ADS8509IDW

Analog to Digital Converters - ADC 16-Bit 250kHz CMOS w/Serial Interface
4,285 有效庫存

ADS8509IDW

有效庫存4,285

Analog to Digital Converters - ADC 16-Bit 250kHz CMOS w/Serial Interface

  • 製造商零件號 # : ADS8509IDW

  • 包裝/封裝: SOIC-20

  • 製造商: Texas Instruments

  • 產品分類 : Analog to Digital Converters (ADC)

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ADS8509IDW 數據表
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詳細說明

The ADS8509IDW is a complete 16-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 16-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, reference, clock, and a serial data interface. Data can be output using the internal clock or can be synchronized to an external data clock. The ADS8509 also provides an output synchronization pulse for ease of use with standard DSP processors.The ADS8509 is specified at a 250-kHz sampling rate over the full temperature range. Precision resistors provide various input ranges including ±10 V and 0 V to 5 V, while the innovative design allows operation from a single +5-V supply with power dissipation under 100 mW.The ADS8509 is available in 20-pin SO and 28-pin SSOP packages, both fully specified for operation over the industrial –40°C to 85°C temperature range.

ADS8509IDW

主要特徵

  • 250-kHz Sampling Rate
  • 4-V, 5-V, 10-V, ±3.33-V, ±5-V, and ±10-V Input Ranges
  • ±2 LSB Max INL
  • ±1 LSB Max DNL, 16-Bit No Missing Codes
  • SPI Compatible Serial Output with Daisy-Chain (TAG) Feature
  • Single 5-V Supply
  • Pin-Compatible with ADS7809 (Low Speed) and 12-Bit ADS8508/7808
  • Uses Internal or External Reference
  • 70-mW Typ Power Dissipation at 250 KSPS
  • 20-Pin SO and 28-Pin SSOP Packages
  • Simple DSP Interface

應用

  • Industrial Process Control
  • Data Acquisition Systems
  • Digital Signal Processing
  • Medical Equipment
  • Instrumentation

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Pbfree Code Yes Rohs Code Yes
Part Life Cycle Code Active Part Package Code SOIC
Pin Count ! 20 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Analog Input Voltage-Max 10 V Analog Input Voltage-Min -10 V
Conversion Time-Max 2.2 µs Converter Type ADC, SUCCESSIVE APPROXIMATION
JESD-30 Code R-PDSO-G20 JESD-609 Code e4
Length 12.8 mm Linearity Error-Max (EL) 0.0046%
Moisture Sensitivity Level 2 Number of Analog In Channels 1
Number of Bits 16 Number of Functions 1
Number of Terminals 20 Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C Output Bit Code BINARY, 2'S COMPLEMENT BINARY
Output Format ! SERIAL Package Body Material PLASTIC/EPOXY
Package Code SOP Package Equivalence Code SOP20,.4
Package Shape RECTANGULAR Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260 Power Supplies ! 5 V
Qualification Status ! Not Qualified Sample Rate 0.25 MHz
Sample and Hold / Track and Hold SAMPLE Seated Height-Max 2.65 mm
Supply Voltage-Min 4.75 V Supply Voltage-Nom 5 V
Surface Mount ! YES Technology CMOS
Temperature Grade ! INDUSTRIAL Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form ! GULL WING Terminal Pitch ! 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Width 7.5 mm

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 ADS8509IDW PDF 下載

常見問題解答

What is ADS8509IDW?

The ADS8509IDW is a high-speed, high-precision 16-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is suitable for applications requiring fast and accurate conversion of analog signals, such as data acquisition systems, industrial automation, and telecommunications equipment.

How Does ADS8509IDW Work?

The ADS8509IDW operates by converting analog input signals into 16-bit digital data with high speed and precision. It employs a successive approximation register (SAR) architecture to achieve fast conversion times and high accuracy. The ADC features a wide input voltage range and high signal-to-noise ratio, making it ideal for demanding measurement applications.

How Many Pins does ADS8509IDW have and What are the Functions of the Pinout Configuration?

The ADS8509IDW is housed in a 28-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VDD, VSS: Analog power supply and ground pins, respectively.
  • REFIN, AGND, DGND: Reference input, analog ground, and digital ground pins.
  • AIN0-AIN7: Analog input pins for differential or single-ended signals.
  • SDI, SCK: Serial data input and clock input pins for digital interface.
  • CS, SDO: Chip select and serial data output pins for digital interface.
  • CONVST, BUSY: Conversion start and busy status output pins.

What are the Pros and Cons of ADS8509IDW?

Pros:

  • High-Speed Conversion: Offers fast conversion times suitable for real-time applications.
  • High Precision: Provides 16-bit resolution for accurate signal digitization.
  • Wide Input Voltage Range: Supports a wide range of input voltages for versatile applications.
  • Low Power Consumption: Operates with low power consumption for energy-efficient designs.
  • Flexible Interface: Supports a serial interface for easy integration into digital systems.

Cons:

  • Complexity: Requires careful consideration of timing and interfacing for optimal performance.
  • External Components: May need additional external components for specific applications or filtering.

Are There Any Equivalents/Alternatives to ADS8509IDW for Recommendation?

  • The ADS8519 from Texas Instruments is a similar 16-bit ADC with enhanced features.
  • Alternatives to the ADS8509IDW include the MAX11616 from Maxim Integrated and the LTC1867 from Analog Devices.

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