Overview
The LM2902PWRG4 is a quad operational amplifier produced by Texas Instruments. It is part of the LM2902 series, known for its high performance and versatility in various applications. This device is particularly notable for its wide supply voltage range, low input offset voltage, and high common-mode rejection ratio, making it suitable for a broad range of electronic systems.
Key Specifications
| Parameter | Typical Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage Range | 3 V to 32 V (Single Supply), ±1.5 V to ±16 V (Dual Supply) | V | - |
| Input Offset Voltage | 2 mV (BA version), 3 mV (B version) | mV | VIC = VICRmin, 25°C |
| Input Bias Current | 20 nA (Typ), 50 nA (Max) | nA | VO = 1.4 V, 25°C |
| Common-Mode Input Voltage Range | 0 to VCC - 1.5 V | V | - |
| Open-Loop Differential Voltage Amplification | 100 V/mV | V/mV | VO = 1 V to 11 V, RL ≥ 2 kΩ |
| Supply Current (Four Amplifiers) | 1.4 mA (Typ), 3 mA (Max) | mA | VCC = MAX, VO = 0.5 VCC, Full range |
| Operating Temperature Range | -40°C to 125°C | °C | - |
| Package Type | TSSOP (14 pins) | - | - |
Key Features
- Wide supply voltage range: 3 V to 32 V (single supply) and ±1.5 V to ±16 V (dual supply).
- Low input offset voltage: ±2 mV (BA version) and ±3 mV (B version).
- Low input bias current: 20 nA (typical) and 50 nA (maximum).
- Common-mode input voltage range includes ground, allowing direct sensing near ground.
- Differential input voltage range equal to the maximum-rated supply voltage.
- Internal frequency compensation and high common-mode rejection ratio.
- ESD rating: 2 kV (HBM), 1.5 kV (CDM).
Applications
- Transducer amplifiers and dc amplification blocks.
- Power supplies and mobile chargers.
- Desktop PC and motherboard.
- Multi-function printers.
- Indoor and outdoor air conditioners.
- Washers, dryers, and other household appliances.
Q & A
- What is the supply voltage range for the LM2902PWRG4? The supply voltage range is 3 V to 32 V for single supply and ±1.5 V to ±16 V for dual supply.
- What is the typical input offset voltage for the LM2902PWRG4? The typical input offset voltage is ±2 mV for BA versions and ±3 mV for B versions.
- What is the maximum input bias current for the LM2902PWRG4? The maximum input bias current is 50 nA.
- Can the LM2902PWRG4 operate with a single supply voltage? Yes, it can operate with a single supply voltage from 3 V to 32 V.
- What is the common-mode input voltage range for the LM2902PWRG4? The common-mode input voltage range includes ground and can go up to VCC - 1.5 V.
- What is the typical supply current for the LM2902PWRG4? The typical supply current is 1.4 mA for four amplifiers.
- What is the operating temperature range for the LM2902PWRG4? The operating temperature range is -40°C to 125°C.
- What package type is the LM2902PWRG4 available in? The LM2902PWRG4 is available in a TSSOP (14 pins) package.
- Is the LM2902PWRG4 ESD protected? Yes, it has an ESD rating of 2 kV (HBM) and 1.5 kV (CDM).
- What are some common applications of the LM2902PWRG4? Common applications include transducer amplifiers, power supplies, mobile chargers, and various household appliances).
