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ADS8345N,具有全差分输入的16位、100kSPS、8通道SAR,ADC

2023/10/19 14:58:16

127

ADS8345N

具有全差分输入的 16 位、100kSPS、8 通道 SAR ADC



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FEATURES

 

● BIPOLAR INPUT RANGE

● PIN-FOR-PIN COMPATIBLE WITH THE ADS7844 AND ADS8344

● SINGLE SUPPLY: 2.7V to 5V

● 8-CHANNEL SINGLE-ENDED OR 4-CHANNEL DIFFERENTIAL INPUT

● UP TO 100kHz CONVERSION RATE

● 85dB SINAD

● SERIAL INTERFACE

● QSOP-20 AND SSOP-20 PACKAGES

 

 

 

APPLICATIONS

 

● DATA ACQUISITION

● TEST AND MEASUREMENT EQUIPMENT

● INDUSTRIAL PROCESS CONTROL

● PERSONAL DIGITAL ASSISTANTS

● BATTERY-POWERED SYSTEMS

 


 

 

DESCRIPTION

 

The ADS8345 is an 8-channel, 16-bit, sampling Analog-to-Digital (A/D) converter with a synchronous serial interface. Typical power dissipation is 8mW at a 100kHz throughput rate and a 5V supply. The reference voltage (VREF) can be varied between 500mV and VCC/2, providing a corresponding input voltage range of ±VREF. The device includes a shutdown mode which reduces power dissipation to under 15μW. The ADS8345 is ensured down to 2.7V operation.

 

Low-power, high-speed, and an onboard multiplexer make the ADS8345 ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS8345 is available in a QSOP-20 or SSOP-20 package and is ensured over the –40°C to 85°C temperature range.