The Texas Instruments LMV321IDCKR is a single-channel, low-voltage, low-power operational amplifier featuring rail-to-rail output (RRO) operation. It supports a 2.7V to 5.5V supply range, while its input common-mode range includes ground, making it suitable for portable electronics, sensor conditioning, low-voltage filters, monitoring circuits, and general analog applications.
The LMV321 provides a typical 1MHz unity-gain bandwidth and 1V/µs slew rate. At 5V and 25°C, typical input offset voltage is approximately 1.7mV, with a maximum specification of 7mV, while typical input bias current is approximately 15nA.
Typical supply current is only 130µA at 5V and 25°C, while the typical value at 2.7V is approximately 80µA. Its low-power architecture and rail-to-rail output help maximize signal range in battery-powered and space-constrained designs.
The exact LMV321IDCKR orderable device comes in an ultra-small 5-pin SC70 / SOT-SC70 (DCK) package measuring approximately 2.0 × 2.1mm. It operates from -40°C to +125°C and is supplied in 3,000-piece large tape-and-reel packaging. TI currently lists the part as ACTIVE, RoHS and REACH compliant, with an MSL Level 2 rating.
Key Features:
- Manufacturer: Texas Instruments
- Part Number: LMV321IDCKR
- Device Type: General-Purpose Operational Amplifier
- Channels: 1
- Output Type: Rail-to-Rail Output
- Input Common Mode: Includes Ground
- Supply Voltage: 2.7V to 5.5V
- Unity-Gain Bandwidth: 1MHz
- Slew Rate: 1V/µs
- Typical Input Offset Voltage: 1.7mV
- Maximum Input Offset Voltage: 7mV at 25°C
- Typical Input Bias Current: 15nA at 5V
- Typical Supply Current: 130µA at 5V
- Typical Supply Current: 80µA at 2.7V
- Input Noise Voltage: 39nV/√Hz at 1kHz, 5V
- Unity-Gain Stable: Yes
- No Crossover Distortion
- HBM ESD: 2000V
- CDM ESD: 1000V
- Operating Temperature: -40°C to +125°C
- Package: SC70-5 / SOT-SC70 / DCK
- Package Size: Approx. 2.0 × 2.1mm
- Mounting Type: Surface Mount
- Packaging: Large Tape & Reel
- Reel Quantity: 3,000 pcs
- MSL: Level 2, 260°C
- RoHS / REACH Compliant
- Product Status: ACTIVE.









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