LTC2625CGN#TRPBF

Reference Type:	External
Base Part Number:	LTC2625
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Architecture:	--
INL/DNL (LSB):	±1, ±0.5 (Max)
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	--
Data Interface:	I²C
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	7µs (Typ)
Number of D/A Converters:	8
Number of Bits:	12
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LTC2625CGN#TRPBF is a Digital-to-Analog Converter (DAC) specifically designed for precision applications. It features 16-bit resolution and Rail-to-Rail performance in a low voltage, industrial rate part that is guaranteed monotonic over temperature. The LTC2625CGN#TRPBF is the ideal choice for applications that require highly accurate and dynamic range from a low power source.

Application Field

The low voltage, low power design of the LTC2625CGN#TRPBF makes it an ideal choice for data acquisition applications that require high accuracy and fast Flash write/update speeds. The DAC can be used in applications ranging from motion control to medical imaging, digital instrumentation and industrial process control. It is also used in test and measurement equipment, automotive applications, telecom systems and any application where the accurate reproduction of analog signals is important.

Working Principle

The LTC2625CGN#TRPBF takes in a digital input and uses a series of logic circuitry to convert the digital input into an analog voltage output in the desired range. This output is then used to control analog components like motors, actuators, and valves in applications like motion control and process control.The chip includes a Nonvolatile Setting Block (NSB) which stores the application specific parameters that determine the accuracy and speed of the converter. These parameters can be adjusted for each specific application requirement.

Performance Ratings

The performance ratings of the LTC2625CGN#TRPBF include guaranteed monotonicity over temperature, ±1 LSB max INL (integral nonlinearity) error, and 11-bit total error. The applied voltage range is 0V to +5V, with a maximum output current of 5mA. The typical temperature coefficient is ±2ppm/°C and Varactor Reference Mode drift is less than ±1ppm/V. The integrated Resistor String settling time is 250ns in the power down mode and 40ns in the running mode.

Conclusion

The LTC2625CGN#TRPBF Digital-to-Analog Converter (DAC) is an ideal choice for precision data acquisition applications in which accuracy and speed of response is critical. Its low voltage, low power design makes it a perfect fit for many applications, ranging from motion control to medical imaging and industrial process control. The chip includes a Nonvolatile Setting Block (NSB) which allows for application specific programming of parameters such as accuracy and speed of response. The performance ratings of the chip, including guaranteed monotonicity over temperature, 12-bit resolution, ±1 LSB max INL error and 11-bit total error demonstrate its outstanding high accuracy and reliability for applications that require a high degree of precision.

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