MAX1005 - IF欠采样量化器

MAX1005是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX1005是IF欠采样量化器，本站介绍了MAX1005的封装应用图解、特点和优点、功能等，并给出了与MAX1005相关的Maxim元器件型号供参考。

MAX1005 - IF欠采样量化器 - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX1005 is a combined digitizer and reconstruction integrated circuit designed to work in systems that demodulate and modulate communications signals. It integrates IF undersampling and signal synthesis functions into a single, low-power circuit. Its analog-to-digital converter (ADC) is used to directly sample or undersample a downconverted RF signal, while its digital-to-analog converter (DAC) recreates the IF sub-carrier and transmission data. The MAX1005's ADC is ideal for undersampling applications, due to the analog input amplifier's wide (15MHz) bandwidth. The DAC has very low glitch energy, which minimizes the transmission of unwanted spurious signals. An on-chip reference provides for low-noise ADC and DAC conversions.

The MAX1005 provides a high level of signal integrity from a low power budget. It operates from a single power supply, or from separate analog and digital supplies with independent voltages ranging from +2.7V to +5.5V. The MAX1005 can operate with an unregulated analog supply of 5.5V and a regulated digital supply down to 2.7V. This flexible power-supply operation saves additional power in complex digital systems.

The MAX1005 has three operating modes: transmit (DAC active), receive (ADC active), and shutdown (ADC and DAC inactive). In shutdown mode, the total supply current drops below 1µA. The device requires only 2.4µs to wake up from shutdown mode. The MAX1005 is ideal for hand-held, as well as base-station applications. It is available in a tiny 16-pin QSOP package specified for operation over both the commercial and extended temperature ranges.

关键特性

以下关键特性由Maxim美信半导体提供：

Differential-Input, 5-Bit ADC

Differential-Output, 7-Bit DAC

15Msps Min Conversion Rate

25MHz -1dB Full-Power Bandwidth

44dB SFDR for ADC

39dB at 10.7MHz SFDR (Imaged) for DAC

Internal Voltage Reference

Parallel Logic Interface

Single-Supply Operation (+2.7V to +5.5V)

0.1µA Low-Power Shutdown Mode

热门应用

PCS/N

PHS/P

PWT1900

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