Overview
The AD9002SD/883B is a high-speed, 8-bit monolithic analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is fabricated using an advanced bipolar process, enabling it to operate at sampling rates exceeding 150 million samples per second (MSPS). It features 256 parallel comparator stages and an innovative comparator design that ensures a wide analog input bandwidth of 160 MHz, making it suitable for high-speed applications without the need for an external track-and-hold circuit. The AD9002SD/883B is compliant with MIL-STD-883 Class B and is available in a ceramic DIP package, supporting a military temperature range of –55°C to +125°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 8 | 8 | 8 | Bits |
| Differential Linearity (25°C) | 0.6 | 0.75 | 1.0 | LSB |
| Integral Linearity (25°C) | 0.6 | 1.0 | 1.2 | LSB |
| Initial Offset Error (Top of Reference Ladder, 25°C) | 8 | 14 | 17 | mV |
| Initial Offset Error (Bottom of Reference Ladder, 25°C) | 4 | 10 | 12 | mV |
| Offset Drift Coefficient | 20 | 20 | 20 | µV/°C |
| Analog Input Bias Current (25°C) | 60 | 200 | 200 | µA |
| Analog Input Resistance (25°C) | 25 | 200 | 200 | kΩ |
| Analog Input Capacitance (25°C) | 17 | 22 | - | pF |
| Power Dissipation | - | 750 | - | mW |
| Supply Voltage | - | -5.2 | - | V |
Key Features
- High-speed operation: Sampling rates up to 150 MSPS.
- Low input capacitance: 17 pF.
- Low power dissipation: 750 mW.
- Wide analog input bandwidth: 160 MHz.
- No external track-and-hold circuit required.
- Overflow bit to indicate overrange inputs, with an overflow inhibit pin.
- External hysteresis control pin for optimizing comparator sensitivity.
- MIL-STD-883 Class B compliant.
Applications
- Radar systems.
- Digital oscilloscopes and automated test equipment (ATE).
- Laser/radar warning receivers.
- Digital radio.
- Electronic warfare (ECM, ECCM, ESM).
- Communication/signal intelligence.
Q & A
- What is the maximum sampling rate of the AD9002SD/883B?
The AD9002SD/883B can operate at sampling rates up to 150 MSPS. - What is the resolution of the AD9002SD/883B?
The resolution of the AD9002SD/883B is 8 bits. - What is the typical power dissipation of the AD9002SD/883B?
The typical power dissipation is 750 mW. - Does the AD9002SD/883B require an external track-and-hold circuit?
No, the AD9002SD/883B does not require an external track-and-hold circuit due to its wide analog input bandwidth. - What is the temperature range for the military-grade version of the AD9002SD/883B?
The military-grade version operates over a temperature range of –55°C to +125°C. - What are some of the key applications of the AD9002SD/883B?
Key applications include radar systems, digital oscilloscopes, laser/radar warning receivers, digital radio, electronic warfare, and communication/signal intelligence. - What is the input capacitance of the AD9002SD/883B?
The input capacitance is 17 pF. - Is the AD9002SD/883B compliant with any military standards?
Yes, it is compliant with MIL-STD-883 Class B. - How does the AD9002SD/883B handle overrange inputs?
The AD9002SD/883B includes an overflow bit to indicate overrange inputs, and this can be disabled using the overflow inhibit pin. - What is the supply voltage for the AD9002SD/883B?
The supply voltage is –5.2 V.
