Linear Technology LTC1043CSW#PBF Dual Precision Instrumentation Switched Capacitor Building Block

The LTC1043CSW#PBF is a versatile dual precision switched capacitor building block developed by Linear Technology, designed for applications requiring precise charge transfer, filtering, or frequency conversion. This high-performance device is ideal for constructing precision filters, voltage-controlled oscillators, frequency doublers and precision analog circuits.

Constructed with CMOS technology, the LTC1043 is capable of operating with a single or dual power supply ranging from a single 5V up to ±8V, making it adaptable for various circuit configurations. Its low power consumption and wide operating voltage range make it a suitable choice for battery-operated and portable devices as well as industrial and automotive applications.

The device features two independent building blocks, each comprising an operational amplifier, a 20pF capacitor and a six-position switch. The LTC1043's switches can be independently programmed via digital inputs, which allows for the precise transfer of charges between capacitors. This functionality is critical in creating high-performance analog functions such as filters and oscillators without the need for external components, thereby reducing system complexity and cost.

Key specifications of the LTC1043CSW#PBF include its high switching frequency of up to 25kHz, which enables the design of high-frequency filters and data acquisition systems. The device also boasts a low charge injection of less than 15pC and a low switch on-resistance of typically 300 Ohms, ensuring minimal signal distortion and high accuracy in signal processing applications.

The LTC1043CSW#PBF comes in a 20-lead wide-body SOIC package, providing a compact solution that is easy to integrate into a wide range of electronic circuits. Its robust design ensures reliable performance even under harsh conditions, with an operating temperature range of 0°C to 70°C.

In summary, the LTC1043CSW#PBF from Linear Technology is a highly flexible and precise switched capacitor building block that caters to designers looking for a high-quality solution for complex analog signal processing tasks. Its versatility and high performance make it an excellent choice for a variety of precision analog applications.