AD567SD/883B - 12-Bit DAC, 28-CDIP | Analog Devices
MPN: AD567SD/883B ✓ نشطAD567SD/883B نظرة عامة
A digital-to-analog converter (DAC) is an electronic component that converts digital binary data into an analog voltage or current. The AD567SD/883B is a voltage-output DAC that uses 12 precision high-speed bipolar current-steering switches and a laser-trimmed thin-film resistor network to achieve high accuracy and fast settling. It is part of the AD567 family of DACs, which are known for their reliability and performance in industrial and military environments.
Key features of the AD567SD/883B include a 12-bit resolution, a buried zener reference for low drift, a double-buffered input latch for microprocessor compatibility, and a settling time of 500 ns. The device operates from a +5V and -5V supply, with a full-scale output range of 0V to +10V. It also features a power-on reset that clears the output to zero scale, ensuring predictable startup behavior.
The AD567SD/883B is designed for high-reliability applications, with a ceramic package that provides excellent thermal and mechanical stability. The device is fully specified over the military temperature range of -55°C to +125°C, making it suitable for avionics, defense systems, and other harsh environments. Its double-buffered input allows for simultaneous update of multiple DACs, which is critical in multi-channel systems.
Typical applications include precision instrumentation, automatic test equipment, military radar systems, and industrial process control. The device's fast settling time and high accuracy make it ideal for waveform generation and closed-loop control systems.
When designing with the AD567SD/883B, ensure proper decoupling of the power supplies and a clean analog ground plane to minimize noise. The reference output should be buffered if driving external loads. The device is a mature product and may be subject to obsolescence; verify availability before new designs.
بدائل مباشرة لـ AD567SD/883B — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
AD567TD/883B
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
AD567SD
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
AD567TD
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
AD567SD/883B الحدود القصوى والخصائص الكهربائية
| الدقة | 12 bits |
| Number of Channels | 1 |
| Settling Time | 500 ns (typ) |
| نوع الخرج | Voltage |
| Output Range | 0 V to +10 V |
| Reference Type | Internal, Buried Zener |
| Supply Voltage (Positive) | +5 V |
| Supply Voltage (Negative) | -5 V |
| نطاق درجة حرارة التشغيل | -55°C to +125°C |
| العلبة | 28-CDIP |
| نوع التركيب | Through Hole |
| الواجهة | Parallel |
| Input Latch | Double Buffered |
| MIL-STD-883 | Class B |
| حالة RoHS | Non-compliant (lead-based) |
تكوين أطراف AD567SD/883B
| دبوس 1 | VREF — Reference voltage output |
| دبوس 2 | AGND — Analog ground |
| دبوس 3 | VOUT — Analog output voltage |
| دبوس 4 | VEE — Negative supply (-5V) |
| دبوس 5 | VCC — Positive supply (+5V) |
| دبوس 6 | DGND — Digital ground |
| دبوس 7 | DB0 — Data bit 0 (LSB) |
| دبوس 8 | DB1 — Data bit 1 |
| دبوس 9 | DB2 — Data bit 2 |
| دبوس 10 | DB3 — Data bit 3 |
| دبوس 11 | DB4 — Data bit 4 |
| دبوس 12 | DB5 — Data bit 5 |
| دبوس 13 | DB6 — Data bit 6 |
| دبوس 14 | DB7 — Data bit 7 |
| دبوس 15 | DB8 — Data bit 8 |
| دبوس 16 | DB9 — Data bit 9 |
| دبوس 17 | DB10 — Data bit 10 |
| دبوس 18 | DB11 — Data bit 11 (MSB) |
| دبوس 19 | CS — Chip select (active low) |
| دبوس 20 | WR — Write strobe (active low) |
| دبوس 21 | LDAC — Load DAC (active low) |
| دبوس 22 | CLR — Clear (active low) |
| دبوس 23 | A0 — Address bit 0 |
| دبوس 24 | A1 — Address bit 1 |
| دبوس 25 | A2 — Address bit 2 |
| دبوس 26 | NC — No connect |
| دبوس 27 | NC — No connect |
| دبوس 28 | VREF — Reference voltage input |
التطبيقات النموذجية
AD567SD/883B مناسب لـ 6 التطبيقs: Military Avionics, Automatic Test Equipment, Industrial Process Control, Precision Instrumentation, Radar Systems, Aerospace Telemetry.
Military Avionics
The AD567SD/883B is ideal for military avionics due to its MIL-STD-883 Class B qualification and wide operating temperature range of -55°C to +125°C. Its 12-bit resolution and 500 ns settling time enable precise control of flight surfaces and navigation systems. The ceramic package ensures reliability under extreme vibration and thermal cycling, making it a trusted choice for defense platforms.
موصى به
Automatic Test Equipment
In automatic test equipment (ATE), the AD567SD/883B provides fast, accurate analog outputs for stimulus generation. Its 500 ns settling time allows high-throughput testing of devices under test, while the double-buffered input enables synchronized updates across multiple channels. The device's stability over temperature ensures consistent test results in production environments.
موصى به
Industrial Process Control
The AD567SD/883B is well-suited for industrial process control, where precise analog outputs are required for valve positioning, motor speed control, and setpoint generation. Its 12-bit resolution provides fine granularity, and the fast settling time enables real-time adjustments. The device's robust construction and wide temperature range make it reliable in factory floor environments.
موصى به
Precision Instrumentation
For precision instrumentation such as calibrators and signal generators, the AD567SD/883B offers high accuracy and low drift. The internal buried zener reference ensures stable output over time and temperature, while the 12-bit resolution allows fine voltage steps. Its parallel interface simplifies integration with microprocessors and DSPs.
موصى به
Radar Systems
In radar systems, the AD567SD/883B is used for beam steering and waveform generation. Its fast settling time (500 ns) enables rapid frequency hopping, and the double-buffered input allows for coherent updates across multiple DACs. The military-grade qualification ensures reliable operation in harsh environments.
موصى به
Aerospace Telemetry
The AD567SD/883B is used in aerospace telemetry for converting digital commands to analog signals for actuators and sensors. Its wide temperature range and ceramic package make it suitable for space and high-altitude applications. The device's reliability is critical for mission success.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ AD567SD/883B — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | AD567TD/883B | AD567SD | AD567JD |
|---|---|---|---|---|
| Package | 28-CDIP | 28-CDIP | 28-CDIP | 28-PDIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 12 bits | 12 bits | 12 bits | 12 bits |
| Settling Time | 500 ns | 500 ns | 500 ns | 500 ns |
| Output Range | 0V to +10V | 0V to +10V | 0V to +10V | 0V to +10V |
| Temperature Range | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | 0°C to +70°C |
| MIL-STD-883 | Class B | Class B | No | No |
| RoHS | Non-compliant | Non-compliant | Non-compliant | Non-compliant |
أبرز الفروقات
- MIL-STD-883 Class B qualification (مقابلAD567SD)
- Ceramic package for harsh environments (مقابلAD567JD)
- Wide temperature range (مقابلAD567JD)
ملاحظات التصميم
The AD567SD/883B requires dual supplies of +5V and -5V. Use low-impedance decoupling capacitors (e.g., 0.1uF ceramic) close to the VCC and VEE pins to minimize noise. A 10uF tantalum capacitor on each supply is recommended for bulk decoupling.
For optimal performance, use a solid analog ground plane and separate digital ground plane, connecting them at a single point. Keep analog traces away from digital lines to reduce coupling. The output VOUT should be routed with minimal length to avoid parasitic capacitance.
Ensure the reference output is not loaded excessively; buffer it if driving external loads. The CLR pin is active low and should be tied high if not used. Also, verify that the digital input levels are compatible with your logic family; the device accepts TTL levels.
معلومات الامتثال
Military-grade ceramic package uses lead-based solder; not RoHS compliant.
