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AD7823YN
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Product Detailed Parameters
- Description：IC ADC 8BIT SRL 2.7/5.5V 8-DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：8
- Sampling Rate (Per Second)：200k
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Mounting Type：Through Hole
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Overview
The AD7823YN is an 8-bit successive approximation analog-to-digital converter (ADC) housed in an 8-lead plastic DIP package. It operates from a single supply voltage ranging from 2.7 V to 5.5 V and features inherent track-and-hold functionality with a pseudo-differential input structure. The device achieves a typical conversion time of 4 µs and supports throughput rates up to 10 kSPS with automatic power-down capabilities, reducing power consumption to 570 µW at that rate. It includes a microcontroller-compatible serial interface requiring no external logic. The component is specified for operation across an extended temperature range of –40°C to +125°C.
Feature Summary
- Inherent track-and-hold functionality eliminates the need for external sampling circuits.
- Automatic power-down mode significantly reduces average power consumption at lower throughput rates.
- Microcontroller-compatible serial interface allows direct connection without additional glue logic.
- Pseudo-differential input scheme enables offset cancellation within the system.
Applications
- Battery-powered test equipment
- Battery-powered communications systems
- Low power hand-held portable applications
Procurement Notes
Verify the specific ordering suffix 'N' corresponds to the plastic DIP package variant when sourcing replacements or verifying inventory. Confirm that the required operating temperature range matches the –40°C to +125°C specification. Ensure the design accommodates the 8-lead package dimensions and pinout configuration as defined in the datasheet.
Selection Notes
Select this component for applications requiring 8-bit resolution with low power consumption and minimal external component count. Consider the automatic power-down feature if the application involves intermittent sampling at rates below 50 kSPS. Verify that the source impedance of the analog input signal is low enough to meet the acquisition time requirements for the desired throughput rate.
Part Context
The AD7823 is part of Analog Devices' family of high-speed, low-power ADCs designed for space-constrained applications. It serves as a cost-effective solution for systems needing moderate resolution and fast conversion times. The device offers a drop-in upgrade path to 10-bit accuracy variants like the AD7810 while maintaining similar package footprints and interface protocols.
Replacement Considerations
The AD7823YR (SOIC-8) and AD7823YRM (microSOIC-8) are pin-compatible alternatives offering different package styles. For higher resolution requirements, the AD7810 provides a 10-bit upgrade option within the same functional family.
