AD5381BSTZ-5 - 40-Channel 12-Bit DAC | Analog Devices
MPN: AD5381BSTZ-5 ✓ فعالAD5381BSTZ-5 نمای کلی
A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. The AD5381BSTZ-5 is a multi-channel DAC, specifically a denseDAC, designed for systems requiring many precise analog outputs from a single IC. It belongs to the data acquisition product family, which includes ADCs, DACs, and analog front ends, and is essential in industrial control, automated test equipment, and instrumentation where multiple analog voltages must be generated accurately.
Key features include guaranteed monotonic INL error of ±1 LSB max, a 10 ppm/°C on-chip reference, rail-to-rail output amplifiers, and a power-down mode. The device operates over the industrial temperature range of -40°C to +85°C. The 100-lead LQFP package (14x14 mm) provides a compact footprint for high-channel-count designs. The AD5381BSTZ-5 is the 5V supply version; a 3V version (AD5381BSTZ-3) is also available.
Technically, the AD5381 uses a segmented architecture with an internal reference and output amplifiers, ensuring monotonicity and low INL. The channel monitor function allows external monitoring of any channel without disturbing the output, which is valuable for system diagnostics. The serial interface supports daisy-chaining for multiple devices, and the parallel interface allows high-speed updates. The power-down mode reduces current consumption to a low level, beneficial for power-sensitive applications.
Typical applications include industrial process control, automated test equipment (ATE), instrumentation, and multi-channel voltage biasing in optical modules. The 40-channel density and 12-bit resolution make it ideal for systems requiring many accurate analog outputs, such as setting bias voltages in MEMS or optical devices. The rail-to-rail output and single-supply operation simplify power supply design.
When designing with the AD5381BSTZ-5, ensure proper decoupling of the AVDD and DVDD supplies with 0.1µF and 10µF capacitors close to the pins. The reference output should be buffered if driving external loads. For serial mode, tie SER/PAR high and SPI/I2C low. Verify the interface timing against the datasheet to avoid data corruption.
جایگزین‌های drop-in برای AD5381BSTZ-5 — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای AD5381BSTZ-5 (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Internal Reference, Supply Voltage, Resolution, Operating Temperature Range, Power-On Reset.
AD5381BSTZ-5-REEL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
AD5381BSTZ-3
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←AD5381BST-5
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
AD5381BSTZ-5-REEL7
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
AD5381BSTZ-5-REEL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
AD5381BSTZ-5 حداکثر مقادیر مجاز و مشخصات الکتریکی
| Number of Channels | 40 |
| رزولوشن | 12 Bit |
| ولتاژ تغذیه | 5 V (single supply) |
| Data Interface | Serial, Parallel |
| نوع خروجی | Voltage - Buffered |
| INL Error | ±1 LSB max |
| Reference Type | Internal, External |
| Internal Reference | 1.25 V / 2.5 V, 10 ppm/°C |
| دمای کاری | -40°C to +85°C |
| بسته‌بندی / کیس | 100-LQFP (14x14 mm) |
| نوع نصب | Surface Mount |
| Packaging | Cut Tape (CT) |
| Output Amplifier | Rail-to-rail |
| Power-Down Mode | Yes |
| Channel Monitor | Yes (MON_OUT pin) |
پیکربندی پین AD5381BSTZ-5
| پین 1 | VOUT0 — Analog output channel 0 |
| پین 2 | VOUT1 — Analog output channel 1 |
| پین 3 | VOUT2 — Analog output channel 2 |
| پین 4 | VOUT3 — Analog output channel 3 |
| پین 5 | VOUT4 — Analog output channel 4 |
| پین 6 | VOUT5 — Analog output channel 5 |
| پین 7 | VOUT6 — Analog output channel 6 |
| پین 8 | VOUT7 — Analog output channel 7 |
| پین 9 | VOUT8 — Analog output channel 8 |
| پین 10 | VOUT9 — Analog output channel 9 |
| پین 11 | VOUT10 — Analog output channel 10 |
| پین 12 | VOUT11 — Analog output channel 11 |
| پین 13 | VOUT12 — Analog output channel 12 |
| پین 14 | VOUT13 — Analog output channel 13 |
| پین 15 | VOUT14 — Analog output channel 14 |
| پین 16 | VOUT15 — Analog output channel 15 |
| پین 17 | VOUT16 — Analog output channel 16 |
| پین 18 | VOUT17 — Analog output channel 17 |
| پین 19 | VOUT18 — Analog output channel 18 |
| پین 20 | VOUT19 — Analog output channel 19 |
| پین 21 | VOUT20 — Analog output channel 20 |
| پین 22 | VOUT21 — Analog output channel 21 |
| پین 23 | VOUT22 — Analog output channel 22 |
| پین 24 | VOUT23 — Analog output channel 23 |
| پین 25 | VOUT24 — Analog output channel 24 |
| پین 26 | VOUT25 — Analog output channel 25 |
| پین 27 | VOUT26 — Analog output channel 26 |
| پین 28 | VOUT27 — Analog output channel 27 |
| پین 29 | VOUT28 — Analog output channel 28 |
| پین 30 | VOUT29 — Analog output channel 29 |
| پین 31 | VOUT30 — Analog output channel 30 |
| پین 32 | VOUT31 — Analog output channel 31 |
| پین 33 | VOUT32 — Analog output channel 32 |
| پین 34 | VOUT33 — Analog output channel 33 |
| پین 35 | VOUT34 — Analog output channel 34 |
| پین 36 | VOUT35 — Analog output channel 35 |
| پین 37 | VOUT36 — Analog output channel 36 |
| پین 38 | VOUT37 — Analog output channel 37 |
| پین 39 | VOUT38 — Analog output channel 38 |
| پین 40 | VOUT39 — Analog output channel 39 |
| پین 41 | AVDD — Analog supply voltage |
| پین 42 | AGND — Analog ground |
| پین 43 | DVDD — Digital supply voltage |
| پین 44 | DGND — Digital ground |
| پین 45 | REFIN/REFOUT — Reference input/output |
| پین 46 | MON_OUT — Channel monitor output |
| پین 47 | SER/PAR — Serial/parallel interface select |
| پین 48 | SPI/I2C — SPI or I2C select (Pin 97) |
| پین 49 | SCLK — Serial clock input |
| پین 50 | SDIN — Serial data input |
| پین 51 | SYNC — Frame synchronization input |
| پین 52 | SDO — Serial data output |
| پین 53 | LDAC — Load DAC latch |
| پین 54 | CLR — Clear all DACs to zero-scale |
| پین 55 | PD — Power-down input |
| پین 56 | RESET — Reset to default state |
| پین 57 | A0-A9 — Address inputs for parallel mode |
| پین 58 | D0-D11 — Parallel data inputs |
| پین 59 | CS — Chip select |
| پین 60 | WR — Write strobe |
| پین 61 | RD — Read strobe |
| پین 62 | BUSY — Busy indicator |
| پین 63 | VLOGIC — Logic supply voltage |
| پین 64 | NC — No connect |
کاربردهای معمول
AD5381BSTZ-5 مناسب است برای 6 کاربردs: Industrial Process Control, Automated Test Equipment (ATE), Instrumentation, Optical Module Bias, Medical Instrumentation, Audio Test and Measurement.
Industrial Process Control
The AD5381BSTZ-5 provides 40 channels of 12-bit analog output for controlling valves, actuators, and setpoints in industrial process control systems. Its rail-to-rail output and single 5V supply simplify interfacing with industrial sensors and actuators. The channel monitor function allows real-time diagnostics of each output without disturbing the control loop. With an INL of ±1 LSB, it ensures precise setpoint accuracy, critical for maintaining process stability. The industrial temperature range (-40°C to +85°C) ensures reliable operation in harsh factory environments.
پیشنهادی
Automated Test Equipment (ATE)
In ATE, the AD5381BSTZ-5 generates multiple precision bias voltages and stimulus signals for testing DUTs. Its 40-channel density reduces board space and cost compared to using multiple lower-channel DACs. The serial interface supports daisy-chaining for even more channels, and the parallel interface enables high-speed updates for dynamic testing. The internal reference with 10 ppm/°C drift provides stable voltages over temperature, ensuring test repeatability. The power-down mode helps reduce heat in dense test systems.
پیشنهادی
Instrumentation
The AD5381BSTZ-5 is ideal for precision instrumentation requiring multiple analog outputs, such as calibrators, signal generators, and data acquisition systems. Its 12-bit resolution and low INL ensure accurate output voltages. The rail-to-rail output allows full-scale swings, maximizing dynamic range. The channel monitor function enables self-test and calibration routines. The compact 100-lead LQFP package fits space-constrained designs, and the single-supply operation simplifies power design.
پیشنهادی
Optical Module Bias
The AD5381BSTZ-5 provides multiple bias voltages for optical transceivers, such as MZM bias control and APD bias. Its 40 channels can individually set bias points for multiple optical components, reducing component count. The low drift internal reference ensures stable bias over temperature, critical for optical performance. The serial interface allows easy configuration from a microcontroller. The power-down mode reduces power consumption when channels are not in use.
پیشنهادی
Medical Instrumentation
In medical devices like patient monitors and diagnostic equipment, the AD5381BSTZ-5 generates precise analog voltages for sensor excitation and control. Its 40 channels can drive multiple transducers, and the rail-to-rail output ensures full-scale signals. The industrial temperature range covers medical environments. The channel monitor function aids in fault detection, enhancing patient safety. The low power consumption in power-down mode is beneficial for battery-operated devices.
پیشنهادی
Audio Test and Measurement
The AD5381BSTZ-5 can generate multiple DC bias voltages for audio test systems, such as setting operating points for amplifiers or attenuators. Its 12-bit resolution provides fine voltage steps, and the low noise output is suitable for audio applications. The serial interface allows easy integration with DSPs. The channel monitor function enables verification of output voltages during test. The compact package is ideal for portable test equipment.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای AD5381BSTZ-5 — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | AD5381BSTZ-5-REEL | AD5381BSTZ-3 | AD5381BST-5 |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Supply Voltage | 5V | 5V | 3V | 5V |
| Resolution | 12-bit | 12-bit | 12-bit | 12-bit |
| Number of Channels | 40 | 40 | 40 | 40 |
| INL Error | ±1 LSB max | ±1 LSB max | ±1 LSB max | ±1 LSB max |
| Internal Reference | 1.25V/2.5V, 10 ppm/°C | 1.25V/2.5V, 10 ppm/°C | 1.25V/2.5V, 10 ppm/°C | 1.25V/2.5V, 10 ppm/°C |
| Operating Temperature | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
تفاوت‌های کلیدی
- 40-channel density in a single package (در مقابلAD5381BSTZ-3)
- 5V single-supply operation (در مقابلAD5381BSTZ-3)
- On-chip channel monitor (در مقابلAD5381BSTZ-5-REEL)
یادداشت‌های طراحی
Decouple AVDD and DVDD with 0.1µF and 10µF capacitors placed as close to the pins as possible. Use separate analog and digital ground planes to minimize noise coupling. The AD5381 operates from a single 5V supply; ensure the supply is clean and stable to maintain DAC accuracy.
For the 100-lead LQFP package, ensure proper solder paste stencil design to avoid bridging. Use a thermal pad if available for heat dissipation. Route analog outputs away from digital traces to reduce crosstalk. Follow the layout guidelines in the AD5381 datasheet for optimal performance.
When using serial mode, tie SER/PAR high and SPI/I2C low (Pin 97). Ensure the interface timing meets the datasheet specifications to avoid data corruption. The internal reference output should be buffered if driving external loads. Do not exceed the absolute maximum ratings for supply voltage.
اطلاعات انطباق
The 'Z' suffix in AD5381BSTZ-5 indicates lead-free (RoHS compliant) per Analog Devices naming convention. REACH and conflict minerals status not specified in provided data.
