AD570SD/883B - 8-Bit ADC, 25us, MIL-STD-883B | Analog Devices
MPN: AD570SD/883B ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40 | $400.00 |
| 100 | $35 | $3,500.00 |
| 500 | $30 | $15,000.00 |
| 1,000 | $25 | $25,000.00 |
Drop-in alternatives for AD570SD/883B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD570SD
✅ Drop-In📋 Reference alternative (not in catalog)
AD570JD
✅ Drop-In📋 Reference alternative (not in catalog)
AD570KD
✅ Drop-In📋 Reference alternative (not in catalog)
AD570TD
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AD570SD/883B
✅ Drop-In✓ In Stock
$25 / Unit
View Datasheet →AD570SD/883B Maximum Ratings & Electrical Characteristics
| Resolution | 8 bits |
| Conversion Time | 25 us |
| Input Voltage Range | -5 V to +5 V |
| Supply Voltage (Positive) | +5 V |
| Supply Voltage (Negative) | -15 V (also -12 V) |
| Operating Temperature Range | -55°C to +125°C |
| Package Type | 18-pin Side-Brazed Ceramic DIP (SBDIP) |
| Screening Level | MIL-STD-883B Class B |
| Output Interface | Parallel, 8-bit |
| Architecture | Successive Approximation |
| Number of Channels | 1 |
| Input Type | Bipolar |
| Relative Accuracy | [DATA_NEEDED: Relative accuracy] |
| Differential Nonlinearity | [DATA_NEEDED: DNL] |
| Power Dissipation | [DATA_NEEDED: Power dissipation] |
AD570SD/883B Pin Configuration
| Pin 1 | VLOGIC — Logic supply voltage |
| Pin 2 | D0 — Digital output bit 0 (LSB) |
| Pin 3 | D1 — Digital output bit 1 |
| Pin 4 | D2 — Digital output bit 2 |
| Pin 5 | D3 — Digital output bit 3 |
| Pin 6 | D4 — Digital output bit 4 |
| Pin 7 | D5 — Digital output bit 5 |
| Pin 8 | D6 — Digital output bit 6 |
| Pin 9 | D7 — Digital output bit 7 (MSB) |
| Pin 10 | GND — Ground |
| Pin 11 | VEE — Negative supply (-15V) |
| Pin 12 | VCC — Positive supply (+5V) |
| Pin 13 | BIP OFF — Bipolar offset adjustment |
| Pin 14 | ANALOG IN — Analog input |
| Pin 15 | BIP OFF — Bipolar offset adjustment |
| Pin 16 | CONVERT — Convert start input |
| Pin 17 | STATUS — Conversion status output |
| Pin 18 | VLOGIC — Logic supply voltage |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD570SD/883B is suitable for 6 applications: Military Avionics, Industrial Process Control, Data Acquisition Systems, Test and Measurement Equipment, Medical Monitoring, Aerospace Telemetry.
Military Avionics
The AD570SD/883B is ideal for military avionics systems due to its MIL-STD-883B qualification and wide operating temperature range of -55°C to +125°C. Its 8-bit resolution and 25us conversion time are sufficient for flight control monitoring and sensor data acquisition. The device's parallel interface simplifies integration with mission computers, and its bipolar input range allows direct connection to analog sensors. The rugged ceramic package ensures reliability under vibration and thermal stress, making it a trusted choice for legacy avionics upgrades.
Recommended
Industrial Process Control
In industrial process control, the AD570SD/883B provides reliable 8-bit analog-to-digital conversion for monitoring temperature, pressure, and flow. Its 25us conversion time enables real-time control loops, while the bipolar input range accommodates both positive and negative sensor signals. The device operates from standard -15V and +5V supplies, simplifying power design. The wide temperature range and ceramic package make it suitable for harsh factory environments. Its parallel output interface connects directly to microcontrollers or PLCs, reducing system complexity.
Recommended
Data Acquisition Systems
The AD570SD/883B is well-suited for data acquisition systems requiring moderate-speed, 8-bit resolution. Its integrated clock and reference eliminate the need for external components, simplifying board design. The device's 25us conversion time allows sampling rates up to 40 kSPS, adequate for many industrial and scientific applications. The parallel output interface enables easy interfacing with DSPs and microprocessors. The military-grade screening ensures long-term reliability in critical data logging applications.
Recommended
Test and Measurement Equipment
For test and measurement equipment, the AD570SD/883B offers a balance of speed and resolution. Its 25us conversion time supports accurate waveform digitization, while the 8-bit resolution is sufficient for many instrumentation applications. The device's bipolar input range allows direct measurement of positive and negative voltages without external conditioning. The parallel interface simplifies connection to display and processing circuits. The wide temperature range and rugged package make it suitable for portable and benchtop instruments used in field environments.
Recommended
Medical Monitoring
In medical monitoring, the AD570SD/883B provides reliable conversion of physiological signals such as ECG and temperature. Its 8-bit resolution is adequate for many monitoring applications, and the 25us conversion time supports real-time data acquisition. The device's bipolar input range allows direct connection to sensor outputs. The military-grade reliability ensures consistent performance in critical care environments. The compact SBDIP package fits into space-constrained medical devices, and the wide temperature range accommodates various operating conditions.
Recommended
Aerospace Telemetry
The AD570SD/883B is used in aerospace telemetry systems for converting analog sensor data into digital format for transmission. Its 25us conversion time enables high-speed data acquisition, while the 8-bit resolution is sufficient for many telemetry channels. The device's MIL-STD-883B qualification ensures reliability in space and high-altitude environments. The bipolar input range accommodates various sensor outputs, and the parallel interface simplifies data formatting. The wide temperature range and ceramic package withstand extreme conditions.
Recommended
Recommended Products Summary
Engineering reference data for AD570SD/883B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD570SD | AD570JD | AD570KD | AD570TD |
|---|---|---|---|---|---|
| Package | 18-pin SBDIP | 18-pin SBDIP | 18-pin SBDIP | 18-pin SBDIP | 18-pin SBDIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Resolution | 8 bits | 8 bits | 8 bits | 8 bits | 8 bits |
| Conversion Time | 25 us | 25 us | 25 us | 25 us | 25 us |
| Operating Temperature | -55°C to +125°C | -55°C to +125°C | 0°C to +70°C | -25°C to +85°C | -55°C to +125°C |
| Screening Level | MIL-STD-883B | None | None | None | None |
| Input Voltage Range | -5V to +5V | -5V to +5V | -5V to +5V | -5V to +5V | -5V to +5V |
| Supply Voltage | +5V, -15V | +5V, -15V | +5V, -15V | +5V, -15V | +5V, -15V |
Key Differentiators
- MIL-STD-883B qualification (vs AD570SD)
- Wide operating temperature range (vs AD570JD)
- Integrated clock and reference (vs AD570SD)
Design Notes
The AD570SD/883B requires dual supplies: +5V and -15V (or -12V). Ensure adequate decoupling with 0.1uF ceramic capacitors close to the VCC and VEE pins. The -15V supply should be clean and stable, as it powers the internal reference and comparator. A low-impedance ground plane is essential to minimize noise coupling into the analog input.
For optimal performance, keep the analog input trace short and shielded from digital signals. Use a ground plane under the device to reduce noise. The CONVERT and STATUS pins should be routed away from the analog input to prevent digital switching noise from coupling. Consider adding a series resistor on the analog input for overvoltage protection.
Do not exceed the absolute maximum ratings for supply voltages. The analog input should be within -5V to +5V to avoid damage. Ensure the CONVERT pulse meets the minimum width specified in the datasheet. The STATUS output indicates conversion completion; wait for it to go low before reading data. Incorrect timing can result in invalid data.
Compliance Information
This is a military-grade component, likely leaded and not RoHS compliant. Compliance data not provided in the verified sources.
