ADS8509 - 16 位 250kHz CMOS 模数转换器，具有串行接口和 2.5V 内部参考

ADS8509是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8509是16 位 250kHz CMOS 模数转换器，具有串行接口和 2.5V 内部参考，本站介绍了ADS8509的封装应用图解、特点和优点、功能等，并给出了与ADS8509相关的TI元器件型号供参考。

ADS8509 - 16 位 250kHz CMOS 模数转换器，具有串行接口和 2.5V 内部参考 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

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, 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.

产品特性

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

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