Overview
The LMV321IDCKTG4 is a high-performance, low-power operational amplifier from Texas Instruments, designed to meet a wide range of applications. It is part of the LMV321 family, known for its versatility and reliability in various electronic circuits. This device is particularly suitable for battery-powered devices, portable equipment, and other applications where power efficiency is critical. The LMV321IDCKTG4 is available in a space-saving 5-pin SC-70 (SOT-323) package, ideal for compact PCB layouts, and ensures high quality and reliability reflected in its widespread use in industrial and consumer electronic products.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VCC+ = 2.7 V, TA = 25°C | 1.7 | 7 | mV | |
| Input Bias Current (IIB) | VCC+ = 2.7 V, TA = 25°C | 11 | 250 | nA | |
| Input Offset Current (IIO) | VCC+ = 2.7 V, TA = 25°C | 5 | 50 | nA | |
| Common-Mode Rejection Ratio (CMRR) | VCM = 0 to 1.7 V, VCC+ = 2.7 V, TA = 25°C | 50 | 63 | dB | |
| Supply-Voltage Rejection Ratio (kSVR) | VCC = 2.7 V to 5 V, VO = 1 V, TA = 25°C | 50 | 60 | dB | |
| Supply Current (ICC) | VCC+ = 2.7 V, TA = 25°C | 130 | 250 | 350 | μA |
| Unity-Gain Bandwidth (B1) | CL = 200 pF, TA = 25°C | 1 | MHz | ||
| Phase Margin (Φm) | TA = 25°C | 60 | deg | ||
| Slew Rate (SR) | TA = 25°C | 1 | V/μs | ||
| Equivalent Input Noise Voltage (Vn) | f = 1 kHz, TA = 25°C | 39 | nV/√Hz | ||
| Equivalent Input Noise Current (In) | f = 1 kHz, TA = 25°C | 0.21 | pA/√Hz | ||
| Operating Temperature (TA) | -40 | 125 | °C | ||
| Supply Voltage (VCC+) | 2.7 | 5.5 | V |
Key Features
- Low-voltage operation: 2.7 V to 5.5 V.
- Rail-to-rail output swing.
- Low-power consumption: 130 μA typical supply current.
- No crossover distortion.
- High ESD protection: exceeds JESD 22 (2000-V Human-Body Model and 1000-V Charged-Device Model).
- Common-mode input voltage range includes ground.
- 1-MHz unity-gain bandwidth and 1-V/μs slew rate.
- Ultra-small SC-70 (SOT-323) package, saving space on PCBs and enabling closer placement to the signal source for reduced noise and increased signal integrity.
Applications
- Battery-powered devices and portable equipment.
- Desktop PCs and netbooks.
- Heating, Ventilating, and Air Conditioning (HVAC) systems.
- Motor control, including AC induction motors.
- Portable media players and pro audio mixers.
- Telecom DC/DC modules and power supplies.
- Refrigerators and washing machines).
Q & A
- What is the typical supply current of the LMV321IDCKTG4?
The typical supply current is 130 μA. - What is the operating temperature range of the LMV321IDCKTG4?
The operating temperature range is -40°C to 125°C. - What is the package type of the LMV321IDCKTG4?
The package type is SC-70 (SOT-323), a 5-pin ultra-small package. - Does the LMV321IDCKTG4 have rail-to-rail output swing?
Yes, it has rail-to-rail output swing. - What is the unity-gain bandwidth of the LMV321IDCKTG4?
The unity-gain bandwidth is 1 MHz. - What is the slew rate of the LMV321IDCKTG4?
The slew rate is 1 V/μs. - Does the LMV321IDCKTG4 have ESD protection?
Yes, it exceeds JESD 22 standards for ESD protection (2000-V Human-Body Model and 1000-V Charged-Device Model). - What are some common applications of the LMV321IDCKTG4?
Common applications include battery-powered devices, portable equipment, desktop PCs, HVAC systems, motor control, and more. - What is the common-mode input voltage range of the LMV321IDCKTG4?
The common-mode input voltage range includes ground. - How does the LMV321IDCKTG4 contribute to reducing noise in circuits?
The ultra-small package allows the device to be placed closer to the signal source, reducing noise pickup and increasing signal integrity.
