TLV2454

四路微功耗轨至轨输入/输出运算放大器

The TLV245x is a family of rail-to-rail input/output operational amplifiers that sets a new performance point for supply current and ac performance. These devices consume a mere 23 µA/channel while offering 220 kHz of gain-bandwidth product, much higher than competitive devices with similar supply current levels. Along with increased ac performance, the amplifier provides high output drive capability, solving a major shortcoming of older micropower rail-to-rail input/output operational amplifiers. The TLV245x can swing to within 250 mV of each supply rail while driving a 2.5-mA load. Both the inputs and outputs swing rail-to-rail for increased dynamic range in low-voltage applications. This performance makes the TLV245x family ideal for portable medical equipment, patient monitoring systems, and data acquisition circuits.

Three members of the family TLV2450/3/5 offer a shutdown terminal for conserving battery life in portable applications. During shutdown, the outputs are placed in a high-impedance state and the amplifier consumes only 16 nA/channel. The family is fully specified at 3 V and 5 V across an expanded industrial temperature range –40°C to 125°C. The singles and duals are available in the SOT23 and MSOP packages, while the quads are available in TSSOP. The TLV2450 offers an amplifier with shutdown functionality all in a 6-pin SOT23 package, making it perfect for high density circuits.

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Supply Current...23 µA/Channel

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Gain-Bandwidth Product...220 kHz

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Output Drive Capability...±10 mA

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Input Offset Voltage...20 µV typ

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VDD Range...2.7 V to 6 V

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Power Supply Rejection Ratio...106 dB

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Ultralow-Power Shutdown Mode

IDD ...16 nA/ch

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Rail-To-Rail Input/Output RRIO

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Ultrasmall Packaging

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5 or 6 Pin SOT-23 TLV2450/1

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8 or 10 Pin MSOP TLV2452/3