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MAX6162
Precision, Micropower, Low-Dropout, High-Output-Current, SO-8 Voltage References
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Parameters
Parametric specs for Voltage References
| VOUT (V) | 1.25 |
| Temp. Coeff. (ppm/°C) (max) | 10 |
| ISUPPLY (µA) (max) | 120 |
| Initial Accuracy (% max) (@ +25°C) | 0.16 |
| VSUPPLY (V) (min) | 2.5 |
| VSUPPLY (V) (max) | 12.6 |
| Noise 0.1Hz to 10Hz (µVpp) (typ) | 20 |
| Oper. Temp. (°C) | -40 to +85 |
| Package/Pins | See Data Sheet |
| Budgetary Price (See Notes) | $2.50 @1k |
Key Features
- ±2mV (max) Initial Accuracy
- 5ppm/°C (max) Temperature Coefficient
- 5mA Source Current at 0.9mV/mA
- 2mA Sink Current at 2.5mV/mA
- Stable with 1µF Capacitive Loads
- No External Capacitor Required
- 100µA (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
Applications/Uses
- A/D Converters
- Cell Phones
- Notebook Computers
- PDAs, GPSs, DMMs
- Portable Battery-Powered Systems
- Precision 3V/5V Systems
Description
The MAX6161–MAX6168 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 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. 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 MAX6161–MAX6168 are available in 8-pin SO packages.
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 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. 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 MAX6161–MAX6168 are available in 8-pin SO packages.
Simplified Block Diagram
MAX6161, MAX6162, MAX6163, MAX6164, MAX6165, MAX6166, MAX6167, MAX6168: Typical Operating Circuit
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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