AD9639BCPZ-210

Analog To Digital Converters (ADC) Overview

The AD9639BCPZ-210 is a quad, 12-bit analog-to-digital converter (ADC) operating at a sampling rate of 210 MSPS. It features JESD204 coded serial digital outputs and operates from a single 1.8 V supply. The device includes an on-chip temperature sensor and supports differential input voltage ranges adjustable up to 1.5 V p-p. Key electrical specifications include a full power analog bandwidth of 780 MHz, typical SNR of 64.2 dBFS at 85 MHz input, and SFDR of 77 dBc. Differential nonlinearity (DNL) is typically ±0.28 LSB, while integral nonlinearity (INL) is ±0.7 LSB. Total power dissipation reaches 1.386 W, with standby dissipation at 173 mW. It is housed in a 72-lead LFCSP package.

Analog To Digital Converters (ADC) Feature Summary

• Integrates four independent 12-bit ADCs within a compact package for space-constrained designs.
• Features an on-chip PLL that multiplies the single sampling clock to generate high-speed data rate clocks.
• Supports flexible synchronization schemes and programmable mode pins for system integration.
• Includes a duty cycle stabilizer to maintain performance across varying clock input duty cycles.

Analog To Digital Converters (ADC) Applications

• Communication receivers
• Cable head end equipment and M-CMTS
• Broadband radios
• Wireless infrastructure transceivers
• Radar and military-aerospace subsystems

Analog To Digital Converters (ADC) Procurement Notes

Verify the complete ordering suffix against official Analog Devices documentation to ensure correct speed grade and package variant. Confirm RoHS compliance status and lead-free material specifications prior to procurement. Cross-reference the specific part number with current datasheet revisions to validate manufacturing availability and lifecycle status.

Analog To Digital Converters (ADC) Selection Notes

Select this component when requiring a quad-channel, high-speed ADC with low power consumption and integrated serialization. Ensure the system design accommodates the 1.8 V supply requirement and utilizes differential clock inputs for optimal jitter performance. Verify that the target application frequency falls within the 780 MHz analog bandwidth and that the required dynamic range meets the specified SNR and SFDR metrics.

Analog To Digital Converters (ADC) Part Context

This device belongs to the AD9639 family of high-speed, low-power analog-to-digital converters. It shares architectural similarities with other members of the series but is distinguished by its 210 MSPS sampling rate capability. The component is designed for applications demanding high channel density and efficient serial data output interfaces.

Analog To Digital Converters (ADC) Replacement Considerations

The AD9639BCPZ-170 serves as a lower-speed variant within the same product family, offering identical pinouts and functionality at a reduced 170 MSPS sampling rate. Designers may consider this alternative if system timing requirements allow for slower conversion speeds while maintaining the same interface and package constraints.

Analog To Digital Converters (ADC) FAQ

How does the AD9639 handle clock duty cycle variations?

The device incorporates an internal duty cycle stabilizer (DCS) that retimes the nonsampling edge, providing an internal clock signal with a nominal 50% duty cycle. This allows high performance even with wide ranges of input clock duty cycles.

What is the maximum analog input frequency supported?

The AD9639 features a full power analog bandwidth of 780 MHz, allowing it to digitize high-frequency signals effectively.

Does the device require external reference voltage components?

No, the AD9639 contains an on-chip reference that eliminates the need for external decoupling capacitors typically required for reference voltages.