AD5381BSTZ-3 - 40-Channel 12-Bit DAC | Analog Devices
MPN: AD5381BSTZ-3 ✓ AktifAD5381BSTZ-3 Ringkasan
A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. In the hierarchy of signal processing, a DAC is a key element in the data converter family, which also includes analog-to-digital converters (ADCs). DACs are essential in systems where digital processing must interface with the analog world, such as in audio playback, motor control, and instrumentation. The AD5381 is a dense DAC, integrating 40 channels in a single package, which reduces board space and simplifies multi-channel systems.
Key features of the AD5381BSTZ-3 include 12-bit resolution, 40 independent output channels, a settling time of 8 µs, and a programmable internal reference with 10 ppm/°C drift. The device also offers a power-on reset to zero-scale or midscale, and a clear function to reset outputs. The rail-to-rail output amplifiers allow the outputs to swing close to the supply rails, maximizing dynamic range. The channel monitor function simplifies system diagnostics by allowing external monitoring of any channel.
Technically, the AD5381 uses a resistor-string architecture with an output buffer for each channel, ensuring monotonicity and low glitch. The device supports both serial and parallel interfaces, with the SER/PAR pin selecting the mode. In serial mode, the SPI/I2C pin (Pin 97) must be tied low for SPI-compatible operation. The internal reference can be programmed to 1.25 V or 2.5 V via the control register, but operating with 2.5 V reference degrades accuracy and limits input code range, as noted in the datasheet.
Typical applications include industrial process control, automated test equipment, multi-channel data acquisition systems, and precision instrumentation. The 40-channel density and 3 V operation make it ideal for systems requiring many analog outputs with minimal power consumption. The device's rail-to-rail outputs and programmable reference enhance flexibility in various voltage domains.
When designing with the AD5381BSTZ-3, ensure adequate decoupling on the AVDD and DVDD supplies, and consider the reference voltage selection carefully to meet accuracy requirements. The channel monitor function can be used for system-level calibration and fault detection.
Alternatif penggantian untuk AD5381BSTZ-3 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian AD5381BSTZ-3 (sama faktor bentuk dan footprint) — berbeda di dalam Supply Voltage, Resolution, Internal Reference, Settling Time, Number of Channels.
AD5381BSTZ-5
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →AD5371BSTZ
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
AD5372BSTZ
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →AD5380BSTZ-3
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
AD5381BSTZ-3
✅ Drop-InKontak untuk harga
Lihat Datasheet →AD5381BSTZ-3 Rating Maksimal & Karakteristik Listrik
| Resolusi | 12 bits |
| Number of Channels | 40 |
| Tegangan Pemuat | 3 V single supply |
| Settling Time | 8 µs |
| Tipe Output | Voltage - buffered |
| Output Amplifier | Rail-to-rail |
| Internal Reference | 1.25 V (default), programmable to 2.5 V |
| Reference Temperature Coefficient | 10 ppm/°C |
| Antarmuka | Parallel, SPI, DSP, MICROWIRE |
| Paket | 100-lead LQFP (14x14 mm) |
| Rentang Suhu Kerja | -40°C to +85°C |
| Power-On Reset | Zero-scale or midscale |
| Channel Monitor | Yes (MON_OUT pin) |
| RoHS | Compliant |
| Tipe Mounting | Surface Mount |
Konfigurasi Pin AD5381BSTZ-3
| Pin produk 1 | VOUT0 — Analog output channel 0 |
| Pin produk 2 | VOUT1 — Analog output channel 1 |
| Pin produk 3 | VOUT2 — Analog output channel 2 |
| Pin produk 4 | VOUT3 — Analog output channel 3 |
| Pin produk 5 | VOUT4 — Analog output channel 4 |
| Pin produk 6 | VOUT5 — Analog output channel 5 |
| Pin produk 7 | VOUT6 — Analog output channel 6 |
| Pin produk 8 | VOUT7 — Analog output channel 7 |
| Pin produk 9 | VOUT8 — Analog output channel 8 |
| Pin produk 10 | VOUT9 — Analog output channel 9 |
| Pin produk 11 | VOUT10 — Analog output channel 10 |
| Pin produk 12 | VOUT11 — Analog output channel 11 |
| Pin produk 13 | VOUT12 — Analog output channel 12 |
| Pin produk 14 | VOUT13 — Analog output channel 13 |
| Pin produk 15 | VOUT14 — Analog output channel 14 |
| Pin produk 16 | VOUT15 — Analog output channel 15 |
| Pin produk 17 | VOUT16 — Analog output channel 16 |
| Pin produk 18 | VOUT17 — Analog output channel 17 |
| Pin produk 19 | VOUT18 — Analog output channel 18 |
| Pin produk 20 | VOUT19 — Analog output channel 19 |
| Pin produk 21 | VOUT20 — Analog output channel 20 |
| Pin produk 22 | VOUT21 — Analog output channel 21 |
| Pin produk 23 | VOUT22 — Analog output channel 22 |
| Pin produk 24 | VOUT23 — Analog output channel 23 |
| Pin produk 25 | VOUT24 — Analog output channel 24 |
| Pin produk 26 | VOUT25 — Analog output channel 25 |
| Pin produk 27 | VOUT26 — Analog output channel 26 |
| Pin produk 28 | VOUT27 — Analog output channel 27 |
| Pin produk 29 | VOUT28 — Analog output channel 28 |
| Pin produk 30 | VOUT29 — Analog output channel 29 |
| Pin produk 31 | VOUT30 — Analog output channel 30 |
| Pin produk 32 | VOUT31 — Analog output channel 31 |
| Pin produk 33 | VOUT32 — Analog output channel 32 |
| Pin produk 34 | VOUT33 — Analog output channel 33 |
| Pin produk 35 | VOUT34 — Analog output channel 34 |
| Pin produk 36 | VOUT35 — Analog output channel 35 |
| Pin produk 37 | VOUT36 — Analog output channel 36 |
| Pin produk 38 | VOUT37 — Analog output channel 37 |
| Pin produk 39 | VOUT38 — Analog output channel 38 |
| Pin produk 40 | VOUT39 — Analog output channel 39 |
| Pin produk 41 | AVDD — Analog power supply |
| Pin produk 42 | AVSS — Analog ground |
| Pin produk 43 | DVDD — Digital power supply |
| Pin produk 44 | DGND — Digital ground |
| Pin produk 45 | REFIN/REFOUT — Reference input/output |
| Pin produk 46 | MON_OUT — Channel monitor output |
| Pin produk 47 | SER/PAR — Serial/parallel interface select |
| Pin produk 48 | SPI/I2C — SPI or I2C select (pin 97) |
| Pin produk 49 | SCLK — Serial clock |
| Pin produk 50 | SDIN — Serial data input |
| Pin produk 51 | SYNC — Frame synchronization |
| Pin produk 52 | LDAC — Load DAC |
| Pin produk 53 | CLR — Clear |
| Pin produk 54 | RESET — Reset |
| Pin produk 55 | A0-A9 — Address inputs |
| Pin produk 56 | DB0-DB11 — Parallel data inputs |
| Pin produk 57 | CS — Chip select |
| Pin produk 58 | WR — Write |
| Pin produk 59 | RD — Read |
| Pin produk 60 | BUSY — Busy output |
Aplikasi Umum
AD5381BSTZ-3 cocok untuk 6 aplikasis: Industrial Process Control, Automated Test Equipment (ATE), Multi-Channel Data Acquisition Systems, Precision Instrumentation, Medical Equipment, Audio Test and Measurement.
Industrial Process Control
The AD5381BSTZ-3 provides 40 independent 12-bit analog outputs for controlling valves, actuators, and setpoints in industrial automation. Its 3 V single-supply operation and rail-to-rail outputs allow direct interface with low-voltage control loops. The 8 µs settling time enables fast updates for real-time process adjustments. The channel monitor function simplifies system diagnostics by allowing external monitoring of any output. With a programmable internal reference, the device can be calibrated for various industrial signal ranges, making it ideal for PLCs and distributed control systems.
Direkomendasikan
Automated Test Equipment (ATE)
In ATE, the AD5381BSTZ-3 generates precise analog stimulus voltages for testing DUTs. Its 40 channels allow simultaneous stimulation of multiple pins, reducing test time. The 12-bit resolution and 8 µs settling time provide accurate and fast signal generation. The rail-to-rail outputs ensure full-scale voltage coverage. The channel monitor function enables real-time verification of output levels. The device's serial interface simplifies integration with FPGA-based test controllers. Its industrial temperature range ensures reliable operation in test environments.
Direkomendasikan
Multi-Channel Data Acquisition Systems
The AD5381BSTZ-3 is ideal for data acquisition systems requiring many analog outputs, such as waveform generators and programmable voltage sources. Its 40 channels provide high density, reducing board space. The 3 V supply is compatible with low-power systems. The internal reference with 10 ppm/°C drift ensures stable output over temperature. The channel monitor allows output verification. The device's parallel interface enables high-speed updates for dynamic waveforms. The rail-to-rail outputs maximize dynamic range for signal generation.
Direkomendasikan
Precision Instrumentation
In precision instruments like calibrators and signal generators, the AD5381BSTZ-3 provides accurate analog outputs. Its 12-bit resolution and low drift reference ensure high accuracy. The 40 channels allow multiple independent outputs for complex test setups. The rail-to-rail outputs provide wide voltage swings. The channel monitor function aids in calibration. The device's small LQFP package saves space in benchtop instruments. The industrial temperature range ensures stability in lab environments.
Direkomendasikan
Medical Equipment
The AD5381BSTZ-3 can be used in medical devices requiring multiple analog outputs, such as patient monitoring systems and diagnostic equipment. Its 3 V operation is suitable for battery-powered devices. The 40 channels allow control of multiple parameters. The rail-to-rail outputs interface with various actuators. The channel monitor function enables safety checks. The device's low power consumption extends battery life. The industrial temperature range covers medical environments.
Direkomendasikan
Audio Test and Measurement
The AD5381BSTZ-3 can generate multiple analog test signals for audio equipment testing. Its 40 channels allow simultaneous testing of multi-channel audio systems. The 12-bit resolution provides adequate signal fidelity for many test applications. The 8 µs settling time enables fast frequency sweeps. The rail-to-rail outputs drive audio inputs directly. The channel monitor function allows output verification. The device's serial interface simplifies integration with audio test software.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk AD5381BSTZ-3 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | AD5381BSTZ-5 | AD5371BSTZ | AD5372BSTZ | AD5380BSTZ-3 |
|---|---|---|---|---|---|
| Package | 100-lead LQFP (14x14 mm) | 100-lead LQFP (14x14 mm) | 100-lead LQFP (14x14 mm) | 100-lead LQFP (14x14 mm) | 100-lead LQFP (14x14 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 12 bits | 12 bits | 14 bits | 14 bits | 14 bits |
| Number of Channels | 40 | 40 | 40 | 32 | 40 |
| Supply Voltage | 3 V | 5 V | 3 V or 5 V | 3 V or 5 V | 3 V |
| Settling Time | 8 µs | 8 µs | 8 µs | 8 µs | 8 µs |
| Internal Reference | 1.25 V (default), programmable to 2.5 V | 1.25 V (default), programmable to 2.5 V | 1.25 V (default), programmable to 2.5 V | 1.25 V (default), programmable to 2.5 V | 1.25 V (default), programmable to 2.5 V |
| Interface | Parallel, SPI, DSP, MICROWIRE | Parallel, SPI, DSP, MICROWIRE | Parallel, SPI, DSP, MICROWIRE | Parallel, SPI, DSP, MICROWIRE | Parallel, SPI, DSP, MICROWIRE |
Diferensiator Kunci
- 40-channel density in a 100-lead LQFP (vsAD5372BSTZ)
- 12-bit resolution with 8 µs settling time (vsAD5371BSTZ)
- 3 V single-supply operation (vsAD5381BSTZ-5)
Catatan Desain
The AD5381BSTZ-3 requires a 3 V analog supply (AVDD) and a digital supply (DVDD). Ensure adequate decoupling with 0.1 µF and 10 µF capacitors close to the AVDD and DVDD pins. The reference pin (REFIN/REFOUT) should be decoupled with a 1 µF capacitor to ground. Proper power supply sequencing is recommended to avoid latch-up.
For optimal performance, place the AD5381BSTZ-3 on a PCB with a solid ground plane. Keep analog and digital grounds separate and connect them at a single point. Route analog output traces away from digital signals to minimize noise coupling. Use short, wide traces for power and ground to reduce inductance.
When using the serial interface, ensure the SER/PAR pin is tied high and the SPI/I2C pin (Pin 97) is tied low for SPI mode. Do not operate the device with a 2.5 V reference if you require full accuracy, as the datasheet warns of degraded accuracy and limited input code range. Always verify the reference voltage setting in the control register.
Informasi Konformitas
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
