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ADS8509

Features: · 250-kHz Sampling Rate· 4-V, 5-V, 10 V, ±3.33-V, ±5-V, and ±10-V Input Ranges· ±2.0 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...

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SeekIC No. : 004277351 Detail

ADS8509: Features: · 250-kHz Sampling Rate· 4-V, 5-V, 10 V, ±3.33-V, ±5-V, and ±10-V Input Ranges· ±2.0 LSB Max INL· ±1 LSB Max DNL, 16-Bit No Missing Codes· SPI Compatible Serial Output with Daisy-Chain (TA...

ADS8509 Data Sheet

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Part Number:
ADS8509
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· 250-kHz Sampling Rate
· 4-V, 5-V, 10 V, ±3.33-V, ±5-V, and ±10-V Input Ranges
· ±2.0 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


Application

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


Specifications

  UNIT
Analog inputs R1IN ±25 V
R2IN ±25 V
R3IN ±25 V
REF +VANA + 0.3 V to AGND2 - 0.3 V
Ground voltage differences DGND, AGND2 ±0.3 V
VANA 6 V
VDIG to VANA ±0.3 V
VDIG 6 V
Digital inputs -0.3 V to +VDIG + 0.3 V
Maximum junction temperature 165°C
Storage temperature range 65°C to 150°C
Internal power dissipation 700 mW
Lead temperature (soldering, 1.6 mm from case 10 seconds) 260°C
(1) All voltage values are with respect to network ground terminal.


Description

The ADS8509 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, refer- ence, 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.




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