MCP3208-CI/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP3208-CI/SL is an 8-channel, 12-bit successive-approximation ADC from Microchip with SPI interface. It accepts up to 5 V analog inputs, completes conversions in 6 µs maximum, and ships in a 16-pin SOIC package for easy PCB integration.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- MCP3208-CI/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0553(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8 single-ended or 4 differential 12-bit ADC channels in one IC
- Fast successive-approximation conversion in under 6 µs per sample
- SPI-compatible serial interface supporting up to 2 MHz clock
- Wide 5 V analog input range with 0.0488% maximum linearity error
- 16-pin SOIC package with RoHS/Pb-free compliance (JESD-609 e3)
Applications
The MCP3208-CI/SL is widely used in embedded data-acquisition systems and microcontroller-based designs that need to digitize multiple analog sensor channels over a simple 3- or 4-wire SPI bus. It excels in industrial process monitoring, battery management, and environmental sensing applications where 12-bit resolution across 8 channels at up to 5 V is required without the cost or complexity of a dedicated high-speed converter. Its compact 16-pin SOIC footprint also makes it a popular choice for space-constrained boards in smart home devices, motor-control feedback loops, and portable test instruments.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-16 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Analog Input Voltage-Max | 5V |
| Conversion Time-Max | 6 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0488% |
| Number of Analog In Channels | 8 |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.1MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Screening Level | TS 16949 |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP3208-CI/SL:
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Frequently Asked Questions
How many analog input channels does the MCP3208-CI/SL support, and can they be configured as differential pairs?
The MCP3208-CI/SL provides 8 single-ended input channels or 4 differential input pairs, selectable via the SPI command byte. Each channel accepts analog voltages from 0 V to 5 V, and the 12-bit successive-approximation architecture gives 4096 quantization levels across that range, suitable for reading temperature sensors, potentiometers, or pressure transducers without external multiplexers.
What conversion speed does the MCP3208-CI/SL achieve at its maximum SPI clock rate?
At the maximum recommended SPI clock of 2 MHz with a 5 V supply, the MCP3208-CI/SL completes each 12-bit conversion in approximately 6 µs maximum. This translates to a throughput of up to about 100 kSPS per channel when continuously cycling through all 8 inputs, which is adequate for slow-changing analog signals in industrial monitoring, HVAC control, and sensor fusion applications.
Which microcontroller families interface most easily with the MCP3208-CI/SL, and what is the wiring requirement?
The MCP3208-CI/SL uses a standard 4-wire SPI interface (CS, CLK, MOSI, MISO) operating at 2.7 V to 5.5 V, making it directly compatible with virtually any microcontroller family including AVR, PIC, STM32, ESP32, and Raspberry Pi. Only 4 digital I/O lines plus a shared power and ground connection are needed; no level-shifter is required when both devices share a 3.3 V or 5 V rail.
What is the linearity error of the MCP3208-CI/SL, and how does it affect 12-bit measurement accuracy?
The MCP3208-CI/SL specifies a maximum integral linearity error (EL) of 0.0488%, which corresponds to approximately ±1 LSB at 12-bit resolution. This means the converter's transfer function deviates by at most 2 counts out of 4096, preserving measurement integrity for instrumentation where sub-percent accuracy is required without trimming or calibration offsets.
What package and lead-finish options does the MCP3208-CI/SL offer, and what is a typical lead time?
The MCP3208-CI/SL is supplied in a 16-pin SOIC (R-PDSO-G16) package with a Pb-free, RoHS-compliant lead finish coded JESD-609 e3. Standard factory lead time is approximately 7 weeks, so procurement teams should plan safety stock or place blanket orders to avoid line-down risks, particularly in high-volume production runs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.0553 | $2.06 |
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