AD7091R-5BCPZ-RL7

AD7091R-5BCPZ-RL7 is a 12bit, ultra-low power, successive approximation analogue-to-digital converter (ADC). It operates from a single 2.7V to 5.25V power supply and typically consumes only 24µA at a 3V supply in fast mode. This device contains a wide bandwidth track-and-hold amplifier that can handle input frequencies upto 1.5MHz. It also features an on-chip conversion clock, an on-chip accurate 2.5V reference, and a programmable out-of-bounds user alert function. It offers four single-ended analogue input channels with a channel sequencer that allows a pre-programmed selection of channels to be converted sequentially. It uses advanced design techniques to achieve ultra-low power dissipation without compromising performance. It is used in applications such as battery-powered systems, personal digital assistants, medical instruments, mobile communications, instrumentation and control systems, data acquisition systems, optical sensors, and diagnostic/monitoring functions.

• I²C-compatible serial interface supports standard and fast modes
• Specified for VDD of 2.7V to 5.25V, 4 single-ended analogue input channels
• ALERT function, BUSY function, autocycle mode, wide input bandwidth
• Flexible power/throughput rate management, no pipeline delays
• Signal-to-noise ratio (SNR) is 68dB typical at (VDD = 2.7V to 5.25V, VDRIVE = 1.8V to 5.25V)
• Full power bandwidth is 1.5MHz typical at (-3dB, VDD = 2.7V to 5.25V, VDRIVE = 1.8V to 5.25V)
• Differential nonlinearity (DNL) is ±0.3LSB typical at (VDD = 2.7V to 5.25V, VDRIVE = 1.8V to 5.25V)
• Gain error is +0.1% FS maximum at (VDD = 2.7V to 5.25V, VDRIVE = 1.8V to 5.25V)
• Conversion time is 550ns typical at (VDD = 2.7V to 5.25V, VDRIVE = 1.8V to 5.25V)
• Operating temperature range from -40°C to +125°C, 20-lead LFCSP package

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