Overview
The LMV344IPWRE4 is a quad rail-to-rail output CMOS operational amplifier produced by Texas Instruments. This device is part of the LMV34x family, which includes single, dual, and quad operational amplifiers designed for low-voltage and low-power applications. The LMV344IPWRE4 is specifically tailored for operation within a voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of commercial and industrial environments. The amplifier features a PMOS input stage, which provides an ultra-low input bias current and a low offset voltage, enhancing its precision and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.5 V to 5.5 V | V |
| Input Bias Current | 1 pA (Typical) | pA |
| Input Offset Voltage | 0.25 mV (Typical) | mV |
| Supply Current per Channel | 100 µA (Typical) | µA |
| Shutdown Current | 45 pA (Typical) | pA |
| Gain Bandwidth | 1 MHz (Typical) | MHz |
| Slew Rate | 1 V/µs (Typical) | V/µs |
| Turn-on Time from Shutdown | 5 µs (Typical) | µs |
| Input Referred Voltage Noise at 10 kHz | 20 nV/√Hz | nV/√Hz |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | TSSOP-14 | |
| ESD Protection | 2000-V Human-Body Model (HBM), 750-V Charged-Device Model (CDM) | V |
Key Features
- Rail-to-rail output swing
- Ultra-low input bias current of 1 pA (typical)
- Low input offset voltage of 0.25 mV (typical)
- Low supply current of 100 µA per channel (typical)
- Low shutdown current of 45 pA (typical)
- Gain bandwidth of 1 MHz (typical)
- Slew rate of 1 V/µs (typical)
- Fast turn-on time from shutdown of 5 µs (typical)
- Low voltage noise of 20 nV/√Hz at 10 kHz
- Extended industrial temperature range from -40°C to 125°C
- ESD protection exceeding JESD 22 standards
Applications
The LMV344IPWRE4 is suitable for a variety of applications due to its low power consumption, low noise, and wide operating temperature range. Some common applications include:
- Portable and battery-powered devices
- Industrial control systems
- Automotive systems (especially the LMV344IPWRQ1 variant)
- Medical devices requiring low noise and high precision
- Consumer electronics such as audio equipment and sensors
Q & A
- What is the supply voltage range for the LMV344IPWRE4?
The supply voltage range for the LMV344IPWRE4 is 2.5 V to 5.5 V.
- What is the typical input bias current of the LMV344IPWRE4?
The typical input bias current is 1 pA.
- What is the gain bandwidth of the LMV344IPWRE4?
The gain bandwidth is 1 MHz (typical).
- What is the slew rate of the LMV344IPWRE4?
The slew rate is 1 V/µs (typical).
- How long does it take for the LMV344IPWRE4 to turn on from shutdown?
The turn-on time from shutdown is 5 µs (typical).
- What is the input referred voltage noise at 10 kHz for the LMV344IPWRE4?
The input referred voltage noise at 10 kHz is 20 nV/√Hz.
- What is the operating temperature range of the LMV344IPWRE4?
The operating temperature range is -40°C to 125°C.
- What type of package does the LMV344IPWRE4 come in?
The LMV344IPWRE4 comes in a TSSOP-14 package.
- Does the LMV344IPWRE4 have ESD protection?
Yes, it exceeds JESD 22 standards with 2000-V Human-Body Model (HBM) and 750-V Charged-Device Model (CDM) protection.
- What are some common applications for the LMV344IPWRE4?
Common applications include portable and battery-powered devices, industrial control systems, automotive systems, medical devices, and consumer electronics.
