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Product Detailed Parameters
- Description：IC ADC 16BIT SAR 48QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：16
- Sampling Rate (Per Second)：500k
- Number of Inputs：1
- Input Type：Differential
- Data Interface：SPI, Parallel
- Configuration：S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：External, Internal
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- Features：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：48-WFQFN Exposed Pad
- Supplier Device Package：48-QFN (7x7)
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The LTC2392CUK-16#PBF is a 16-bit, 500ksps successive approximation register (SAR) analog-to-digital converter manufactured by Analog Devices Inc. It operates from a single 5V supply and features a ±4.096V fully differential input range. The device achieves a typical SNR of 94dB at a 20kHz input frequency and guarantees 16-bit no missing codes with a maximum INL of ±2LSB. Power consumption is 110mW at full throughput. It includes an internal reference with a max temperature coefficient of ±20ppm/°C and supports both parallel and serial digital interfaces.
Feature Summary
- 500ksps throughput rate with no pipeline delay or cycle latency
- 94dB typical SNR and 104dB SFDR at fIN = 20kHz
- Internal precision reference with ±20ppm/°C max temperature coefficient
- Single 5V analog/digital supply with 1.8V to 5V I/O logic levels
Applications
- Medical imaging systems
- High-speed data acquisition
- Industrial process control
- Automated test equipment (ATE)
Procurement Notes
Verify the specific ordering suffix against the manufacturer's lead-free finish table. The #PBF designation indicates a lead-free RoHS-compliant package. Confirm that the C-grade temperature range (0°C to 70°C) aligns with the system requirements, as higher grade options exist for wider operating ranges.
Selection Notes
Select this component when a low-noise, high-dynamic-range ADC is required for single-supply 5V applications. Ensure the external driver circuit can settle within the 685ns acquisition time to maintain linearity. Consider the QFN-48 package thermal characteristics if operating near the upper temperature limit.
Part Context
This part belongs to the LTC2392-16 family, which also includes variants like the LTC2393-16 (1Msps) and LTC2391-16 (250ksps). All share similar architectural features but differ in sampling speed. The CUK-16 suffix specifically denotes the 48-lead QFN package with commercial temperature grading.
Replacement Considerations
The LTC2393CUK-16#PBF offers identical pinout and functionality but operates at 1Msps. Verify if the increased speed meets system timing constraints without requiring layout changes.
