18-bit, successive approximation analog-to-digital converter (ADC) designed for high precision and low power consumption. This ADC operates from a single power supply, ranging from 4.75 V to 5.25 V, and is capable of converting 400,000 samples per second (400 kSPS). It features an on-chip track-and-hold circuit and does not exhibit pipeline delay or latency, making it ideal for multiple multiplexed channel applications.

Key Specifications

Parameter Min Typ Max Unit
Resolution 18 bits
Sampling Rate 400 kSPS
Power Supply 4.75 5 5.25 V
Power Consumption 17 mW @ 400 kSPS, VDD = 5 V
Acquisition Time 400 ns
Conversion Time 0.5 2.1 µs
Temperature Range -40 85 °C
Package 10-lead MSOP or 10-lead LFCSP

Key Features

  • Successive approximation architecture with charge redistribution DAC.
  • On-chip track-and-hold circuit with no pipeline delay or latency.
  • Single power supply operation from 4.75 V to 5.25 V.
  • Low power consumption: 17 mW at 400 kSPS and 50 µW at 1 kSPS.
  • Compatible with 1.8 V to 5 V digital logic families.
  • Pin-for-pin compatible with AD7691, AD7982, AD7687, AD7688, and AD7693.

Applications

  • Battery-powered equipment due to its low power consumption.
  • Medical instruments such as ECG/EKG devices.
  • Mobile communications, including GPS systems.
  • Personal digital assistants and other portable devices.
  • Data acquisition and instrumentation systems.
  • Process control and industrial automation.

Q & A

  1. What is the resolution of the AD7690 ADC?

    The AD7690 is an 18-bit analog-to-digital converter.

  2. What is the maximum sampling rate of the AD7690?

    The AD7690 can sample up to 400,000 samples per second (400 kSPS).

  3. What is the power supply range for the AD7690?

    The AD7690 operates from a single power supply ranging from 4.75 V to 5.25 V.

  4. How much power does the AD7690 consume at 400 kSPS?

    The AD7690 consumes approximately 17 mW at 400 kSPS.

  5. Does the AD7690 have any on-chip components?

    Yes, the AD7690 includes an on-chip track-and-hold circuit.

  6. Is the AD7690 compatible with different digital logic families?

    Yes, it is compatible with 1.8 V to 5 V digital logic families.

  7. What are the typical applications of the AD7690?

    The AD7690 is used in battery-powered equipment, medical instruments, mobile communications, and data acquisition systems.

  8. What is the temperature range for the AD7690?

    The specified temperature range is from -40°C to 85°C.

  9. What packages are available for the AD7690?

    The AD7690 is available in 10-lead MSOP and 10-lead LFCSP packages.

  10. Is the AD7690 pin-for-pin compatible with other ADCs?

    Yes, it is pin-for-pin compatible with AD7691, AD7982, AD7687, AD7688, and AD7693.

Product Attributes

Number of Bits:18
Sampling Rate (Per Second):400k
Number of Inputs:1
Input Type:Differential
Data Interface:SPI, DSP
Configuration:S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:1
Architecture:SAR
Reference Type:External
Voltage - Supply, Analog:5V
Voltage - Supply, Digital:5V
Features:- 
Operating Temperature:-40°C ~ 85°C
Package / Case:10-VFDFN Exposed Pad, CSP
Supplier Device Package:10-LFCSP-WD (3x3)
Mounting Type:Surface Mount
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Same Series
EVAL-AD7690-PMDZ
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AD7690BRMZ
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AD7690BCPZRL7
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AD7690BCPZ-R2
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Similar Products

Part Number AD7690BCPZRL AD7690BCPZRL7 AD7693BCPZRL AD7691BCPZRL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Active Obsolete Obsolete
Number of Bits 18 18 16 18
Sampling Rate (Per Second) 400k 400k 500k 250k
Number of Inputs 1 1 1 1
Input Type Differential Differential Differential Differential
Data Interface SPI, DSP SPI, DSP SPI, DSP SPI, 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 1 1 1 1
Architecture SAR SAR SAR SAR
Reference Type External External External External
Voltage - Supply, Analog 5V 5V 5V 2.3V ~ 5.5V
Voltage - Supply, Digital 5V 5V 5V 2.3V ~ 5.5V
Features - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP 10-VFDFN Exposed Pad, CSP
Supplier Device Package 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3) 10-LFCSP-WD (3x3)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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