THS12082 - 12 位、8MSPS ADC，具有双通道、DSP/uP 接口、16X FIFO、通道自动扫描、低功耗

THS12082是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，THS12082是12 位、8MSPS ADC，具有双通道、DSP/uP 接口、16X FIFO、通道自动扫描、低功耗，本站介绍了THS12082的封装应用图解、特点和优点、功能等，并给出了与THS12082相关的TI元器件型号供参考。

THS12082 - 12 位、8MSPS ADC，具有双通道、DSP/uP 接口、16X FIFO、通道自动扫描、低功耗 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The THS12082 is a CMOS, low-power, 12-bit, 8 MSPS analog-to-digital converter (ADC). The speed, resolution, bandwidth, and single-supply operation are suited for applications in radar, imaging, high-speed acquisition, and communications. A multistage pipelined architecture with output error correction logic provides for no missing codes over the full operating temperature range. Internal control registers allow for programming the ADC into the desired mode. The THS12082 consists of two analog inputs, which are sampled simultaneously. These inputs can be selected individually and configured to single-ended or differential inputs. An integrated 16 word deep FIFO allows the storage of data in order to take the load off of the processor connected to the ADC. Internal reference voltages for the ADC (1.5 V and 3.5 V) are provided.

An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application. Two different conversion modes can be selected. In the single conversion mode, a single and simultaneous conversion can be initiated by using the single conversion start signal (CONVST)\. The conversion clock in the single conversion mode is generated internally using a clock oscillator circuit. In the continuous conversion mode, an external clock signal is applied to the CONV_CLK input of the THS12082. The internal clock oscillator is switched off in the continuous conversion mode.

The THS12082C is characterized for operation from 0°C to 70°C, and the THS12082I is characterized for operation from –40°C to 85°C.

产品特性

Simultaneous Sampling of 2 Single-Ended Signals or 1 Differential Signal
Integrated 16 Word FIFO
Signal-to-Noise and Distortion Ratio: 66 dB at fI = 2 MHz
Differential Nonlinearity Error: ±1 LSB
Integral Nonlinearity Error: ±1.5 LSB
Auto-Scan Mode for 2 Inputs
3-V or 5-V Digital Interface Compatible
Low Power: 216 mW Max
5-V Analog Single Supply Operation
Internal Voltage References . . . 50 PPM/°C and ±5% Accuracy
Parallel µC/DSP Interface
applications
- Radar Applications
- Communications
- Control Applications
- High-Speed DSP Front-End
- Automotive Applications

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