ADC121S021CIMF/NOPBIn StockTexas Instruments
ADC121S021CIMF/NOPB is a 12-bit, 50 ksps to 200 ksps single-channel SAR ADC by Texas Instruments. Key specs: 12-bit resolution, 200 ksps max sample rate, 2.7V to 5.25V supply, SPI-compatible interface. From $1.23, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- ADC121S021CIMF/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2348(MOQ 150)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12-bit resolution with no missing codes for precise analog-to-digital conversion
- 200 ksps maximum sampling rate supports a wide range of signal bandwidths
- Wide supply voltage range of 2.7V to 5.25V for flexible system integration
- SPI-compatible 3-wire serial interface simplifies microcontroller connectivity
- Ultra-small SOT-23-6 package ideal for space-constrained designs
- Low power consumption with auto power-down between conversions
Applications
The ADC121S021CIMF/NOPB is well suited for battery-powered portable instruments and IoT sensor nodes where low power and small form factor are critical. Its SPI interface and single-channel architecture make it an easy drop-in ADC for microcontroller-based data acquisition systems, industrial sensors, and medical monitoring equipment. The wide supply range also allows direct use in both 3.3V and 5V system designs without level-shifting circuitry.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog Input Voltage-Max | 5.25V |
| Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | R-PDSO-G6 |
| 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 | TSOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 0.2MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Current-Max | 2.8mA |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (6-Pin) |
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 ADC121S021CIMF/NOPB:
12-Bit, 1 Func, 1 Channel, Parallel, 8 Bits Access, CMOS, PDSO6
12-Bit, 1 Func, 1 Channel, Serial Access, CMOS, PDSO6
Frequently Asked Questions
What is the resolution and sampling rate of the ADC121S021CIMF/NOPB?
The ADC121S021CIMF/NOPB provides 12-bit resolution with a sampling rate selectable from 50 ksps up to 200 ksps, making it suitable for a wide range of analog signal acquisition applications requiring high accuracy.
What interface does the ADC121S021CIMF/NOPB use to communicate with a microcontroller?
The ADC121S021CIMF/NOPB uses a 3-wire SPI-compatible serial interface (SCLK, CS, DOUT), which is supported by virtually all modern microcontrollers and FPGAs, simplifying firmware integration without requiring a dedicated ADC driver library.
What supply voltage does the ADC121S021CIMF/NOPB require?
The device operates from a single supply voltage between 2.7V and 5.25V, covering both 3.3V and 5V digital systems, which eliminates the need for additional voltage regulation in most embedded designs.
What package does the ADC121S021CIMF/NOPB come in?
The ADC121S021CIMF/NOPB is packaged in a compact SOT-23-6 (SC-74) surface-mount package, which is ideal for space-constrained PCB layouts in portable and wearable devices.
What are typical applications for the ADC121S021CIMF/NOPB?
Typical applications include battery-powered portable instruments, IoT sensor interfaces, industrial process control, medical monitoring equipment, and any embedded system requiring a low-power, high-accuracy single-channel ADC with a simple serial interface.
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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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