ADS803 - 12 位 5MSPS ADC，具有内部/外部基准、2 至 5Vpp 之间的灵活 I/P、超出范围指示信号和引脚兼容

ADS803是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS803是12 位 5MSPS ADC，具有内部/外部基准、2 至 5Vpp 之间的灵活 I/P、超出范围指示信号和引脚兼容，本站介绍了ADS803的封装应用图解、特点和优点、功能等，并给出了与ADS803相关的TI元器件型号供参考。

ADS803 - 12 位 5MSPS ADC，具有内部/外部基准、2 至 5Vpp 之间的灵活 I/P、超出范围指示信号和引脚兼容 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS803 is a high-speed, high dynamic range, 12-bit pipelined Analog-to-Digital (A/D) converter. This converter includes a high-bandwidth track-and-hold that gives excellent spurious performance up to and beyond the Nyquist rate. This high-bandwidth, linear track-and-hold minimizes harmonics and has low jitter, leading to excellent SNR performance. The ADS803 is also pin-compatible with the 10MHz ADS804 and the 20MHz ADS805.

The ADS803 provides an internal reference and can be programmed for a 2Vp-p input range for the best spurious performance and ease of driving. Alternatively, the 5Vp-p input range can be used for the lowest input referred noise of 0.09LSBs rms giving superior imaging performance. There is also a capability to set the input range in between the 2Vp-p and 5Vp-p input ranges or to use an external reference. The ADS803 also provides an over-range indicator flag to indicate an input range that exceeds the full-scale input range of the converter. This flag can be used to reduce the gain of the front-end gain-ranging circuitry.

The ADS803 employs digital error-correction techniques to provide excellent differential linearity for demanding imaging applications. Its low distortion and high SNR give the extra margin needed for communications, medical imaging, video, and test instrumentation applications. The ADS803 is available in an SSOP-28 package.

产品特性

HIGH SFDR: 82dB at NYQUIST
HIGH SNR: 69dB
LOW POWER: 115mW
LOW DLE: 0.25LSB
FLEXIBLE INPUT RANGE
OVER-RANGE INDICATOR
APPLICATIONS
- IF AND BASEBAND DIGITIZATION
- CCD IMAGING SCANNERS
- TEST INSTRUMENTATION

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ADS803 - 12 位 5MSPS ADC，具有 内部/外部基准、2 至 5Vpp 之间的灵活 I/P、超出范围指示信号和引脚兼容

ADS803 - 12 位 5MSPS ADC，具有内部/外部基准、2 至 5Vpp 之间的灵活 I/P、超出范围指示信号和引脚兼容