AD5381BSTZ-3 - 40-Channel 12-Bit DAC | Analog Devices
N.º de pieza: AD5381BSTZ-3 ✓ Activo| Cant. | Precio unitario | 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 Descripción general
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 directas para AD5381BSTZ-3 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con AD5381BSTZ-3 (mismo factor de forma y huella) — difiere en Supply Voltage, Resolution, Internal Reference, Settling Time, Number of Channels.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
AD5381BSTZ-5
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$15.9 / unidad
Ver hoja de datos →AD5371BSTZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
AD5372BSTZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$48 / unidad
Ver hoja de datos →AD5380BSTZ-3
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
AD5381BSTZ-3
✅ Sustitución directa✓ En stock
$46.83 / unidad
Ver hoja de datos →AD5381BSTZ-3 Valores máximos y características eléctricas
| Resolución | 12 bits |
| Number of Channels | 40 |
| Tensión de alimentación | 3 V single supply |
| Settling Time | 8 µs |
| Tipo de salida | Voltage - buffered |
| Output Amplifier | Rail-to-rail |
| Internal Reference | 1.25 V (default), programmable to 2.5 V |
| Reference Temperature Coefficient | 10 ppm/°C |
| Interfaz | Parallel, SPI, DSP, MICROWIRE |
| Encapsulado | 100-lead LQFP (14x14 mm) |
| Rango de temperatura de funcionamiento | -40°C to +85°C |
| Power-On Reset | Zero-scale or midscale |
| Channel Monitor | Yes (MON_OUT pin) |
| RoHS | Compliant |
| Tipo de montaje | Surface Mount |
Configuración de pines de AD5381BSTZ-3
| Pin 1 | VOUT0 — Analog output channel 0 |
| Pin 2 | VOUT1 — Analog output channel 1 |
| Pin 3 | VOUT2 — Analog output channel 2 |
| Pin 4 | VOUT3 — Analog output channel 3 |
| Pin 5 | VOUT4 — Analog output channel 4 |
| Pin 6 | VOUT5 — Analog output channel 5 |
| Pin 7 | VOUT6 — Analog output channel 6 |
| Pin 8 | VOUT7 — Analog output channel 7 |
| Pin 9 | VOUT8 — Analog output channel 8 |
| Pin 10 | VOUT9 — Analog output channel 9 |
| Pin 11 | VOUT10 — Analog output channel 10 |
| Pin 12 | VOUT11 — Analog output channel 11 |
| Pin 13 | VOUT12 — Analog output channel 12 |
| Pin 14 | VOUT13 — Analog output channel 13 |
| Pin 15 | VOUT14 — Analog output channel 14 |
| Pin 16 | VOUT15 — Analog output channel 15 |
| Pin 17 | VOUT16 — Analog output channel 16 |
| Pin 18 | VOUT17 — Analog output channel 17 |
| Pin 19 | VOUT18 — Analog output channel 18 |
| Pin 20 | VOUT19 — Analog output channel 19 |
| Pin 21 | VOUT20 — Analog output channel 20 |
| Pin 22 | VOUT21 — Analog output channel 21 |
| Pin 23 | VOUT22 — Analog output channel 22 |
| Pin 24 | VOUT23 — Analog output channel 23 |
| Pin 25 | VOUT24 — Analog output channel 24 |
| Pin 26 | VOUT25 — Analog output channel 25 |
| Pin 27 | VOUT26 — Analog output channel 26 |
| Pin 28 | VOUT27 — Analog output channel 27 |
| Pin 29 | VOUT28 — Analog output channel 28 |
| Pin 30 | VOUT29 — Analog output channel 29 |
| Pin 31 | VOUT30 — Analog output channel 30 |
| Pin 32 | VOUT31 — Analog output channel 31 |
| Pin 33 | VOUT32 — Analog output channel 32 |
| Pin 34 | VOUT33 — Analog output channel 33 |
| Pin 35 | VOUT34 — Analog output channel 34 |
| Pin 36 | VOUT35 — Analog output channel 35 |
| Pin 37 | VOUT36 — Analog output channel 36 |
| Pin 38 | VOUT37 — Analog output channel 37 |
| Pin 39 | VOUT38 — Analog output channel 38 |
| Pin 40 | VOUT39 — Analog output channel 39 |
| Pin 41 | AVDD — Analog power supply |
| Pin 42 | AVSS — Analog ground |
| Pin 43 | DVDD — Digital power supply |
| Pin 44 | DGND — Digital ground |
| Pin 45 | REFIN/REFOUT — Reference input/output |
| Pin 46 | MON_OUT — Channel monitor output |
| Pin 47 | SER/PAR — Serial/parallel interface select |
| Pin 48 | SPI/I2C — SPI or I2C select (pin 97) |
| Pin 49 | SCLK — Serial clock |
| Pin 50 | SDIN — Serial data input |
| Pin 51 | SYNC — Frame synchronization |
| Pin 52 | LDAC — Load DAC |
| Pin 53 | CLR — Clear |
| Pin 54 | RESET — Reset |
| Pin 55 | A0-A9 — Address inputs |
| Pin 56 | DB0-DB11 — Parallel data inputs |
| Pin 57 | CS — Chip select |
| Pin 58 | WR — Write |
| Pin 59 | RD — Read |
| Pin 60 | BUSY — Busy output |
Aplicaciones típicas
AD5381BSTZ-3 es adecuado para 6 aplicacións: 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
Resumen de productos recomendados
Datos de referencia de ingeniería para AD5381BSTZ-3 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- 40-channel density in a 100-lead LQFP (frente a AD5372BSTZ)
- 12-bit resolution with 8 µs settling time (frente a AD5371BSTZ)
- 3 V single-supply operation (frente a AD5381BSTZ-5)
Notas de diseño
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.
Información de cumplimiento
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
