AD5381BSTZ-5 - 40-Channel 12-Bit DAC | Analog Devices
料号： AD5381BSTZ-5 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： AD5381BSTZ-5 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： AD5381BSTZ-5 （相同外形与封装尺寸） ——差异在于 Internal Reference, Supply Voltage, Resolution, Operating Temperature Range, Power-On Reset.
快速对比工具——选择替代料号进行并排对比：
AD5381BSTZ-5-REEL
✅ 直接替换📋 参考替代料（不在目录中）
AD5381BSTZ-3
✅ 直接替换✓ 有现货
$46.83 / 个
查看数据手册 →AD5381BST-5
✅ 直接替换📋 参考替代料（不在目录中）
AD5381BSTZ-5-REEL7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
AD5381BSTZ-5-REEL
✅ 直接替换📋 参考替代料（不在目录中）
AD5381BSTZ-5 最大额定值与电气特性
| Number of Channels | 40 |
| 分辨率 | 12 Bit |
| 电源电压 | 5 V (single supply) |
| Data Interface | Serial, Parallel |
| 输出类型 | Voltage - Buffered |
| INL Error | ±1 LSB max |
| Reference Type | Internal, External |
| Internal Reference | 1.25 V / 2.5 V, 10 ppm/°C |
| 工作温度 | -40°C to +85°C |
| 封装 / 外壳 | 100-LQFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Packaging | Cut Tape (CT) |
| Output Amplifier | Rail-to-rail |
| Power-Down Mode | Yes |
| Channel Monitor | Yes (MON_OUT pin) |
AD5381BSTZ-5 引脚配置
| 引脚 1 | VOUT0 — Analog output channel 0 |
| 引脚 2 | VOUT1 — Analog output channel 1 |
| 引脚 3 | VOUT2 — Analog output channel 2 |
| 引脚 4 | VOUT3 — Analog output channel 3 |
| 引脚 5 | VOUT4 — Analog output channel 4 |
| 引脚 6 | VOUT5 — Analog output channel 5 |
| 引脚 7 | VOUT6 — Analog output channel 6 |
| 引脚 8 | VOUT7 — Analog output channel 7 |
| 引脚 9 | VOUT8 — Analog output channel 8 |
| 引脚 10 | VOUT9 — Analog output channel 9 |
| 引脚 11 | VOUT10 — Analog output channel 10 |
| 引脚 12 | VOUT11 — Analog output channel 11 |
| 引脚 13 | VOUT12 — Analog output channel 12 |
| 引脚 14 | VOUT13 — Analog output channel 13 |
| 引脚 15 | VOUT14 — Analog output channel 14 |
| 引脚 16 | VOUT15 — Analog output channel 15 |
| 引脚 17 | VOUT16 — Analog output channel 16 |
| 引脚 18 | VOUT17 — Analog output channel 17 |
| 引脚 19 | VOUT18 — Analog output channel 18 |
| 引脚 20 | VOUT19 — Analog output channel 19 |
| 引脚 21 | VOUT20 — Analog output channel 20 |
| 引脚 22 | VOUT21 — Analog output channel 21 |
| 引脚 23 | VOUT22 — Analog output channel 22 |
| 引脚 24 | VOUT23 — Analog output channel 23 |
| 引脚 25 | VOUT24 — Analog output channel 24 |
| 引脚 26 | VOUT25 — Analog output channel 25 |
| 引脚 27 | VOUT26 — Analog output channel 26 |
| 引脚 28 | VOUT27 — Analog output channel 27 |
| 引脚 29 | VOUT28 — Analog output channel 28 |
| 引脚 30 | VOUT29 — Analog output channel 29 |
| 引脚 31 | VOUT30 — Analog output channel 30 |
| 引脚 32 | VOUT31 — Analog output channel 31 |
| 引脚 33 | VOUT32 — Analog output channel 32 |
| 引脚 34 | VOUT33 — Analog output channel 33 |
| 引脚 35 | VOUT34 — Analog output channel 34 |
| 引脚 36 | VOUT35 — Analog output channel 35 |
| 引脚 37 | VOUT36 — Analog output channel 36 |
| 引脚 38 | VOUT37 — Analog output channel 37 |
| 引脚 39 | VOUT38 — Analog output channel 38 |
| 引脚 40 | VOUT39 — Analog output channel 39 |
| 引脚 41 | AVDD — Analog supply voltage |
| 引脚 42 | AGND — Analog ground |
| 引脚 43 | DVDD — Digital supply voltage |
| 引脚 44 | DGND — Digital ground |
| 引脚 45 | REFIN/REFOUT — Reference input/output |
| 引脚 46 | MON_OUT — Channel monitor output |
| 引脚 47 | SER/PAR — Serial/parallel interface select |
| 引脚 48 | SPI/I2C — SPI or I2C select (Pin 97) |
| 引脚 49 | SCLK — Serial clock input |
| 引脚 50 | SDIN — Serial data input |
| 引脚 51 | SYNC — Frame synchronization input |
| 引脚 52 | SDO — Serial data output |
| 引脚 53 | LDAC — Load DAC latch |
| 引脚 54 | CLR — Clear all DACs to zero-scale |
| 引脚 55 | PD — Power-down input |
| 引脚 56 | RESET — Reset to default state |
| 引脚 57 | A0-A9 — Address inputs for parallel mode |
| 引脚 58 | D0-D11 — Parallel data inputs |
| 引脚 59 | CS — Chip select |
| 引脚 60 | WR — Write strobe |
| 引脚 61 | RD — Read strobe |
| 引脚 62 | BUSY — Busy indicator |
| 引脚 63 | VLOGIC — Logic supply voltage |
| 引脚 64 | NC — No connect |
典型应用
AD5381BSTZ-5 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： AD5381BSTZ-5 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- 40-channel density in a single package （对比 AD5381BSTZ-3)
- 5V single-supply operation （对比 AD5381BSTZ-3)
- On-chip channel monitor （对比 AD5381BSTZ-5-REEL)
设计说明
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.
合规信息
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.
