TI TLV8544DR

The TLV854x ultra-low-power operational amplifiers are suitable for cost-optimized sensing applications in wireless and low-power wired devices. The TLV854x series of operational amplifiers can minimize the power consumption of devices such as motion detection security systems (e.g., microwave and PIR motion sensing systems) that place a high emphasis on battery life. The complementary metal-oxide-semiconductor (CMOS) input stage of such devices is carefully designed to achieve ultra-low femtoampere offset current, thereby reducing IBIAS and IOS errors that would otherwise affect sensitive applications. Examples of such applications include transimpedance amplifier (TIA) configurations with megaohm feedback resistors and high source impedance sensing applications. Additionally, the built-in EMI protection reduces the device's sensitivity to unwanted RF signals emitted by mobile phones, WiFi, radio transmitters, and tag readers.

• Nanoamp supply current: 500nA/channel
• Offset voltage: 3.1mV (maximum)
• TcVos: 0.8μV/°C
• Gain bandwidth: 8kHz
• Unity-gain stable
• Low input bias current: 100fA
• Wide supply voltage range: 1.7V to 3.6V
• Rail-to-rail input and output (RRIO)
• Temperature range: -40°C to +125°C
• Industry-standard packages: quad 14-pin TSSOP and SOIC, dual 8-pin SOIC, single 5-pin SOT-23, leadless package (dual 8-pin X2QFN)

• Motion detector using PIR sensor SNAA301
• Motion detector using microwave sensor
• Gas detector
• Ionization smoke alarm
• Temperature control device
• Remote sensor, IoT
• RFID reader and tag
• Portable medical device
• Blood glucose monitoring