Key facts
- Brand
- Maxim
- Model
- MAX7315
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-08
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Maxim Integrated MAX7315 8-Port I/O Expander Datasheet
The MAX7315 is an I2C/SMBus‑compatible serial peripheral that provides eight configurable I/O ports plus a ninth interrupt/output pin. Each port can operate as an open‑drain current‑sinking output (50 mA, 5.5 V) or a logic input with transition detection, and supports per‑port 4‑bit PWM LED intensity control.
The device operates from 2 V to 3.6 V, offers up to 64 selectable I2C addresses, and includes hot‑insertion protection, low standby current, and a temperature range of –40 °C to +125 °C. It is supplied in a thin 3 mm × 3 mm QFN package.
Maxim MAX7315 specifications
| Operating Supply Voltage (V+) | 2 V to 3.6 V |
|---|---|
| Maximum Port Output Current | 50 mA per port (5.5 V rated) |
| Standby Current | 1.2 µA typ, 3.3 µA max |
| Operating Temperature Range | -40 °C to +125 °C |
| Package | Thin QFN 3 mm × 3 mm × 0.8 mm |
Source: Maxim Integrated MAX7315 8-Port I/O Expander Datasheet
All Maxim MAX7315 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum current each I/O port can sink?
Each I/O port can sink up to 50 mA while the supply voltage is up to 5.5 V.
From: Maxim Integrated MAX7315 8-Port I/O Expander Datasheet
How many I2C addresses can the MAX7315 be configured for?
The MAX7315 can be configured to one of 64 possible I2C addresses.
From: Maxim Integrated MAX7315 8-Port I/O Expander Datasheet
What is the maximum output current per port?
Each port can sink up to 50 mA at 5.5 V.
What supply voltage range does the MAX7315 operate over?
The device operates from 2 V to 3.6 V.