ADI’s AD623 is single- or dual-supply instrumentation amplifier for rail-to-rail output with a voltage range of 3 V to 12 V. With no need for an external resistor, this amplifier is perfect for low power consumption, low board space, and lower cost count. The high accuracy with 800 kHz bandwidth and high gain of 1 to 1000 is perfect for battery applications. The devices come in 8-pin packages of PDIP, SOIC, and MSOP and has a -40°C to +85°C temperature range. The AD623 instrumentation amplifier is ideal for battery and wearable applications such as medical, fitness, and gaming applications.