AD9241ASZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD9241ASZ - Analog Devices

Features

  • feature
    Monolithic 14-Bit, 1.25 MSPS A/D Converter Low Power Dissipation: 60 mW Single +5 V Supply Integral Nonlinearity Error: 2.5 LSB Differential Nonlinearity Error: 0.6 LSB Input Referred Noise: 0.36 LSB Complete: On-Chip Sample-and-Hold Amplifier and Voltage Reference Signal-to-Noise and Distortion Ratio: 78.0 dB Spurious-Free Dynamic Range: 88.0 dB Out-of-Range Indicator Straight Binary Output Data 44-Pin MQFP

Description

IC ADC 14BIT 1.25MSPS 44MQFP

The AD9241 is a 1.25 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 refer- ence 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 correc- tion logic to guarantee no missing codes over the full operating temperature range. The input of the AD9241 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 AD9241 performs well in communication systems employ- ing Direct-IF Down Conversion since the SHA in the differen- tial input mode can achieve excellent dynamic performance well beyond its specified Nyquist frequency of 0.625 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.

Specifications

Resolution (Bits):
14bit
Sampling Rate:
1.25MSPS
Input Channel Type:
Differential Single Ended
Data Interface:
Parallel
Supply Voltage Type:
Single
Supply Voltage Min:
4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
MQFP
No. of Pins:
44Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 14-Bit Pipelined ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
10mA
Supply Voltage Range:
4.75V to 5.25V

Alternate Descriptions

Richardson RFPD
CONVERTER - ADC