LTC2336IMS-18#PBF

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Data Acquisition – Analog to Digital Converters (ADC) has seen tremendous developments in recent years. With new applications and improved performance, ADC continues to be a popular technology in electronic devices. The LTC2336IMS-18#PBF (or LTC2336) is one such device. It is a 14-bit, charge-time-measurement-based, low-power, A/D converter specifically designed for low power, low voltage applications.

The LTC2336 operates on a supply voltage of 2.7V to 3.6V, with a typical power dissipation of just 1.5 mW at full performance. This allows it to be used in a wide range of applications, particularly those where power is a limiting factor. The LTC2336 boasts an on-chip, low pass filter which helps to reduce the effect of input transients and aliasing effects, further boosting its capability in noisy environments.

The LTC2336 features a 14-bit resolution, with 12-bit accuracy at 10 ksps. It also has a 45 dBc spurious-free dynamic range and a fast settling comparator with 400 ns output settling time to zero error. Furthermore, the LTC2336 features a temperature cycle of 0°C to 70°C and operates across an ambient temperature range of 40°C to +85°C.

In terms of its application fields, the LTC2336 is well suited for low-power, low voltage applications. It is an ideal choice for measuring bio signals such as electrocardiography (ECG) or electroencephalography (EEG) in portable medical devices. Due to its low power consumption, it is also suitable for battery-operated consumer and industrial products such as portable audio and video systems, telecommunication systems and consumer electronics such as smart phones, tablets, media players and remote controls.

In terms of its working principle, the LTC2336 is based on a Charge-Time-Measuring (CTM) architecture which eliminates power consumption in the analog-to-digital (A/D) conversion process. This allows it to deliver extremely low power consumption while providing high performance levels. During a conversion cycle, the charge accumulation capacitor is pre-charged and then discharged using an external capacitor at the input of the analog-to-digital converter (ADC). As the charge decreases, the internal comparators measure the time it takes for the voltage at the input of the ADC to reach a pre-determined threshold. This duration of charge is then measured by the ADC, which produces a digital value corresponding to the time it took for the voltage at the input of the converter to reach the pre-determined threshold.

In conclusion, the LTC2336IMS-18#PBF is a very useful device for low-power, low-voltage applications due to its low power consumption and high level of performance. It is a 14-bit A/D converter based on CTM architecture and is ideal for measuring bio signals in portable medical devices and consumer and industrial products such as consumer electronics and audio and video systems.

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