ADS8482 - 具有 Ref 引脚和伪双极全差动输入的 18 位 1MSPS 并行 ADC

ADS8482是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8482是具有 Ref 引脚和伪双极全差动输入的 18 位 1MSPS 并行 ADC，本站介绍了ADS8482的封装应用图解、特点和优点、功能等，并给出了与ADS8482相关的TI元器件型号供参考。

ADS8482 - 具有 Ref 引脚和伪双极全差动输入的 18 位 1MSPS 并行 ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS8482 is an 18-bit, 1-MSPS A/C converter with an internal 4.096-V reference and a pseudo-bipolar, fully differential input. The device includes a 18-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8482 offers a full 18-bit interface, a 16-bit option where data is read using two read cycles, or an 8-bit bus option using three read cycles.

The ADS8482 is available in a 48-lead 7x7 QFN package and is characterized over the industrial -40°C to 85°C temperature range.

产品特性

0 to 1-MHz Sample Rate
±1.2 LSB Typ, ±2.5 LSB Max INL
+0.75/-0.6 LSB Typ, +1.5/-1 LSB Max DNL
18-Bit NMC Ensured Over Temperature
±0.05-mV Offset Error
±0.05-PPM/°C Offset Error Drift
±0.035 %FSR Gain Error
±0.5-PPM/°C Gain Error Drift
99dB SNR, -121db THD, 123dB SFDR
Zero Latency
Low Power: 225 mW at 1 MSPS
Unipolar Differential Input Range: Vref to -Vref
Onboard Reference with 6 PPM/°C Drift
Onboard Reference Buffer
High-Speed Parallel Interface
Wide Digital Supply 2.7 V to 5.25 V
8-/16-/18-Bit Bus Transfer
48-Pin 7x7 QFN Package
APPLICATIONS
- Medical Instruments
- Optical Networking
- Transducer Interface
- High Accuracy Data Acquisition Systems
- Magnetometers

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