ADS8327 - 2.7V~5.5V、16 位 500KSPS 串行 ADC

ADS8327是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS8327是2.7V~5.5V、16 位 500KSPS 串行 ADC，本站介绍了ADS8327的封装应用图解、特点和优点、功能等，并给出了与ADS8327相关的TI元器件型号供参考。

ADS8327 - 2.7V~5.5V、16 位 500KSPS 串行 ADC - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS8327 is a low power, 16-bit, 500-kSPS analog-to-digital converter with a unipolar input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold.

The ADS8328 is based on the same core and includes a 2-to-1 input MUX with programmable option of TAG bit output. Both the ADS8327 and ADS8328 offer a high-speed, wide voltage serial interface and are capable of chain mode operation when multiple converters are used.

These converters are available in a 16-lead TSSOP or 4×4 QFN packages and are fully specified for operation over the industrial –40°C to +85°C temperature range.

产品特性

2.7-V to 5.5-V Analog Supply, Low Power:
- 10.6 mW (500 kHz, +VA = 2.7 V, +VBD = 1.8 V)
500-kHz Sampling Rate
Excellent DC Performance
- ±1.5 LSB Typ, ±2 LSB Max INL
- ±0.6 LSB Typ, ±1 LSB Max DNL
- 16-Bit NMC Over Temperature
- ±0.5 mV Max Offset Error at 2.7 V
- ±1 mV Max Offset Error at 5 V
Excellent AC Performance at fI = 10 kHz with 91 dB SNR, 100 dB SFDR, –96 dB THD
Built-In Conversion Clock (CCLK)
1.65 V to 1.5×(+VA) I/O Supply
- SPI/DSP Compatible Serial
- SCLK up to 50 MHz
Comprehensive Power-Down Modes:
- Deep Power-Down
- Nap Power-Down
- Auto Nap Power-Down
Unipolar Input Range: 0 V to VREF
Software Reset
Global CONVST (Independent of CS)
Programmable Status/Polarity EOC/INT
16-Pin 4×4 QFN or 16-Pin TSSOP Packages
Multi-Chip Daisy Chain Mode
Programmable TAG Bit Output
Auto/Manual Channel Select Mode

APPLICATIONS

Communications
Transducer Interface
Medical Instruments
Magnetometers
Industrial Process Control
Data Acquisition Systems
Automatic Test Equipment

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