ADC121C021CIMM/NOPBIn StockTexas Instruments
ADC121C021CIMM/NOPB is a 12-bit I2C-compatible successive approximation ADC with alert pin, single analog input channel, and 5.5V max input voltage. From $1.20, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- ADC121C021CIMM/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2025(MOQ 1)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12-bit resolution successive approximation ADC with I2C-compatible interface
- Built-in alert pin for threshold-based interrupt signaling
- Single analog input channel with up to 5.5V input voltage range
- Ultra-compact MSOP-8 package ideal for space-constrained designs
- Fast conversion time up to 179.856 µs for real-time sensing applications
Applications
The ADC121C021CIMM/NOPB is well-suited for industrial sensor interfaces, portable medical devices, and battery-powered IoT systems requiring precise analog-to-digital conversion over I2C. Its alert pin makes it ideal for threshold monitoring in temperature sensing, pressure measurement, and light intensity detection. The compact MSOP-8 package enables integration into space-constrained consumer electronics and smart home devices.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog Input Voltage-Max | 5.5V |
| Conversion Time-Max | 179.856 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0244% |
| Number of Analog In Channels | 1 |
| Number of Bits | 12 |
| Number of Functions | 1 |
| Output Bit Code | BINARY |
| Output Format | PARALLEL, 8 BITS |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.189MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Screening Level | AEC-Q100 |
| Supply Current-Max | 1.2mA |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## ADC121C021CIMM/NOPB Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the resolution and interface of the ADC121C021CIMM/NOPB?
The ADC121C021CIMM/NOPB is a 12-bit analog-to-digital converter featuring an I2C-compatible serial interface. It uses a successive approximation architecture and supports a maximum analog input voltage of 5.5V, with a conversion time of up to 179.856 µs.
What is the alert pin used for in the ADC121C021CIMM/NOPB?
The alert pin on the ADC121C021CIMM/NOPB is an interrupt output that activates when the conversion result exceeds user-programmed upper or lower threshold limits. This feature simplifies system design for monitoring applications by eliminating the need for continuous polling over I2C.
What are typical applications for the ADC121C021CIMM/NOPB?
This 12-bit ADC is commonly used in industrial sensor interfaces, portable medical devices, IoT edge nodes, battery monitoring systems, and environmental sensing applications such as temperature, pressure, and light measurement where I2C connectivity and compact MSOP-8 packaging are required.
What package does the ADC121C021CIMM/NOPB come in and what are alternatives?
The ADC121C021CIMM/NOPB comes in a small outline MSOP-8 (S-PDSO-G8) package. Compatible alternatives include other ADC121C021 variants from Texas Instruments in different packages, as well as I2C ADCs with 12-bit resolution such as the ADS1013 or MCP3221 for similar single-channel applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2025 | $1.20 |
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