ADC121C021CIMKIn StockTexas Instruments
12-Bit successive approximation ADC with I2C interface, single-channel input, 1 µs conversion time, and 5.5 V max supply. From $1.62 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- ADC121C021CIMK Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6204(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 with ±0.0244% max linearity error for precise analog measurements
- Single-channel successive approximation ADC with up to 1 µs conversion time
- I2C-compatible interface supporting wide supply range up to 5.5 V
- Compact 6-pin SOT-23 package (TSOP-6) for space-constrained designs
Applications
The ADC121C021CIMK is well-suited for industrial sensor signal conditioning, portable medical instrumentation, and battery-powered data acquisition systems. Its single-channel 12-bit resolution and fast 1 µs conversion time make it ideal for precise voltage and current monitoring in embedded control applications. The I2C interface simplifies integration into microcontroller-based designs requiring low pin-count analog front ends.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog Input Voltage-Max | 5.5V |
| Conversion Time-Max | 1 µs |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e0 |
| 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 | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.1889MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Screening Level | TS 16949 |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.30 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ADC121C021CIMK:
12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO6
12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO6
ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO6
ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO6
ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO6
ADC, Successive Approximation, 12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO8
Frequently Asked Questions
What is the resolution and conversion speed of the ADC121C021CIMK?
The ADC121C021CIMK is a 12-bit successive approximation ADC with a maximum conversion time of 1 µs. It provides 4096 discrete output codes, delivering high measurement accuracy suitable for precision analog signal acquisition in industrial and portable applications.
What interface does the ADC121C021CIMK use and what is its supply voltage range?
It uses an I2C-compatible serial interface for easy connection to microcontrollers with minimal pins. The device supports a maximum analog input voltage of 5.5 V, making it compatible with both 3.3 V and 5 V systems commonly found in embedded and industrial designs.
What package does the ADC121C021CIMK come in and what are typical applications?
The ADC121C021CIMK is housed in a 6-pin TSOP (R-PDSO-G6) package, ideal for compact PCB designs. Typical applications include industrial sensor interfaces, medical instrumentation, battery voltage monitoring, temperature measurement systems, and portable data acquisition equipment.
Is the ADC121C021CIMK RoHS compliant and what is its availability?
Based on the JESD-609 code e0, the ADC121C021CIMK does not use lead-free solder (Pbfree Code: No), so buyers should verify RoHS compliance requirements for their application. It is available from major distributors with pricing starting at approximately $1.62 per unit with worldwide shipping options.
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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.
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