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AD774BTD/883B
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Product Detailed Parameters
- Description：IC ADC 12BIT SAR 28CDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Sampling Rate (Per Second)：-
- Number of Inputs：2
- Input Type：Single Ended
- Data Interface：Parallel
- Configuration：ADC
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：Internal
- Voltage - Supply, Analog：±11.4V ~ 16.5V
- Voltage - Supply, Digital：5V
- Features：-
- Operating Temperature：-55°C ~ 125°C
- Package / Case：28-CDIP (0.600", 15.24mm)
- Supplier Device Package：28-CDIP
- Mounting Type：Through Hole
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Overview
The AD774BTD/883B is a monolithic 12-bit successive approximation analog-to-digital converter (ADC) designed for high-speed data acquisition. It features an on-board track-and-hold amplifier and a serial interface compatible with microprocessors. The device operates from a single 5V supply, consuming 825 mW of power. Key electrical specifications include a conversion time of 8 µs, a sampling rate of 125 kS/s, and an integral nonlinearity of ±0.5 LSB. It utilizes an external or internal reference voltage of 10 V and supports single-ended inputs within a -40°C to +85°C operating temperature range.
Feature Summary
- Integrates a track-and-hold amplifier for accurate signal capture
- Provides three-state digital outputs for easy bus interfacing
- Supports serial communication protocols for microprocessor compatibility
Applications
- Industrial process control systems
- High-speed data acquisition modules
- Precision instrumentation equipment
Procurement Notes
Verify the specific suffix 'TD/883B' against official Analog Devices documentation to confirm military/aerospace qualification status and pinout compatibility. Ensure that the required 10V reference voltage specification aligns with your system design constraints before procurement. Cross-reference datasheet revisions to confirm current manufacturing status and any potential form-fit-function changes.
Selection Notes
Select this component when a 12-bit resolution and 125 kS/s throughput are required in a single-supply environment. Consider the package type and thermal dissipation characteristics relative to your PCB layout. Verify that the input signal range matches the specified reference voltage and that the serial interface timing meets your controller's requirements.
Part Context
This part belongs to the AD774 family of high-speed ADCs from Analog Devices. It shares architectural similarities with other members but differs in packaging and qualification levels. The '/883B' suffix typically indicates compliance with MIL-PRF-38535 standards, distinguishing it from commercial variants like the standard AD774BKN.
Replacement Considerations
- AD774BKN
FAQ
What is the maximum sampling rate of the AD774BTD/883B?
The device supports a sampling rate of up to 125 kS/s.
Does the AD774BTD/883B have an internal reference voltage?
No, it requires an external reference voltage, typically 10V, though some variants may support internal options depending on specific revision details.
