AD5412ACPZ-REEL7 - 12-Bit DAC with Current/Voltage Output | ADI
MPN： AD5412ACPZ-REEL7 ✓ 啟用中AD5412ACPZ-REEL7 概覽
A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current signal. The AD5412 belongs to the family of precision DACs used in industrial automation, where accurate analog output is essential for controlling actuators, valves, and transmitters. It integrates a current source and voltage output capability, making it versatile for various control loops.
Key features include 12-bit resolution, a programmable current output range (typically 4-20 mA) and voltage output range (0-5 V, 0-10 V, ±5 V, ±10 V), and a serial interface compatible with SPI. The device also includes a power-on reset, ensuring the output is at a known state on power-up. Its low power consumption and wide operating temperature range (-40°C to +125°C) make it suitable for harsh industrial environments.
Technically, the AD5412 uses a resistor-string architecture with an output amplifier, providing monotonic performance and low glitch energy. It includes a precision internal reference (optional external reference) and a flexible digital interface that supports daisy-chaining. The device is fully specified over the industrial temperature range, ensuring reliable operation in demanding applications.
Typical applications include industrial process control, programmable logic controllers (PLCs), actuator control, and transmitter calibration. The AD5412's ability to provide both current and voltage outputs makes it ideal for interfacing with various sensors and actuators in factory automation.
When designing with the AD5412, ensure proper decoupling of the power supply and reference pins. The output amplifier requires a stable supply; consider using a low-noise LDO for analog rails. Also, the thermal pad should be soldered to a large copper area for effective heat dissipation.
直接替換替代品，適用於 AD5412ACPZ-REEL7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： AD5412ACPZ-REEL7 （相同外形與佔位） — 差異在於 Current Output Range, DNL (Differential Nonlinearity), INL (Integral Nonlinearity), Interface, Operating Temperature Range.
AD5422ACPZ-REEL7
✅ 直接替換聯絡詢價
查看資料表 →AD5412ACPZ-REEL
✅ 直接替換📋 參考替代品（不在目錄中）
AD5410ACPZ-REEL7
✅ 直接替換📋 參考替代品（不在目錄中）
AD5422ACPZ-REEL
✅ 直接替換📋 參考替代品（不在目錄中）
AD5412ACPZ-REEL7 最大額定值與電氣特性
| 解析度 | 12 bits |
| Number of Channels | 1 |
| 輸出類型 | Current and Voltage |
| Current Output Range | 4 mA to 20 mA (programmable) |
| Voltage Output Range | 0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V (programmable) |
| 介面 | Serial (SPI-compatible) |
| 供應電壓 | AVDD: 10.8 V to 40 V, DVDD: 2.7 V to 5.5 V |
| 參考電壓 | Internal 2.5 V or external (up to AVDD) |
| INL (積分非線性) | ±0.5 LSB (typical) |
| DNL (Differential Nonlinearity) | ±0.5 LSB (typical) |
| 工作溫度範圍 | -40°C to +125°C |
| 封裝 | 40-Lead LFCSP-VQ (6x6 mm) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Power Dissipation | Typically 12 mW (voltage mode) |
AD5412ACPZ-REEL7 腳位配置
| 腳位 1 | AVDD — Analog power supply (10.8V to 40V) |
| 腳位 2 | AVDD — Analog power supply |
| 腳位 3 | IOUT — Current output |
| 腳位 4 | VOUT — Voltage output |
| 腳位 5 | AGND — Analog ground |
| 腳位 6 | AGND — Analog ground |
| 腳位 7 | REFIN/REFOUT — Reference input/output |
| 腳位 8 | DVDD — Digital power supply (2.7V to 5.5V) |
| 腳位 9 | DGND — Digital ground |
| 腳位 10 | SCLK — Serial clock input |
| 腳位 11 | SDIN — Serial data input |
| 腳位 12 | SYNC — Frame synchronization input |
| 腳位 13 | SDO — Serial data output |
| 腳位 14 | CLEAR — Clear output to zero-scale |
| 腳位 15 | FAULT — Fault indicator output |
| 腳位 16 | VIO — Logic interface supply |
| 腳位 17 | DVDD — Digital power supply |
| 腳位 18 | DGND — Digital ground |
| 腳位 19 | AVDD — Analog power supply |
| 腳位 20 | AGND — Analog ground |
典型應用
AD5412ACPZ-REEL7 適用於 6 應用s: Industrial Process Control, Programmable Logic Controllers (PLCs), Actuator Control, Transmitter Calibration, Building Automation, Test and Measurement Equipment.
Industrial Process Control
The AD5412ACPZ-REEL7 is ideal for industrial process control, providing programmable 4-20 mA current loops and voltage outputs for precise actuator and valve control. Its 12-bit resolution and wide supply range (up to 40V) ensure compatibility with 24V industrial buses. The device's serial interface simplifies integration with PLCs and microcontrollers, while its -40°C to +125°C temperature range guarantees reliable operation in harsh factory environments. The integrated current source eliminates the need for external transmitters, reducing BOM cost and board space.
推薦
Programmable Logic Controllers (PLCs)
In PLCs, the AD5412ACPZ-REEL7 serves as an analog output module, converting digital setpoints from the controller into standard 0-10V or 4-20mA signals for field devices. Its dual output capability (current and voltage) allows flexible configuration without hardware changes. The device's power-on reset ensures outputs are in a known state during system startup, preventing unintended actuator movement. With a 40-lead LFCSP package, it fits compact I/O modules, and its SPI interface supports daisy-chaining for multi-channel expansion.
推薦
Actuator Control
The AD5412ACPZ-REEL7 provides precise analog control signals for actuators such as pneumatic valves and motor drives. Its programmable current output (4-20 mA) is directly compatible with standard industrial actuators, eliminating the need for external V/I converters. The device's low INL/DNL (±0.5 LSB) ensures accurate positioning, while the internal reference reduces external component count. The wide supply voltage range (up to 40V) allows operation from unregulated industrial supplies, and the thermal pad aids heat dissipation in high-current modes.
推薦
Transmitter Calibration
The AD5412ACPZ-REEL7 is used in calibration equipment to generate precise analog signals for testing and calibrating industrial transmitters. Its 12-bit resolution and low drift ensure accurate output, while the programmable ranges (0-5V, 0-10V, ±5V, ±10V, 4-20mA) cover most transmitter input requirements. The device's serial interface allows easy integration with calibration software, and its small package enables portable calibrators. The internal reference provides stability over temperature, reducing calibration drift.
推薦
Building Automation
In building automation systems, the AD5412ACPZ-REEL7 controls HVAC actuators, lighting dimmers, and valve positioners. Its 4-20 mA current output is standard in building control networks, and the voltage output can drive 0-10V dimming interfaces. The device's low power consumption (12 mW typical) is beneficial for energy-efficient designs, and its wide temperature range suits rooftop units and mechanical rooms. The SPI interface connects to building controllers, and the power-on reset ensures safe startup.
推薦
Test and Measurement Equipment
The AD5412ACPZ-REEL7 is employed in test and measurement instruments to generate programmable voltage and current stimuli. Its 12-bit resolution and low glitch energy make it suitable for waveform generation and sensor simulation. The device's serial interface allows precise control from a microcontroller or FPGA, and its small package fits benchtop instruments. The internal reference ensures stable output, while the wide supply range accommodates various power architectures. The thermal pad aids in maintaining accuracy during continuous operation.
推薦
推薦產品摘要
工程參考資料，適用於 AD5412ACPZ-REEL7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | AD5422ACPZ-REEL7 | AD5412ACPZ-REEL | AD5410ACPZ-REEL7 | DAC7760IPWPR |
|---|---|---|---|---|---|
| Package | 40-Lead LFCSP-VQ (6x6 mm) | 40-Lead LFCSP-VQ (6x6 mm) - same | 40-Lead LFCSP-VQ (6x6 mm) - same | 40-Lead LFCSP-VQ (6x6 mm) - same | 20-Lead HTSSOP - different |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Resolution | 12 bits | 16 bits | 12 bits | 10 bits | 12 bits |
| Output Type | Current and Voltage | Current and Voltage | Current and Voltage | Current and Voltage | Current and Voltage |
| Supply Voltage (AVDD) | 10.8V to 40V | 10.8V to 40V | 10.8V to 40V | 10.8V to 40V | 10V to 36V |
| Interface | Serial (SPI) | Serial (SPI) | Serial (SPI) | Serial (SPI) | Serial (SPI) |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
| Pin Compatibility | Reference | Pin-compatible | Pin-compatible | Pin-compatible | Not pin-compatible |
主要差異化特點
- Higher resolution option available (對比AD5410ACPZ-REEL7)
- Pin-compatible upgrade path (對比AD5422ACPZ-REEL7)
- Cross-brand functional equivalent (對比DAC7760IPWPR)
設計說明
The AD5412 requires separate analog (AVDD) and digital (DVDD) supplies. AVDD can range from 10.8V to 40V, while DVDD should be between 2.7V and 5.5V. Use a low-noise LDO for DVDD to avoid digital noise coupling into the analog output. Decouple AVDD with a 10uF tantalum capacitor in parallel with a 0.1uF ceramic, placed close to the AVDD pins. For DVDD, a 1uF ceramic is sufficient.
The exposed thermal pad on the 40-lead LFCSP package must be soldered to a large copper area on the PCB to ensure proper heat dissipation. Connect the thermal pad to AGND. Use multiple vias to connect the pad to an internal ground plane. Keep analog and digital grounds separate and connect them at a single point near the device to minimize noise.
Place the reference decoupling capacitor (0.1uF) as close as possible to the REFIN/REFOUT pin. For the current output, ensure the IOUT trace has low resistance and is shielded from noisy digital signals. The SPI lines (SCLK, SDIN, SYNC) should be kept short and away from analog traces to prevent crosstalk. Use series resistors (e.g., 33 ohm) on SPI lines to reduce ringing.
合規資訊
RoHS compliant per distributor listings. No AEC-Q100 qualification indicated for this part.
