Overview
The LM321LVIDBVR is a single-channel, industry-standard, low-voltage operational amplifier produced by Texas Instruments. This device is designed for cost-sensitive systems and offers several key advantages, including low input offset voltage and a wide common-mode voltage range that includes ground. It operates within a supply voltage range of 2.7 V to 5.5 V, making it suitable for a variety of low-voltage applications.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VOS) | VS = 5 V | ±1 | ±3 | ±5 | mV |
| Power-Supply Rejection Ratio (PSRR) | VS = 2.7 V to 5.5 V, VCM = (V–) | 80 | 100 | dB | |
| Common-Mode Voltage Range (VCM) | No phase reversal | (V–) – 0.1 | (V+) – 1 | V | |
| Common-Mode Rejection Ratio (CMRR) | VS = 2.7 V, (V–) – 0.1 V < VCM < (V+) – 1 V | ||||
| Supply Voltage Range | 2.7 | 5.5 | V | ||
| Bandwidth | 1 | MHz |
Key Features
- Low input offset voltage: ±1 mV (typical) and ±5 mV (maximum) over the temperature range of –40°C to 125°C.
- Wide common-mode voltage range that includes ground, allowing for single-supply operation.
- High power-supply rejection ratio (PSRR): 80 dB (minimum) and 100 dB (typical).
- Low noise: Input voltage noise spectral density as low as 10 nV/√Hz.
- Operating temperature range: –40°C to 125°C.
- Compact packaging: Available in 5-pin SOT-23 and SC70 packages.
Applications
The LM321LVIDBVR is suitable for a variety of applications, including:
- Cost-sensitive systems requiring low-voltage operation.
- Single-supply systems where the common-mode voltage range needs to include ground.
- Audio and video signal processing due to its low noise and high PSRR.
- Industrial control systems and medical devices where precision and reliability are crucial.
- Portable electronics and battery-powered devices due to its low power consumption.
Q & A
- What is the typical input offset voltage of the LM321LVIDBVR?
The typical input offset voltage is ±1 mV. - What is the supply voltage range for the LM321LVIDBVR?
The supply voltage range is 2.7 V to 5.5 V. - What is the common-mode voltage range for the LM321LVIDBVR?
The common-mode voltage range is from (V–) – 0.1 V to (V+) – 1 V. - What is the power-supply rejection ratio (PSRR) of the LM321LVIDBVR?
The PSRR is 80 dB (minimum) and 100 dB (typical). - What are the available package types for the LM321LVIDBVR?
The device is available in 5-pin SOT-23 and SC70 packages. - What is the bandwidth of the LM321LVIDBVR?
The bandwidth is 1 MHz. - What is the operating temperature range for the LM321LVIDBVR?
The operating temperature range is –40°C to 125°C. - Is the LM321LVIDBVR suitable for single-supply operation?
Yes, it is suitable for single-supply operation due to its wide common-mode voltage range that includes ground. - What are some typical applications for the LM321LVIDBVR?
Typical applications include cost-sensitive systems, single-supply systems, audio and video signal processing, industrial control systems, and portable electronics. - Where can I find detailed specifications and datasheets for the LM321LVIDBVR?
Detailed specifications and datasheets can be found on the Texas Instruments website and other electronic component databases like Digi-Key, Mouser, and AllDatasheet.
