AD5412ACPZ-REEL7 - 12-Bit DAC with Current/Voltage Output | ADI
MPN: AD5412ACPZ-REEL7 ✓ Hoạt độngAD5412ACPZ-REEL7 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho AD5412ACPZ-REEL7 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với AD5412ACPZ-REEL7 (cùng hình factor và footprint) — khác nhau ở Current Output Range, DNL (Differential Nonlinearity), INL (Integral Nonlinearity), Interface, Operating Temperature Range.
AD5422ACPZ-REEL7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →AD5412ACPZ-REEL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
AD5410ACPZ-REEL7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
AD5422ACPZ-REEL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
AD5412ACPZ-REEL7 Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 12 bits |
| Number of Channels | 1 |
| Kiểu đầu ra | 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) |
| Giao diện | Serial (SPI-compatible) |
| Điện áp cung cấp | AVDD: 10.8 V to 40 V, DVDD: 2.7 V to 5.5 V |
| Điện áp tham chiếu | Internal 2.5 V or external (up to AVDD) |
| INL (Bất định tích hợp) | ±0.5 LSB (typical) |
| DNL (Differential Nonlinearity) | ±0.5 LSB (typical) |
| Khoảng nhiệt độ hoạt động | -40°C to +125°C |
| Hộp | 40-Lead LFCSP-VQ (6x6 mm) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Power Dissipation | Typically 12 mW (voltage mode) |
Cấu hình chân AD5412ACPZ-REEL7
| Chân 1 | AVDD — Analog power supply (10.8V to 40V) |
| Chân 2 | AVDD — Analog power supply |
| Chân 3 | IOUT — Current output |
| Chân 4 | VOUT — Voltage output |
| Chân 5 | AGND — Analog ground |
| Chân 6 | AGND — Analog ground |
| Chân 7 | REFIN/REFOUT — Reference input/output |
| Chân 8 | DVDD — Digital power supply (2.7V to 5.5V) |
| Chân 9 | DGND — Digital ground |
| Chân 10 | SCLK — Serial clock input |
| Chân 11 | SDIN — Serial data input |
| Chân 12 | SYNC — Frame synchronization input |
| Chân 13 | SDO — Serial data output |
| Chân 14 | CLEAR — Clear output to zero-scale |
| Chân 15 | FAULT — Fault indicator output |
| Chân 16 | VIO — Logic interface supply |
| Chân 17 | DVDD — Digital power supply |
| Chân 18 | DGND — Digital ground |
| Chân 19 | AVDD — Analog power supply |
| Chân 20 | AGND — Analog ground |
Ứng dụng tiêu biểu
AD5412ACPZ-REEL7 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho AD5412ACPZ-REEL7 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Higher resolution option available (vsAD5410ACPZ-REEL7)
- Pin-compatible upgrade path (vsAD5422ACPZ-REEL7)
- Cross-brand functional equivalent (vsDAC7760IPWPR)
Ghi chú thiết kế
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.
Thông tin tuân thủ
RoHS compliant per distributor listings. No AEC-Q100 qualification indicated for this part.
