MAX5157BCEE+

Reference Type:	External
Base Part Number:	MAX5157
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	R-2R
INL/DNL (LSB):	±2 (Max), ±1 (Max)
Voltage - Supply, Digital:	2.7 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Series:	--
Data Interface:	SPI
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	18µs (Typ)
Number of D/A Converters:	2
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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The MAX5157BCEE+ is a Digital to Analog Converter (DAC) specifically designed for precision applications. It features high accuracy, low noise and drift, and can provide up to 16-bit resolution with a full-scale current output range of 0mA to 8mA. The DAC provides accurate, linear and low-noise output operation over a wide temperature range, offering excellent reliability and performance in a wide range of signal processing applications.The MAX5157BCEE+ is a low-power, 16-bit, voltage/current-output, voltage-input, single-channel, serial-input DAC. The DAC is powered from a single supply and typically draws 12mA from +5V. The DAC is compatible with various interface protocols, including SPI, I2C and RS-485. The DAC accepts byte data and supports daisy-chain operation. It has an internal reference that provides a 0V to +3.3V reference range and can be used with any external reference voltage down to 4V. The output of the DAC can be programmed from 0mA to 8mA, making it suitable for all types of current-output applications, such as driving LEDs, motors and solenoids.The MAX5157BCEE+ is designed for precision applications and provides a high accuracy of 0.1% and low-temperature drift of 0.1µV/°C. It is also capable of reducing or eliminating the need for external correction networks in some applications. The device is optimized for use in automotive, industrial, consumer, healthcare and other embedded systems applications.The working principle of the MAX5157BCEE+ is based on the conversion of digital words into corresponding analog voltage and current signals. The device utilizes a binary-weighted architecture which is based on resistors, capacitors and switches. The operation begins with a successive approximations of the analog value. When the DAC receives a digital word, a comparison takes place between the internally generated reference voltage and the sum of the selected binary-weighted resistor network. If the input digital word is greater than the reference voltage, the switch corresponding to that binary-weight is opened and the resistor corresponding to that binary-weight is included in the resistor chain. This process is repeated until the input digital word exactly matches the reference voltage. Once the comparison process is completed, the DAC produces the corresponding analog output voltage or current.In conclusion, the MAX5157BCEE+ is an excellent choice for precision applications. It offers high accuracy, low noise and drift, and can provide up to 16-bit resolution with a full-scale current output range of 0mA to 8mA. The device is optimized for use in automotive, industrial, consumer, healthcare and other embedded systems applications and is capable of reducing or eliminating the need for external correction networks in some applications.

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