AD9286 8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC)

The AD9286 is an 8-bit, monolithic sampling, analog-to-digital converter (ADC) that supports interleaved operation and is optimized for low cost, low power, and ease of use. Each ADC operates at up to a 250 MSPS conversion rate with outstanding dynamic performance. PRODUCT HIGHLIGHTS Integrated 8-bit, 500 MSPS ADC. Single 1.8 V supply operation with LVDS outputs. Power-down option controlled via a pin-programmable setting. APPLICATIONS

The AD9286 takes a single sample clock and, with an on-chip clock divider, time interleaves the two ADC cores (each running at one-half the clock frequency) to achieve the rated 500 MSPS. By using the SPI, the user can accurately adjust the timing of the sampling edge per ADC to minimize the image spur energy.

The ADC requires a single 1.8 V supply and an encode clock for full performance operation. No external reference components are required for many applications. The digital outputs are LVDS compatible.

The AD9286 is available in a Pb-free, 48-lead LFCSP that is specified over the industrial temperature range of −40°C to +85°C.

Features and Benefits

Single 1.8 V supply operation
SNR: 49.3 dBFS at 200 MHz input at 500 MSPS
SFDR: 65 dBc at 200 MHz input at 500 MSPS
Low power: 315 mW at 500 MSPS
On-chip interleaved clocking
On-chip reference and track-and-hold

1.2 V p-p analog input range for each channel
Differential input with 500 MHz bandwidth
LVDS-compliant digital output
On-chip voltage reference and sample-and-hold circuit
DNL: ±0.2 LSB
See datasheet for additional features

Analog to Digital Converters

Data Sheets

Document	note
AD9286: 8-Bit, 500 MSPS, 1.8 V Analog-to-Digital Converter (ADC) Data Sheet (Rev. C)	PDF 524 kB

Application Notes

Document	note
AN-878: High Speed ADC SPI Control Software (Rev. A)	PDF 585 kB
AN-905: Visual Analog Converter Evaluation Tool Version 1.0 User Manual (Rev. 0)	PDF 2124 kB
AN-835: Understanding High Speed ADC Testing and Evaluation (Rev. B)	PDF 985 kB
AN-501: Aperture Uncertainty and ADC System Performance (Rev. A)	PDF 227 kB
AN-282: Fundamentals of Sampled Data Systems	PDF 2131 kB
AN-756: Sampled Systems and the Effects of Clock Phase Noise and Jitter (Rev. 0)	PDF 291.7 K
AN-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs (Rev. 0)	PDF 203 kB
AN-935: Designing an ADC Transformer-Coupled Front End (Rev. 0)	PDF 363 kB
AN-742: Frequency Domain Response of Switched-Capacitor ADCs (Rev. B)	PDF 401 kB
AN-345: Grounding for Low-and-High-Frequency Circuits	PDF 455 kB
AN-586: LVDS Outputs for High Speed A/D Converters (Rev. 0)	PDF 207 kB
AN-1142: Techniques for High Speed ADC PCB Layout (Rev. 0)	PDF 392 kB
AN-737: How ADIsimADC Models an ADC (Rev. B)	PDF 373 kB
AN-877: Interfacing to High Speed ADCs via SPI (Rev. A)	PDF 1594 kB
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design (Rev. 0)	PDF 262 kB
AN-715: A First Approach to IBIS Models: What They Are and How They Are Generated (Rev. 0)	PDF 370.2 K

User Guides

Document	note
UG-191: Evaluating the AD9286 Analog-to-Digital Converter	PDF 1308 kB

Order Information

Part Number	Package	Packing Qty	Temp Range	Price 100-499	Price 1000+	RoHS
AD9286BCPZ-500 Production	48 ld LFCSP 7x7mm (4.6mmEP)	OTH 260	-40 to 85C	42.35	36	Y
AD9286BCPZRL7-500 Production	48 ld LFCSP 7x7mm (4.6mmEP)	REEL 750	-40 to 85C	42.35	36	Y