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AD9218BST-40
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Product Detailed Parameters
- Description：IC ADC 10BIT DUAL 40MSPS 48LQFP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bag
- Number of Bits：10
- Sampling Rate (Per Second)：40M
- Number of Inputs：-
- Input Type：-
- Data Interface：Parallel
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：2
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Mounting Type：Surface Mount
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Overview
The AD9218BST-40 is a dual-channel, 10-bit monolithic sampling analog-to-digital converter (ADC) from Analog Devices. It operates at a maximum conversion rate of 40 MSPS with outstanding dynamic performance over its full operating range. The device features on-chip track-and-hold circuits and requires only a single 3.0 V power supply for operation. Each channel can be operated independently, offering low power consumption of 325 mW to 350 mW per channel. The digital outputs are TTL/CMOS compatible, supporting both two's complement and offset binary output modes.
Feature Summary
- Dual-channel architecture with independent channel operation
- On-chip reference voltage and track-and-hold circuits
- TTL/CMOS compatible clock input and digital outputs
- User-selectable data formats and timing schemes
Applications
- Battery-powered instruments
- Hand-held scopemeters
- Low cost digital oscilloscopes
- I and Q communications systems
- Ultrasound equipment
Procurement Notes
Verify the specific speed grade suffix matches the required maximum sample rate. Confirm package type and temperature rating align with system requirements. Check for RoHS compliance status. Ensure ordering information corresponds to the exact part number variant needed for production.
Selection Notes
Select this component when a dual-channel ADC with moderate speed and high linearity is required. Consider the 3 V single-supply operation for power efficiency. Evaluate the need for independent channel control and flexible data alignment options. Verify compatibility with existing TTL/CMOS logic levels in the design.
Part Context
This part belongs to the AD9218 family of dual 10-bit ADCs. It is pin-compatible with the 8-bit AD9288, allowing for easy migration. The device is fabricated on an advanced CMOS process and is available in a 48-lead LQFP package. It is designed for applications requiring low cost, low power, and small size.
Replacement Considerations
The AD9218BST-65, AD9218BST-80, and AD9218BST-105 are pin-compatible alternatives within the same family. These variants offer higher maximum sample rates but may have different power dissipation characteristics. Ensure the selected replacement meets the system's speed and power requirements.
