AD5381BSTZ-5 - 40-Channel 12-Bit DAC | Analog Devices
N.º da peça: AD5381BSTZ-5 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $24.5 | $24,50 |
| 10 | $22.1 | $221,00 |
| 100 | $19.8 | $1.980,00 |
| 500 | $17.6 | $8.800,00 |
| 1.000 | $15.9 | $15.900,00 |
AD5381BSTZ-5 Visão geral
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.
Alternativas drop-in para AD5381BSTZ-5 — 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-5 (mesmo formato e footprint) — diferindo em Internal Reference, Supply Voltage, Resolution, Operating Temperature Range, Power-On Reset.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
AD5381BSTZ-5-REEL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AD5381BSTZ-3
✅ Drop-In✓ Em estoque
$46.83 / unidade
Ver ficha técnica →AD5381BST-5
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AD5381BSTZ-5-REEL7
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
AD5381BSTZ-5-REEL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
AD5381BSTZ-5 Classificações máximas e características elétricas
| Number of Channels | 40 |
| Resolução | 12 Bit |
| Tensão de alimentação | 5 V (single supply) |
| Data Interface | Serial, Parallel |
| Tipo de saída | Voltage - Buffered |
| INL Error | ±1 LSB max |
| Reference Type | Internal, External |
| Internal Reference | 1.25 V / 2.5 V, 10 ppm/°C |
| Temperatura de operação | -40°C to +85°C |
| Encapsulamento / Caixa | 100-LQFP (14x14 mm) |
| Tipo de montagem | Surface Mount |
| Packaging | Cut Tape (CT) |
| Output Amplifier | Rail-to-rail |
| Power-Down Mode | Yes |
| Channel Monitor | Yes (MON_OUT pin) |
Configuração de pinos do AD5381BSTZ-5
| 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 supply voltage |
| Pino 42 | AGND — Analog ground |
| Pino 43 | DVDD — Digital supply voltage |
| 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 input |
| Pino 50 | SDIN — Serial data input |
| Pino 51 | SYNC — Frame synchronization input |
| Pino 52 | SDO — Serial data output |
| Pino 53 | LDAC — Load DAC latch |
| Pino 54 | CLR — Clear all DACs to zero-scale |
| Pino 55 | PD — Power-down input |
| Pino 56 | RESET — Reset to default state |
| Pino 57 | A0-A9 — Address inputs for parallel mode |
| Pino 58 | D0-D11 — Parallel data inputs |
| Pino 59 | CS — Chip select |
| Pino 60 | WR — Write strobe |
| Pino 61 | RD — Read strobe |
| Pino 62 | BUSY — Busy indicator |
| Pino 63 | VLOGIC — Logic supply voltage |
| Pino 64 | NC — No connect |
Aplicações típicas
AD5381BSTZ-5 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para AD5381BSTZ-5 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 40-channel density in a single package (vs AD5381BSTZ-3)
- 5V single-supply operation (vs AD5381BSTZ-3)
- On-chip channel monitor (vs AD5381BSTZ-5-REEL)
Notas de projeto
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.
Informações de conformidade
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.
