MAX1174BCUP+

Number of A/D Converters:	1
Base Part Number:	MAX1174
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.25 V
Voltage - Supply, Analog:	5V
Reference Type:	External, Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	135k
Number of Bits:	14
Part Status:	Active
Packaging:	Tube

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MAX1174BCUP+ Application Field and Working Principle

Data acquisition through analog-to-digital converters (ADCs) has become increasingly important in modern engineering and science applications. The MAX1174BCUP+ is the latest of a family of low-power, low-noise, high-speed, high-accuracy ADCs developed by Maxim Integrated, which offers excellent performance and value for many applications.The MAX1174BCUP+ is a 14-bit ADC that can operate from a single 5V supply. It offers a maximum sample rate of 1MSPS and a total throughput of 7.3MSPS at lower resolutions. The converter also provides an outstanding 104dB dynamic range, and excellent signal-to-noise performance of 77dB SNR and 88dB SFDR with a signal bandwidth of 1MHz. As such, its 14-bits of resolution and its performance levels make it well-suited for a variety of data acquisition applications, such as high-end test and measurement equipments, medical technologies, automotive systems, and portable instrumentation.The architecture of the MAX1174BCUP+ is based on a two-step pipeline ADC design. The first stage is a buffered sample-and-hold circuit that accepts differential or single-ended input signals, and samples them at the selected rate. The sampled signal is then amplified and sent to a flash converter for conversion. This converter is followed by a 8b Successive Approximation Register (SAR) stage, which resolves the remaining 6 bits of resolution. The resolution of the resulting 14-bit quantity is output as the digital result in a serial format. The clock timing of the MAX1174BCUP+ is generated internally by a Phase Lock Loop (PLL). This delivers accurate sampling frequencies with low jitter, and provides stable data rates across a wide temperature range. Other features include a very low power consumption of 2.4mW per bit per sample, a standby power consumption of 0.4mW, and a high settling accuracy of 3LSB max.The MAX1174BCUP+ is available in a space-saving 5-mm x 5-mm Thin-Quad Flatpack (TQFP) package. It is also designed to reduce component count by integrated features such as its low-drift reference. It is fully characterized over a -40°C to +85°C temperature range, and is available fixed-gain or variable-gain amplifier options.Overall, the MAX1174BCUP+ is a high-performance, low-cost converter capable of delivering excellent performance and value for many data acquisition applications. Its accuracy, low noise, high-speed, and low power characteristics make it a robust, reliable, and value-oriented device for complex data acquisition projects.

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