Overview
AD5602BKSZ-2500RL7 is a 12-bit, voltage output digital-to-analog converter (DAC) launched by Analog Devices (ADI) , designed for low-power, high-precision analog control applications. The device uses an I²C interface control , integrates an on-chip reference source (2.5V), has extremely low power consumption and compact packaging, and is widely used in portable instruments, sensor bias, industrial automation, battery-driven systems, data acquisition systems and other occasions with high power consumption and accuracy requirements.

Specifications
parameter | Numeric |
Resolution | 12 bits |
Output Type | Voltage output (on-chip buffer) |
Communication interface | I²C (up to 400kHz) |
Output voltage range | 0V to 2.5V (based on internal reference) |
Integrated voltage reference | 2.5V ±0.1% |
Single power supply voltage range | 2.7V to 5.5V |
Working current | 90μA (typ.) |
Power-down mode current | <1μA |
DNL/INL (max) | ±0.5 LSB / ±1 LSB |
Package Type | 6-pin SOT-23 (KSZ package) |
Operating temperature range | -40°C to +105°C (Industrial Grade) |
Package Features | Lead-free, RoHS compliant, tape and reel packaging (2500pcs) |
AD5602BKSZ-2500RL7 Key Features
High resolution and high precision output
It provides 12-bit resolution and a minimum step voltage of approximately 0.61mV, making it suitable for applications that require fine-grained control of the output voltage, such as sensor bias, voltage-controlled amplifiers, modulators, etc.
Integrated 2.5V precision reference
The internal reference voltage accuracy is ±0.1%, eliminating the need for external reference source design, simplifying the circuit, saving cost and space.
Ultra-low power design
Current consumption is only 90μA in normal operation and drops to less than 1μA in power-down mode, making it ideal for portable and battery-powered systems.
Compact SOT-23 package
The 6-pin SOT-23 package (KSZ) enables high-performance DAC functions within limited PCB space and is easy to integrate into compact systems.
Supports I²C interface for easy embedded integration
Standard I²C communication (supports 7-bit addressing) simplifies connection with microcontrollers (such as STM32, AVR, PIC), suitable for modern embedded designs.
Power-down and fast wake-up function
Supports low-power power-down mode, can achieve fast wake-up through I²C instructions, and optimizes power management strategy.
Application Areas
With its high precision, low power consumption and compact package, the AD5602BKSZ-2500RL7 excels in the following areas:
Industrial Automation and Process Control
Used for analog voltage output, control loop, precision voltage setting, etc.
Portable and battery-powered devices
Suitable for low power consumption environments such as handheld instruments, portable test instruments, battery monitoring systems, etc.
Sensor Bias and Calibration
Provide accurate bias voltage for photoelectric sensors, temperature sensors, and pressure sensors.
Medical electronic equipment
Achieve precision voltage regulation in electrocardiographs, monitoring equipment, and signal conditioning circuits.
Data Acquisition System (DAQ)
As DA output terminal, it provides reference voltage or control level.
Programmable voltage bias in audio circuits
Provides audio pre-stage adjustment capability under digital control.
Advantages comparison analysis
Features/Specifications | AD5602BKSZ-2500RL7 | Other low-cost DACs (typical) |
Resolution | 12 bits | 8 or 10 bits |
Voltage Reference | Built-in 2.5V, ±0.1% accuracy | Most have no internal benchmark |
Interface Type | I²C | SPI / I²C |
Power consumption | 90μA (operating) / <1μA (power-down) | 250μA or more |
Package volume | SOT-23 (3x3mm) | DIP or SOIC package |
The AD5602BKSZ-2500RL7 outperforms common entry-level DACs in terms of resolution, power consumption, size, and accuracy, making it an ideal choice for high performance analog output designs.
Manufacturer introduction: Analog Devices (ADI)
Analog Devices is a leading global supplier of high-performance analog technology. Its digital-to-analog converter (DAC) product line is widely used in signal chain systems, precision control, industrial and medical electronics, etc. The AD5602 series continues ADI’s consistent precision design concept, providing high stability, low noise and ultra-low power consumption, and is deeply favored by engineers in the embedded and control fields.
Why choose AD5602BKSZ-2500RL7?
● 12-bit high resolution for high-precision analog output
● Built-in 2.5V precision reference voltage source, ±0.1% accuracy
● Ultra-low power consumption: 90μA normal, <1μA power-down mode
● Standard I²C interface for easy integration with MCU system
● Industrial-grade temperature support (-40°C to +105°C)
● Compact SOT-23 package for high-density circuit board design
The AD5602BKSZ-2500RL7 is a micropower DAC solution that combines precision, energy efficiency, and ease of use, making it the device of choice for high performance analog outputs in embedded control systems.
Frequently Asked Questions (FAQ)
Q1: Can the AD5602 be used to control the analog voltage output range?
Yes, the AD5602 is a 12-bit voltage output DAC with an output range from 0V to 2.5V. The output voltage can be finely controlled through the I²C interface, which is suitable for applications that require a high-precision adjustable voltage source. The device has high stability and good linearity, making it suitable for scenarios such as industrial control and sensor calibration.
Q2: Does it support multiple AD5602 on the same I²C bus?
Yes, AD5602 provides multiple optional I²C device addresses, allowing multiple devices to be connected on the same I²C bus. Each DAC can be independently addressed and configured, making it easy to build a multi-channel analog output system, especially suitable for automation equipment or data acquisition systems with multiple output points.
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