Key Features

• Supply Voltage: 2.5V to 5.5V
• Low Supply Current: 80μA per channel
• Positive Offset Voltage: +1mV to +4mV
• Offset Voltage Temperature Drift: 2 μV/°C
• High Output Capability: 100mA
• Rail to Rail Input and Output
• Bandwidth: 1 MHz
• Slew Rate: 0.7V/μs
• Excellent EMI Suppress Performance
• Low Noise: 35 nV/√Hz at 1kHz
• Operating Temperature Range: –40°C to 125°C

Applications

• Active Filters
• ASIC Input or Output Amplifier
• Sensor Interface
• Smoke/Gas/Environment Sensors
• Portable Instruments and Mobile Devices

Description

The LMV321B-TR is a low-power, high-performance op-amp suitable for a variety of applications where low noise and low power consumption are critical. Its rail-to-rail input and output capabilities make it ideal for single-supply systems, and it can drive heavy capacitive loads, such as those found in LCDs.

Pin Configuration

The LMV321B-TR is available in a 5-Pin SOT23/SC70 package, with the following pin configuration:

• Pin 1: +In (Non-inverting input)
• Pin 2: -VS (Negative supply)
• Pin 3: Out (Output)
• Pin 4: +VS (Positive supply)
• Pin 5: -In (Inverting input)

Electrical Characteristics

• Supply Voltage Range: 2.5V to 5.5V
• Quiescent Current per Amplifier: 80μA to 130μA
• Power Supply Rejection Ratio (PSRR): 70dB to 75dB
• Input Offset Voltage: +1mV to +4mV
• Input Offset Voltage Drift: 2 μV/°C
• Input Bias Current: 1 pA at 25°C, 25 pA at 85°C
• Input Offset Current: 1 pA
• Input Capacitance: 8 pF (Differential Mode), 7 pF (Common Mode)
• Open-loop Voltage Gain: 85dB to 110dB
• Common-mode Input Voltage Range: -0.1V to +0.1V relative to (V-) and (V+)
• Common Mode Rejection Ratio (CMRR): 65dB to 85dB
• Channel Separation: 110dB at 1kHz
• Maximum Output Voltage Swing: 3mV to 15mV
• Output Short-circuit Current: 90mA to 100mA
• Gain-Bandwidth Product (GBW): 1 MHz
• Slew Rate: 0.7V/μs