MAX6067A|MAX6067B - 高精度、微功耗、低压差、高输出电流、SOT23封装电压基准

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产品概述

The MAX6061-MAX6068 are precision, low-dropout, micropower voltage references. These three-terminal devices operate with an input voltage range from (VOUT + 50mV typ) to 12.6V and are available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V. They feature a proprietary curvature-correction circuit and laser-trimmed thin-film resistors that result in a very low temperature coefficient of 20ppm/°C (max) and an initial accuracy of ±0.2% (max). Specifications apply to the extended temperature range (-40°C to +85°C).

The MAX6061–MAX6068 typically draw only 90µA of supply current and can source 5mA or sink 2mA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, these devices offer a supply current that is virtually independent of the supply voltage (8µA/V variation) and do not require an external resistor. Additionally, the internally compensated devices do not require an external compensation capacitor and are stable with up to 1µF of load capacitance. Eliminating the external compensation capacitor saves valuable board area in space-critical applications. Low dropout voltage and supply independent, ultra-low supply current make these devices ideal for battery-operated, high-performance, low-voltage systems.

The MAX6061–MAX6068 are available in a 3-pin SOT23 package.

关键特性

以下关键特性由Maxim美信半导体提供：

Ultra-Small 3-Pin SOT23 Package

±0.2% max Initial Accuracy

20ppm/°C max Temperature Coefficient

5mA Source Current

2mA Sink Current

No Output Capacitor Required

Stable with CLOAD = 0 to 1µF

90µA typ Quiescent Supply Current

200mV max Dropout at 1mA Load Current

Output Voltage Options: 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, 5V

13µVp-p Noise 0.1Hz to 10Hz (MAX6061)

热门应用

A/D转换器

蜂窝电话

笔记本电脑

PDA、GPS、DMM

便携式电池供电系统

精密3V/5V系统

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