AD9243 - ADI

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

Part No

AD9243
Manufacturer

ADI
ChipWorker Part#

CW389422084
Description

Complete 14Bit, 3MSPS Monolithic A/D Converter
Documentation

Datasheet

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AD9243 Specifications

Attribute	Attribute Value

Part Number	AD9243
Manufacturer	ADI
ChipWorker Part#	CW389422084
Documentation	Datasheet
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Product Lifecycle Status	Active
HK STC License	NLR

Product Description

Product Details
The AD9243 is a 3 MSPS, single supply, 14-bit analog-to- digital converter (ADC). It combines a low cost, high speed CMOS process and a novel architecture to achieve the resolution and speed of existing hybrid implementations at a fraction of the power consumption and cost. It is a complete, monolithic ADC with an on-chip, high performance, low noise sample-and-hold amplifier and programmable voltage reference. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of the application. The device uses a multistage differential pipelined architecture with digital output error correction logic to guarantee no missing codes over the full operating temperature range.
The input of the AD9243 is highly flexible, allowing for easy interfacing to imaging, communications, medical, and data- acquisition systems. A truly differential input structure allows for both single-ended and differential input interfaces of varying input spans. The sample-and-hold amplifier (SHA) is equally suited for both multiplexed systems that switch full-scale voltage levels in successive channels as well as sampling single-channel inputs at frequencies up to and beyond the Nyquist rate. Also, the AD9243 performs well in communication systems employing Direct-IF Down Conversion since the SHA in the differential input mode can achieve excellent dynamic performance _well beyond_ its specified Nyquist frequency of 1.5 MHz.
A single clock input is used to control all internal conversion cycles. The digital output data is presented in straight binary output format. An out-of-range (OTR) signal indicates an over-flow condition which can be used with the most significant bit to determine low or high overflow.
### Features and Benefits
Low Power Dissipation: 110 mW
Single +5 V Supply
Integral Nonlinearity Error: 2.5 LSB
Differential Nonlinearity Error: 0.6 LSB
Input Referred Noise: 0.36 LSB
On-Chip Sample-and-Hold Amplifier and Voltage Reference
Signal-to-Noise and Distortion
Ratio: 79.0 dB
Spurious-Free Dynamic
Range: 91.0 dB
Out-of-Range Indicator
Straight Binary Output Data
44-Lead MQFP

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