AD9251BCPZ-40 Standard High Speed A/D Converters by Analog Devices

Standard High Speed A/D Converters
Status: Production
Series: AD9251
RoHS: Compliant
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The AD9251 is a monolithic, dual-channel, 1.8 V supply, 14-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-and hold circuit and on-chip voltage reference.The product uses multistage differential pipeline architecture with output error correction logic to provide 14-bit accuracy at80 MSPS data rates and to guarantee no missing codes over the full operating temperature range.The ADC contains several features designed to maximize flexibility and minimize system cost, such as programmable clock and data alignment and programmable digital test pattern generation. The available digital test patterns include built-in deterministic and pseudorandom patterns, along with custom user-defined test patterns entered via the serial port interface (SPI).A differential clock input controls all internal conversion cycles. An optional duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.The digital output data is presented in offset binary, gray code, or twos complement format. A data output clock (DCO) is provided for each ADC channel to ensure proper latch timing with receiving logic. Both 1.8 V and 3.3 V CMOS levels are supported and output data can be multiplexed onto a single output bus.The AD9251 is available in a 64-lead RoHS Compliant LFCSP and is specified over the industrial temperature range (−40°C to +85°C).PRODUCT HIGHLIGHTS The AD9251 operates from a single 1.8 V analog power supply and features a separate digital output driver supply to accommodate 1.8 V to 3.3 V logic families. The patented sample-and-hold circuit maintains excellent performance for input frequencies up to 200 MHz and is designed for low cost, low power, and ease of use. A standard serial port interface supports various product features and functions, such as data output formatting, internal clock divider, power-down, DCO/DATA timing and offset adjustments, and voltage reference modes. The AD9251 is packaged in a 64-lead RoHS compliant LFCSP that is pin compatible with the AD9268 16-bit ADC, the AD9258 14-bit ADC, the AD9231 12-bit ADC, and the AD9204 10-bit ADC, enabling a simple migration path between 10-bit and 16-bit converters sampling from 20 MSPS to 125 MSPS. 

Where to Buy

Prices starting from US$31.60

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$31.60
265
in stock
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Logo for Newark Electronics
Newark Electronics
from US$49.69
47
in stock
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Logo for element14
element14
from US$50.20
47
in stock
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Logo for Farnell
Farnell
from US$47.27
47
in stock
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Logo for Richardson RFPD
Richardson RFPD
from US$44.51
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Features

1.8 V analog supply operation
1.8 V to 3.3 V output supply
SNR
74.3 dBFS at 9.7 MHz input
71.5 dBFS at 200 MHz input
SFDR
93 dBc at 9.7 MHz input
80 dBc at 200 MHz input
Low power
33 mW per channel at 20 MSPS
73 mW per channel at 80 MSPS
Differential input with 700 MHz bandwidth
2 V p-p differential analog input
On-chip voltage reference and sample-and-hold circuit
DNL = ±0.45 LSB
Serial port control options
Offset binary, gray code, or twos complement data format
Optional clock duty cycle stabilizer
Integer 1-to-8 input clock divider
Data output multiplex option
Built-in selectable digital test pattern generation
Energy-saving power-down modes
Data clock out with programmable clock and data alignment

Alternative Descriptions

14 BIT DUAL 40 msps low power | Analog Devices
Adc, 14Bit, 40Msps, Lfcsp-Vq-Ep-64 | Newark Electronics
ADC, 14BIT, 40MSPS, LFCSP-VQ-EP-64 | element14
CONVERTER - ADC | Richardson RFPD

Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD9251BCPZ-40?

Additional datasheets, footprints and schematics for AD9251BCPZ-40 are listed on our Part Details page. You can also find images and similar parts to AD9251BCPZ-40 on this page.

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What category does AD9251BCPZ-40 fall under?

The AD9251BCPZ-40 is listed under Standard High Speed A/D Converters.

Can I view similar or alternative parts?

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Is the AD9251BCPZ-40 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for AD9251BCPZ-40 have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Richardson RFPD have stock available or on a lead time for AD9251BCPZ-40.

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