Key facts
- Brand
- Maxim
- Model
- MAX7316
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-08
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Maxim MAX7316 10-Port I/O Expander Datasheet
The MAX7316 is a general‑purpose I/O expander that provides eight configurable I/O ports plus a ninth output‑only port. It communicates over a 2‑wire I²C/SMBus interface and supports hot‑insertion, open‑drain outputs rated for 50 mA, and programmable LED PWM intensity control.
Key features include four selectable I²C slave addresses, 8‑bit PWM current control with both global and per‑port resolution, 2‑phase LED blinking, low standby current, and operation over a temperature range of –40 °C to +125 °C.
Maxim MAX7316 specifications
| Operating Supply Voltage (V+) | 2.0 V – 3.6 V |
|---|---|
| Maximum Output Current per Port | 50 mA (5.5 V) |
| PWM Clock Frequency | 32 kHz (nominal) |
| Operating Temperature Range | -40 °C to +125 °C |
All Maxim MAX7316 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many I²C addresses can the MAX7316 be configured for?
The device can be set to one of four I²C addresses using the AD0 pin.
What is the maximum sink current for each I/O port?
Each open‑drain I/O port can sink up to 50 mA at 5.5 V.
What serial interface does the MAX7316 use?
It uses a 2‑wire I²C/SMBus‑compatible serial interface.
From: Maxim MAX7316 10-Port I/O Expander with LED Intensity Datasheet
How many I/O ports are provided by the MAX7316?
It provides eight configurable I/O ports, plus one output‑only and one input‑only port (nine ports total).
From: Maxim MAX7316 10-Port I/O Expander with LED Intensity Datasheet