AD9629 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD9629
Manufacturer

ADI
ChipWorker Part#

CW760507903
Description

12Bit, 20MSPS/40MSPS/65MSPS/80MSPS, 1.8V Analog-to-Digital Converter
Documentation

Datasheet

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AD9629 Specifications

Attribute	Attribute Value

Part Number	AD9629
Manufacturer	ADI
ChipWorker Part#	CW760507903
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD9629 is a monolithic, single channel 1.8 V supply, 12-bit, 20 MSPS/40 MSPS/65MSPS/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 12-bit accuracy at 80 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 with optional 1, 2, or 4 divide ratios controls all internal conversion cycles.
The digital output data is presented in offset binary, gray code, or twos complement format. A data output clock (DCO) is provided to ensure proper latch timing with receiving logic. Both 1.8 V and 3.3 V CMOS levels are supported.
The AD9629 is available in a 32-lead RoHS compliant LFCSP and is specified over the industrial temperature range (−40°C to +85°C).
**
**
**Applications**
Communications
Diversity radio systems
Multimode digital receivers
GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA
Smart antenna systems
Battery-powered instruments
Hand held scope meters
Portable medical imaging
Ultrasound
Radar/LIDAR
PET/SPECT imaging
**Product Highlights
**
1\. The AD9629 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.
2\. The 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.
3\. A standard serial port interface (SPI) supports various product features and functions, such as data output formatting, internal clock divider, power-down, DCO and data output (D11 to D0) timing and offset adjustments, and voltage reference modes.
4\. The AD9629 is packaged in a 32-lead RoHS compliant LFCSP that is pin compatible with the AD9609 10-bit ADC and the AD9649 14-bit ADC, enabling a simple migration path between 10-bit and 14-bit converters sampling from 20 MSPS to 80 MSPS.
### Features and Benefits
1.8 V analog supply operation
1.8 V to 3.3 V output supply
SNR
71.3 dBFS at 9.7 MHz input
69.0 dBFS at 200 MHz input
SFDR
95 dBc at 9.7 MHz input
83 dBc at 200 MHz input
Low power
45 mW at 20 MSPS
85 mW at 80 MSPS
Differential input with 700 MHz bandwidth
On-chip voltage reference and sample-and-hold circuit
2 V p-p differential analog input
DNL = ±0.16 LSB
Serial port control options
Offset binary, gray code, or twos complement data format
Integer 1, 2, or 4 input clock divider
Built-in selectable digital test pattern generation
Energy-saving power-down modes
Data clock out with programmable clock and data alignment

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