MAX6165AESA+

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1. Description

The MAX6165AESA+ are precision, low-dropout, micropower voltage references. These three-terminal devices operate with an input voltage range from (VOUT + 200mV) 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 5ppm/°C (max) and an initial accuracy of ±2mV (max). Specifications apply to the extended temperature range (-40°C to +85°C). The MAX6161–MAX6168 typically draw only 100μA of supply current and can source 5mA (4mA for MAX6161) or sink 2mA of load current. Unlike conventional shuntmode (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. Eliminating the external compensation capacitor saves valuable board area in space-critical applications. A low-dropout voltage and a supply-independent, ultra-low supply current make these devices ideal for batteryoperated, high-performance, low-voltage systems. The MAX6161–MAX6168 are available in 8-pin SO packages.

2. Features

    1. ±2mV (max) Initial Accuracy

    2. 5ppm/°C (max) Temperature Coefficient

    3. 5mA Source Current at 0.9mV/mA

    4. 2mA Sink Current at 2.5mV/mA

    5. Stable with 1μF Capacitive Loads

    6. No External Capacitor Required

    7. 100μA (typ) Quiescent Supply Current

    8. 200mV (max) Dropout at 1mA Load Current

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

3. Applications

    1. Analog-to-Digital Converters (ADCs)

    2. Portable Battery-Powered Systems

    3. Notebook Computers

    4. PDAs, GPS, DMMs

    5. Cellular Phones

    6. Precision +3V/+5V Systems

4. Pin Configuration

5. Pin Description