AD9225ARZ

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for AD9225ARZ - Analog Devices

Features

  • feature
    Monolithic 12-Bit, 25 MSPS ADC Low Power Dissipation: 280 mW Single 5 V Supply No Missing Codes Guaranteed Differential Nonlinearity Error: u00010.4 LSB Complete On-Chip Sample-and-Hold Amplifier and Voltage Reference Signal-to-Noise and Distortion Ratio: 71 dB Spurious-Free Dynamic Range: u201385 dB Out-of-Range Indicator Straight Binary Output Data 28-Lead SOIC 28-Lead SSOP Compatible with 3 V Logic

Description

ADC 12BIT 25MSPS WSOIC-28

The AD9225 is a monolithic, single-supply, 12-bit, 25 MSPS analog-to-digital converter with an on-chip, high performance sample-and-hold amplifier and voltage reference. The AD9225 uses a multistage differential pipelined architecture with output error correction logic to provide 12-bit accuracy at 25 MSPS data rates, and guarantees no missing codes over the full operat- ing temperature range. The AD9225 combines a low cost, high speed CMOS process and a novel architecture to achieve the resolution and speed of existing bipolar implementations at a fraction of the power consumption and cost. The input of the AD9225 allows for easy interfacing to both imaging and communications systems. With the device’s truly differential input structure, the user can select a variety of input ranges and offsets, including single-ended applications. The dynamic performance is excellent. The sample-and-hold amplifier (SHA) is well suited for both multiplexed systems that switch full-scale voltage levels in succes- sive channels and sampling single-channel inputs at frequencies up to and well beyond the Nyquist rate. The AD9225’s wideband input, combined with the power and cost savings over previously available monolithics, suits applica- tions in communications, imaging, and medical ultrasound. The AD9225 has an on-board programmable reference. An external reference can also be chosen to suit the dc accuracy and temperature drift requirements of an application. 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 signal indicates an overflow condition that can be used with the most significant bit to deter- mine low or high overflow.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
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:
WSOIC
No. of Pins:
28Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
Single 12-Bit Pipelined ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Supply Current:
65mA

Alternate Descriptions

Richardson RFPD
CONVERTER - ADC