Key facts
- Brand
- Maxim
- Model
- MAX634
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 4
- Languages
- EN
- Last added
- 2012-06-06
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Maxim Integrated Products MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 Datasheet
The document details the specifications for six microprocessor (uP) supervisory circuit devices: MAX6326, MAX6327, MAX6328, MAX6346, MAX6347, and MAX6348. These circuits are designed to monitor power supplies in digital systems, providing excellent reliability by eliminating the need for external components when used with 2.5V, 3V, 3.3V, and 5V powered circuits.
The devices feature ultra-low supply currents (1µA max) making them ideal for portable equipment, and are available in space-saving SOT23 and SC70 packages. They offer reset thresholds factory-trimmable between 2.2V and 4.63V with a minimum power-on reset pulse width of 100ms.
Maxim MAX634 specifications
| Supply Current (MAX6326/MAX6327/MAX6328) | 1µA max |
|---|---|
| Reset Threshold Range | 2.2V to 4.63V |
| Power-On Reset Pulse Width | 100ms (min) |
| Package Types | SC70-3, SOT23-3 |
Source: Maxim Integrated Products MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 Datasheet
All Maxim MAX634 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Maxim Integrated Products MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 Datasheet 8 p
- MAXIM MAX6325/MAX6341/MAX6350 1ppm/°C Low-Noise +2.5V/+4.096V/+5V Voltage References handbook 11 p
- Maxim MAX6340/MAX6421/MAX6426 Datasheet 10 p
- Maxim MAX634 / MAX4391 Inverting Switching Regulator Datasheet 12 p
Questions answered in these manuals
What is the maximum supply current for the MAX6326/MAX6327/MAX6328?
The maximum supply current is 1µA.
From: Maxim Integrated Products MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 Datasheet
What are the available reset threshold voltages?
Reset thresholds are factory-trimmable between 2.2V and 4.63V in approximately 100mV increments.
From: Maxim Integrated Products MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348 Datasheet
What is the temperature coefficient of the MAX6325/MAX6341/MAX6350 references?
All three devices have an ultra‑low temperature coefficient of 1 ppm/°C.
From: MAXIM MAX6325/MAX6341/MAX6350 1ppm/°C Low-Noise +2.5V/+4.096V/+5V Voltage References handbook
What is the maximum output current capability?
Each device can source or sink up to ±15 mA of output current.
From: MAXIM MAX6325/MAX6341/MAX6350 1ppm/°C Low-Noise +2.5V/+4.096V/+5V Voltage References handbook
How is the reset timeout capacitor value calculated?
The capacitor value is derived from the formula Cert = (trp − 275 µs) / (2.73 × 10⁸), where trp is the desired timeout in seconds and Csprt is the capacitance in farads.
What type of capacitor should be used for the reset circuit?
A low‑leakage capacitor (leakage < 10 nA) should be used; ceramic types are recommended.