AD5381BSTZ-5 - 40-Channel 12-Bit DAC | Analog Devices
MPN: AD5381BSTZ-5 ✓ نشطAD5381BSTZ-5 نظرة عامة
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.
بدائل مباشرة لـ AD5381BSTZ-5 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع AD5381BSTZ-5 (نفس عامل الشكل والبصمة) — يختلف في Internal Reference, Supply Voltage, Resolution, Operating Temperature Range, Power-On Reset.
AD5381BSTZ-5-REEL
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
AD5381BSTZ-3
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←AD5381BST-5
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
AD5381BSTZ-5-REEL7
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
AD5381BSTZ-5-REEL
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
AD5381BSTZ-5 الحدود القصوى والخصائص الكهربائية
| Number of Channels | 40 |
| الدقة | 12 Bit |
| جهد التغذية | 5 V (single supply) |
| Data Interface | Serial, Parallel |
| نوع الخرج | Voltage - Buffered |
| INL Error | ±1 LSB max |
| Reference Type | Internal, External |
| Internal Reference | 1.25 V / 2.5 V, 10 ppm/°C |
| درجة حرارة التشغيل | -40°C to +85°C |
| العلبة / الحالة | 100-LQFP (14x14 mm) |
| نوع التركيب | Surface Mount |
| Packaging | Cut Tape (CT) |
| Output Amplifier | Rail-to-rail |
| Power-Down Mode | Yes |
| Channel Monitor | Yes (MON_OUT pin) |
تكوين أطراف AD5381BSTZ-5
| دبوس 1 | VOUT0 — Analog output channel 0 |
| دبوس 2 | VOUT1 — Analog output channel 1 |
| دبوس 3 | VOUT2 — Analog output channel 2 |
| دبوس 4 | VOUT3 — Analog output channel 3 |
| دبوس 5 | VOUT4 — Analog output channel 4 |
| دبوس 6 | VOUT5 — Analog output channel 5 |
| دبوس 7 | VOUT6 — Analog output channel 6 |
| دبوس 8 | VOUT7 — Analog output channel 7 |
| دبوس 9 | VOUT8 — Analog output channel 8 |
| دبوس 10 | VOUT9 — Analog output channel 9 |
| دبوس 11 | VOUT10 — Analog output channel 10 |
| دبوس 12 | VOUT11 — Analog output channel 11 |
| دبوس 13 | VOUT12 — Analog output channel 12 |
| دبوس 14 | VOUT13 — Analog output channel 13 |
| دبوس 15 | VOUT14 — Analog output channel 14 |
| دبوس 16 | VOUT15 — Analog output channel 15 |
| دبوس 17 | VOUT16 — Analog output channel 16 |
| دبوس 18 | VOUT17 — Analog output channel 17 |
| دبوس 19 | VOUT18 — Analog output channel 18 |
| دبوس 20 | VOUT19 — Analog output channel 19 |
| دبوس 21 | VOUT20 — Analog output channel 20 |
| دبوس 22 | VOUT21 — Analog output channel 21 |
| دبوس 23 | VOUT22 — Analog output channel 22 |
| دبوس 24 | VOUT23 — Analog output channel 23 |
| دبوس 25 | VOUT24 — Analog output channel 24 |
| دبوس 26 | VOUT25 — Analog output channel 25 |
| دبوس 27 | VOUT26 — Analog output channel 26 |
| دبوس 28 | VOUT27 — Analog output channel 27 |
| دبوس 29 | VOUT28 — Analog output channel 28 |
| دبوس 30 | VOUT29 — Analog output channel 29 |
| دبوس 31 | VOUT30 — Analog output channel 30 |
| دبوس 32 | VOUT31 — Analog output channel 31 |
| دبوس 33 | VOUT32 — Analog output channel 32 |
| دبوس 34 | VOUT33 — Analog output channel 33 |
| دبوس 35 | VOUT34 — Analog output channel 34 |
| دبوس 36 | VOUT35 — Analog output channel 35 |
| دبوس 37 | VOUT36 — Analog output channel 36 |
| دبوس 38 | VOUT37 — Analog output channel 37 |
| دبوس 39 | VOUT38 — Analog output channel 38 |
| دبوس 40 | VOUT39 — Analog output channel 39 |
| دبوس 41 | AVDD — Analog supply voltage |
| دبوس 42 | AGND — Analog ground |
| دبوس 43 | DVDD — Digital supply voltage |
| دبوس 44 | DGND — Digital ground |
| دبوس 45 | REFIN/REFOUT — Reference input/output |
| دبوس 46 | MON_OUT — Channel monitor output |
| دبوس 47 | SER/PAR — Serial/parallel interface select |
| دبوس 48 | SPI/I2C — SPI or I2C select (Pin 97) |
| دبوس 49 | SCLK — Serial clock input |
| دبوس 50 | SDIN — Serial data input |
| دبوس 51 | SYNC — Frame synchronization input |
| دبوس 52 | SDO — Serial data output |
| دبوس 53 | LDAC — Load DAC latch |
| دبوس 54 | CLR — Clear all DACs to zero-scale |
| دبوس 55 | PD — Power-down input |
| دبوس 56 | RESET — Reset to default state |
| دبوس 57 | A0-A9 — Address inputs for parallel mode |
| دبوس 58 | D0-D11 — Parallel data inputs |
| دبوس 59 | CS — Chip select |
| دبوس 60 | WR — Write strobe |
| دبوس 61 | RD — Read strobe |
| دبوس 62 | BUSY — Busy indicator |
| دبوس 63 | VLOGIC — Logic supply voltage |
| دبوس 64 | NC — No connect |
التطبيقات النموذجية
AD5381BSTZ-5 مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ AD5381BSTZ-5 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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 |
أبرز الفروقات
- 40-channel density in a single package (مقابلAD5381BSTZ-3)
- 5V single-supply operation (مقابلAD5381BSTZ-3)
- On-chip channel monitor (مقابلAD5381BSTZ-5-REEL)
ملاحظات التصميم
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.
معلومات الامتثال
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.
