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AD7853LAN
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Product Detailed Parameters
- Description：IC ADC 12BIT SRL 200KSPS 24-DIP
- Series：*
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：12
- Sampling Rate (Per Second)：-
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：-
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-
- Package / Case：24-DIP (0.300", 7.62mm)
- Supplier Device Package：24-PDIP
- Mounting Type：Through Hole
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Overview
The AD7853LAN is a 12-bit, low-power successive approximation analog-to-digital converter (ADC) from Analog Devices. It operates on a single 3 V to 5.5 V supply and features a throughput rate of 100 kSPS. The device includes an internal 2.5 V reference, pseudo-differential inputs, and flexible serial interfaces compatible with SPI, QSPI, and 8051 systems. It supports system and self-calibration with automatic power-up calibration. Power consumption is typically 6.85 mW at 3 V. Available in 24-lead plastic DIP packages, it is designed for battery-powered applications requiring high accuracy and low energy usage.
Feature Summary
- Low power operation optimized for battery-powered systems
- Automatic self-calibration and system calibration capabilities
- Flexible serial interface supporting multiple communication protocols
- Pseudo-differential input sampling scheme
Applications
- Battery-powered personal digital assistants
- Medical instruments
- Mobile communications devices
- Pen computers
- Instrumentation and control systems
Procurement Notes
Verify the specific suffix 'LAN' against official ordering guides to confirm package type and temperature range. Confirm availability status as older revisions may be discontinued. Ensure compatibility with required voltage levels and interface modes before integration.
Selection Notes
Select the AD7853LAN over the standard AD7853 when lower power consumption is critical, noting its reduced 100 kSPS speed. Verify that the 24-lead DIP package fits the board layout constraints. Ensure the application requires 12-bit resolution and can accommodate the specified input voltage ranges relative to the reference.
Part Context
This component belongs to the AD7853 family of 12-bit sampling ADCs. The 'L' designation indicates the low-power variant, while 'AN' specifies the plastic DIP package and commercial/industrial temperature range options. It shares architectural similarities with other SAR ADCs but is distinct in its specific power and speed trade-offs.
Replacement Considerations
Direct replacements include the AD7853LBN or AD7853LAR depending on the required package format. Cross-referencing with the ADS7853 series may be necessary if higher speeds are acceptable, though pinouts and specifications differ.
