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ADS8484 - 产品图解：
ADS8484 - 具有基准电压、伪双极和全差动输入的 18 位 1.25MSPS 并行 ADC
ADS8484是TI公司的一款精密ADC(<=10MSPS)产品，ADS8484是具有基准电压、伪双极和全差动输入的 18 位 1.25MSPS 并行 ADC，本页介绍了ADS8484的产品说明、应用、特性等，并给出了与ADS8484相关的TI元器件型号供参考。
ADS8484 - 具有基准电压、伪双极和全差动输入的 18 位 1.25MSPS 并行 ADC - 精密ADC(<=10MSPS) - 模数转换器 - TI公司（Texas Instruments，德州仪器）
产品描述
The ADS8484 is an 18-bit, 1.25-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 ADS8484 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 ADS8484 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
- 1.25-MHz Sample Rate
- ±1.5 LSB Typ, ±2.5 LSB Max INL
- +0.8/-0.6 LSB Typ, +1.5/-1 LSB Max DNL
- 18-Bit NMC Ensured Over Temperature
- ±0.5-mV Offset Error
- TBD-PPM/°C Offset Error Drift
- ±0.1 %FSR Gain Error
- ±TBD-PPM/°C Gain Error Drift
- 99dB SNR, -117db THD, 120dB SFDR
- Zero Latency
- Low Power: 235 mW Typ at 1.25 MSPS
- Pseudo-Bipolar Fully Differential Input Range: Vref to -Vref
- Onboard Reference with TBD 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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