ADS8422 - 具有参考、伪双极和全差动输入的 16 位 4MSPS 并行 ADC

ADS8422是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8422是具有参考、伪双极和全差动输入的 16 位 4MSPS 并行 ADC，本站介绍了ADS8422的封装应用图解、特点和优点、功能等，并给出了与ADS8422相关的TI元器件型号供参考。

ADS8422 - 具有参考、伪双极和全差动输入的 16 位 4MSPS 并行 ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS8422 is a 16-bit, 4-MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based multi-bit SAR A/D converter with inherent sample and hold. This converter includes a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles if necessary.

The ADS8422 has a fully differential, pseudo-bipolar input. It is available in a 48-lead TQFP package and is characterized over the industrial -40°C to +85°C temperature range.

产品特性

Fully Differential Input with Pseudo-Bipolar Input Range -4 V to +4 V
16-Bit NMC at 4 MSPS
1 LSB INL Typ
92dB SNR, -102dB THD Typ with 100-kHz Input
Internal 4.096-V Reference and Reference Buffer
REFIN/2 Available for Setting Analog Input Common-Mode Voltage
Zero Latency
High-Speed Parallel Interface
Single Supply Operation Capability
Low Power: 155 mW at 4 MHz Typ,Flexible Power-Down Scheme
Pin-Out Similar to ADS8412/8402
48-Pin 9×9 TQFP Package
APPLICATIONS
- DWDM
- Instrumentation
- High-Speed, High-Resolution, Zero Latency Data Acquisition Systems
- Transducer Interface
- Medical Instruments
- Spectrum Analysis
- ATE

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