ADC12030 - 具有 MUX 和采样/保持功能的自校准 12 位 + 串行 I/O A/D 转换器

ADC12030是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADC12030是具有 MUX 和采样/保持功能的自校准 12 位 + 串行 I/O A/D 转换器，本站介绍了ADC12030的封装应用图解、特点和优点、功能等，并给出了与ADC12030相关的TI元器件型号供参考。

ADC12030 - 具有 MUX 和采样/保持功能的自校准 12 位 + 串行 I/O A/D 转换器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

NOTE: Some of these devices may be obsolete and are described and shown here for reference only. See our web site for product availability.

The ADC12030, and ADC12H030 families are 12-bit plus sign successive approximation Analog-to-Digital Converters with serial I/O and configurable input multiplexers. The ADC12034/ADC12H034 and ADC12038/ADC12H038 have 4 and 8 channel multiplexers, respectively. The differential multiplexer outputs and ADC inputs are available on the MUXOUT1, MUXOUT2, A/DIN1 and A/DIN2 pins. The ADC12030/ADC12H030 has a two channel multiplexer with the multiplexer outputs and ADC inputs internally connected. The ADC12030 family is tested with a 5 MHz clock, while the ADC12H030 family is tested with an 8 MHz clock. On request, these ADCs go through a self calibration process that adjusts linearity, zero and full-scale errors to less than ±1 LSB each.

The analog inputs can be configured to operate in various combinations of single-ended, differential, or pseudo-differential modes. A fully differential unipolar analog input range (0V to +5V) can be accommodated with a single +5V supply. In the differential modes, valid outputs are obtained even when the negative inputs are greater than the positive because of the 12-bit plus sign output data format.

The serial I/O is configured to comply with NSC MICROWIRE. For voltage references see the LM4040, LM4050 or LM4041.

产品特性

Serial I/O (MICROWIRE Compatible)
2, 4, or 8 Chan Differential or Single-Ended Multiplexer
Analog Input Sample/Hold Function
Power Down Mode
Variable Resolution and Conversion Rate
Programmable Acquisition Time
Variable Digital Output Word Length and Format
No Zero or Full Scale Adjustment Required
Fully Tested and Ensured with a 4.096V Reference
0V to 5V Analog Input Range with Single 5V Power Supply
No Missing Codes over Temperature

Key Specifications

Resolution 12-bit plus sign
12-bit plus sign conversion time
- ADC12H30 family 5.5 μs (max)
- ADC12030 family 8.8 μs (max)
12-bit plus sign throughput time
- ADC12H30 family 8.6 μs (max)
- ADC12030 family 14 μs (max)
Integral Linearity Error ±1 LSB (max)
Single Supply 5V ±10%
Power consumption 33 mW (max)
- Power down 100 μW (typ)

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