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首页产品索引ADC121S705

ADC121S705

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12 位、500 kSPS 至 1 MSPS、差动输入、微功耗 A/D 转换器

制造商:TI

产品信息

描述 The ADC121S705 is a 12-bit, 500 kSPS to 1 MSPS sampling Analog-to-Digital (A/D) converter that features a fully differential, high impedance analog input and an external reference. The reference voltage can be varied from 1.0V to VA, with a corresponding resolution between 244µV and VA divided by 4096.The output serial data is binary 2's complement and is compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP serial interfaces. The differential input, low power consumption, and small size make the ADC121S705 ideal for direct connection to transducers in battery operated systems or remote data acquisition applications.Operating from a single 5V supply, the supply current when operating at 1 MSPS is typically 2.3 mA. The supply current drops down to 0.3 µA typically when the ADC121S705 enters power-down mode. The ADC121S705 is available in the VSSOP-8 package. Operation is ensured over the industrial temperature range of −40°C to +105°C and clock rates of 8 MHz to 16 MHz.特性True Differential Inputs Ensured performance from 500 kSPS to 1 MSPS External Reference Wide Input Common-Mode Voltage Range SPI™/QSPI™/MICROWIRE/DSP Compatible Serial Interface Key Specifications Conversion Rate: 500 kSPS to 1 MSPS INL: ± 0.95 LSB (Max) DNL: ±0.95 LSB (Max) Offset Error: ±3.0 LSB (Max) Gain Error: ±6.5 LSB (Max) SINAD: 69.5 db (Min) Power Consumption at VA = 5VActive, 1 MSPS: 11.5 mW (Typ)Active, 500 kSPS: 9.0 mW (Typ)Power-Down: 1.5 µW (Typ) All trademarks are the property of their respective owners.

电路图、引脚图和封装图

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型号制造商描述购买
ADC121S705CIMM/NOPBTIIC ADC 12BIT SAR 8VSSOP 立即购买

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