AD5381BSTZ-3 - 40-Channel 12-Bit DAC | Analog Devices
N.º da peça: AD5381BSTZ-3 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $61.31 | $61,31 |
| 10 | $57.69 | $576,90 |
| 100 | $54.07 | $5.407,00 |
| 500 | $50.45 | $25.225,00 |
| 1.000 | $46.83 | $46.830,00 |
AD5381BSTZ-3 Visão geral
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.
Alternativas drop-in para AD5381BSTZ-3 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com AD5381BSTZ-3 (mesmo formato e footprint) — diferindo em Supply Voltage, Resolution, Internal Reference, Settling Time, Number of Channels.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
AD5381BSTZ-5
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$15.9 / unidade
Ver ficha técnica →AD5371BSTZ
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
AD5372BSTZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$48 / unidade
Ver ficha técnica →AD5380BSTZ-3
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
AD5381BSTZ-3
✅ Drop-In✓ Em estoque
$46.83 / unidade
Ver ficha técnica →AD5381BSTZ-3 Classificações máximas e características elétricas
| Resolução | 12 bits |
| Number of Channels | 40 |
| Tensão de alimentação | 3 V single supply |
| Settling Time | 8 µs |
| Tipo de saída | Voltage - buffered |
| Output Amplifier | Rail-to-rail |
| Internal Reference | 1.25 V (default), programmable to 2.5 V |
| Reference Temperature Coefficient | 10 ppm/°C |
| Interface | Parallel, SPI, DSP, MICROWIRE |
| Encapsulamento | 100-lead LQFP (14x14 mm) |
| Faixa de temperatura de operação | -40°C to +85°C |
| Power-On Reset | Zero-scale or midscale |
| Channel Monitor | Yes (MON_OUT pin) |
| RoHS | Compliant |
| Tipo de montagem | Surface Mount |
Configuração de pinos do AD5381BSTZ-3
| Pino 1 | VOUT0 — Analog output channel 0 |
| Pino 2 | VOUT1 — Analog output channel 1 |
| Pino 3 | VOUT2 — Analog output channel 2 |
| Pino 4 | VOUT3 — Analog output channel 3 |
| Pino 5 | VOUT4 — Analog output channel 4 |
| Pino 6 | VOUT5 — Analog output channel 5 |
| Pino 7 | VOUT6 — Analog output channel 6 |
| Pino 8 | VOUT7 — Analog output channel 7 |
| Pino 9 | VOUT8 — Analog output channel 8 |
| Pino 10 | VOUT9 — Analog output channel 9 |
| Pino 11 | VOUT10 — Analog output channel 10 |
| Pino 12 | VOUT11 — Analog output channel 11 |
| Pino 13 | VOUT12 — Analog output channel 12 |
| Pino 14 | VOUT13 — Analog output channel 13 |
| Pino 15 | VOUT14 — Analog output channel 14 |
| Pino 16 | VOUT15 — Analog output channel 15 |
| Pino 17 | VOUT16 — Analog output channel 16 |
| Pino 18 | VOUT17 — Analog output channel 17 |
| Pino 19 | VOUT18 — Analog output channel 18 |
| Pino 20 | VOUT19 — Analog output channel 19 |
| Pino 21 | VOUT20 — Analog output channel 20 |
| Pino 22 | VOUT21 — Analog output channel 21 |
| Pino 23 | VOUT22 — Analog output channel 22 |
| Pino 24 | VOUT23 — Analog output channel 23 |
| Pino 25 | VOUT24 — Analog output channel 24 |
| Pino 26 | VOUT25 — Analog output channel 25 |
| Pino 27 | VOUT26 — Analog output channel 26 |
| Pino 28 | VOUT27 — Analog output channel 27 |
| Pino 29 | VOUT28 — Analog output channel 28 |
| Pino 30 | VOUT29 — Analog output channel 29 |
| Pino 31 | VOUT30 — Analog output channel 30 |
| Pino 32 | VOUT31 — Analog output channel 31 |
| Pino 33 | VOUT32 — Analog output channel 32 |
| Pino 34 | VOUT33 — Analog output channel 33 |
| Pino 35 | VOUT34 — Analog output channel 34 |
| Pino 36 | VOUT35 — Analog output channel 35 |
| Pino 37 | VOUT36 — Analog output channel 36 |
| Pino 38 | VOUT37 — Analog output channel 37 |
| Pino 39 | VOUT38 — Analog output channel 38 |
| Pino 40 | VOUT39 — Analog output channel 39 |
| Pino 41 | AVDD — Analog power supply |
| Pino 42 | AVSS — Analog ground |
| Pino 43 | DVDD — Digital power supply |
| Pino 44 | DGND — Digital ground |
| Pino 45 | REFIN/REFOUT — Reference input/output |
| Pino 46 | MON_OUT — Channel monitor output |
| Pino 47 | SER/PAR — Serial/parallel interface select |
| Pino 48 | SPI/I2C — SPI or I2C select (pin 97) |
| Pino 49 | SCLK — Serial clock |
| Pino 50 | SDIN — Serial data input |
| Pino 51 | SYNC — Frame synchronization |
| Pino 52 | LDAC — Load DAC |
| Pino 53 | CLR — Clear |
| Pino 54 | RESET — Reset |
| Pino 55 | A0-A9 — Address inputs |
| Pino 56 | DB0-DB11 — Parallel data inputs |
| Pino 57 | CS — Chip select |
| Pino 58 | WR — Write |
| Pino 59 | RD — Read |
| Pino 60 | BUSY — Busy output |
Aplicações típicas
AD5381BSTZ-3 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para AD5381BSTZ-3 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 40-channel density in a 100-lead LQFP (vs AD5372BSTZ)
- 12-bit resolution with 8 µs settling time (vs AD5371BSTZ)
- 3 V single-supply operation (vs AD5381BSTZ-5)
Notas de projeto
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.
Informações de conformidade
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
