ADS54J64IRMPT

Ratio - S/H:ADC:	1:1
Supplier Device Package:	72-VQFN (10x10)
Package / Case:	72-VFQFN Exposed Pad
Features:	Simultaneous Sampling
Voltage - Supply, Digital:	1.1 V ~ 1.2 V
Voltage - Supply, Analog:	1.1 V ~ 1.2 V, 1.8 V ~ 2 V
Reference Type:	Internal
Architecture:	Pipelined
Number of A/D Converters:	4
Series:	--
Configuration:	S/H-ADC
Data Interface:	JESD204B
Input Type:	Differential
Number of Inputs:	4
Sampling Rate (Per Second):	1G
Number of Bits:	14
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction:

ADS54J64IRMPT is an analog-to-digital-converter or ADC for short. The device is designed for low power applications and offers a high level of integration; it is used in communication, consumer electronics, industrial systems and automotive applications. In this article, the application field and working principle of ADS54J64IRMPT is discussed in detail.

Application field:

The ADS54J64IRMPT ADC is an 8-bit, low-power ADC with a maximum conversion rate of 200K samples/sec. It has a wide variety of applications in communication, consumer electronics, industrial systems and automotive applications. In communication applications, the device can be used to convert analog input signals with a wide range of resolutions, Hence making it suitable for telecommunication applications, wireless communication systems and wireless local area networks. In consumer electronics, the device can be used to convert digital audio signals to analog and vice versa, which makes it ideal for digital TV, digital cameras and mp3 players. In industrial systems, the device can be used to convert analog input signals for industrial control systems. Thus, it is suitable for a broad range of applications such as high-precision metering, automation and process control. In automotive applications, the device can be used in engine control systems, instrumentation and navigation systems, as well as other embedded applications.

Working principle:

The ADS54J64IRMPT ADC uses a combination of a resistive network and binary-weighted capacitors for its circuit design. Its working principle works in three main steps: precharging, conversion and discharging.In the precharging step, the ADC first sets up the charge on all three capacitors in order to reduce any errors. It then charges up the negative and positive comparators to their reference levels.In the conversion step, the ADC compares the input voltage to the negative and positive comparators in order to determine the digital output. If the input voltage is higher than the negative comparator, a logic 1 is outputted. The same applies for the positive comparator, if the voltage is lower than the positive comparator, a logic 0 is outputted. Finally, in the discharging step, the ADC discharges the capacitors to prepare for the next conversion.

Conclusion:

The ADS54J64IRMPT ADC is an 8-bit, low power ADC with a maximum conversion rate of 200K samples/sec. It is used for a wide range of applications such as communication, consumer electronics, industrial systems and automotive applications. The working principle of the device works in three steps of precharging, conversion and discharging. With its excellent performance and wide range of applications, the ADS54J64IRMPT ADC has become a popular choice for many low power applications.

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