MCP3221A5T-I/OT Low-Power 12-Bit A/D Converter With I2C Interface
The MCP3221A5T-I/OT is a low-power 12-bit analog-to-digital converter featuring an I2C compatible serial interface, designed for precision measurement applications in industrial and portable devices.
Key Features
- 12-bit resolution for high-precision conversion
- ±1 LSB DNL, ±2 LSB INL maximum
- Low power consumption: 250 µA max conversion current
- Ultra-low standby current: 5 nA typical, 1 µA maximum
- I2C compatible serial interface supporting 100 kHz standard mode and 400 kHz fast mode
- Supports up to 8 devices on a single 2-wire bus
- 22.3 ksps sampling rate in I2C fast mode
- Single-ended analog input channel
- On-chip sample and hold circuitry
- On-chip conversion clock
- Single-supply operation: 2.7V to 5.5V
- Extended temperature range: -40°C to +125°C
- Compact SOT-23-5 package
Application Areas
- Data logging systems
- Multi-zone monitoring
- Handheld portable applications
- Battery-powered test equipment
- Remote or isolated data acquisition
Pin Configuration
| Pin Name |
Function |
| VDD |
+2.7V to 5.5V Power Supply |
| VSS |
Ground |
| AIN |
Analog Input |
| SDA |
Serial Data In/Out |
| SCL |
Serial Clock In |
Product Images
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their specific requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.
