Overview
The LMV934MAX/NOPB is a quad operational amplifier from Texas Instruments, part of the LMV93x-N series. These devices are optimized to operate at 1.8 V, making them ideal for portable two-cell battery-powered systems and single-cell Li-Ion systems. The LMV934MAX/NOPB is particularly suited for area-constrained PC boards and portable electronics such as mobile phones and tablets due to its ultra-tiny packages.
Key Specifications
| Parameter | Test Conditions | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage Range | V+ - V- | 1.8 | 5.5 | V | |
| Ambient Temperature | -40 | 125 | °C | ||
| Input Offset Voltage (VOS) | 25°C, V+ = 1.8 V, V- = 0 V | 1 | 5.5 | 7.5 | mV |
| Input Bias Current (IB) | 25°C | 15 | 35 | 50 | nA |
| Supply Current (per Channel) | 25°C | 103 | 185 | 205 | μA |
| Gain Bandwidth Product | 1.4 | MHz | |||
| Output Swing (RL = 600 Ω) | VIN = ±100 mV | 2.55 | 2.62 | V | |
| Output Swing (RL = 2 kΩ) | VIN = ±100 mV | 2.65 | 2.67 | V | |
| Input Common-Mode Voltage Range | V- - 0.2 to V+ + 0.2 | V |
Key Features
- Specified at 1.8 V, 2.7 V, and 5 V supply voltages.
- Output swing within 80 mV from rail with a 600-Ω load and within 30 mV from rail with a 2-kΩ load.
- Input common-mode voltage extends 200 mV beyond the supplies.
- Supply current per channel of 100 μA (typical) at 1.8 V.
- Gain bandwidth product of 1.4 MHz.
- Maximum input offset voltage of 5.5 mV.
- Ultra-tiny packages including TSSOP and SOIC for space-saving designs.
- Temperature range of -40°C to +125°C.
- High DC gain of 101 dB, suitable for low-frequency applications.
- Ability to drive a 600-Ω load and up to 1000-pF capacitive load with minimal ringing.
Applications
- Portable electronics such as mobile phones and tablets.
- Area-constrained PC boards.
- Low-frequency applications requiring high DC gain.
- Battery-powered systems, including two-cell and single-cell Li-Ion systems.
- General-purpose analog signal processing.
Q & A
- What is the typical supply voltage for the LMV934MAX/NOPB?
The typical supply voltage for the LMV934MAX/NOPB is 1.8 V, but it can operate from 1.8 V to 5.5 V.
- What is the input common-mode voltage range for this device?
The input common-mode voltage range extends 200 mV beyond the supplies.
- What is the gain bandwidth product of the LMV934MAX/NOPB?
The gain bandwidth product is 1.4 MHz.
- What is the maximum input offset voltage for this device?
The maximum input offset voltage is 5.5 mV.
- What are the typical package options for the LMV934MAX/NOPB?
The device is available in TSSOP and SOIC packages.
- What is the operating temperature range for the LMV934MAX/NOPB?
The operating temperature range is from -40°C to +125°C.
- Can the LMV934MAX/NOPB drive capacitive loads?
Yes, it can drive up to 1000-pF capacitive loads with minimal ringing.
- What is the supply current per channel for the LMV934MAX/NOPB at 1.8 V?
The supply current per channel is typically 100 μA at 1.8 V.
- What are some common applications for the LMV934MAX/NOPB?
Common applications include portable electronics, area-constrained PC boards, and low-frequency analog signal processing.
- How does the output swing of the LMV934MAX/NOPB vary with load resistance?
The output swing is within 80 mV from rail with a 600-Ω load and within 30 mV from rail with a 2-kΩ load.
