AD9220ARS Analog Devices Inc, AD9220ARS Datasheet

A/D Converter (A-D) IC

AD9220ARS

Manufacturer Part Number
AD9220ARS
Description
A/D Converter (A-D) IC
Manufacturer
Analog Devices Inc
Datasheets

Specifications of AD9220ARS

Peak Reflow Compatible (260 C)
No
No. Of Bits
12 Bit
Leaded Process Compatible
No
Mounting Type
Surface Mount
No. Of Channels
2
Interface Type
Parallel
Package / Case
28-SSOP
Rohs Status
RoHS non-compliant
Number Of Bits
12
Sampling Rate (per Second)
10M
Data Interface
Parallel
Number Of Converters
7
Power Dissipation (max)
310mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Number Of Elements
1
Resolution
12Bit
Architecture
Pipelined
Sample Rate
10MSPS
Input Polarity
Unipolar
Input Type
Voltage
Rated Input Volt
±1/±2.5V
Differential Input
Yes
Power Supply Requirement
Analog and Digital
Single Supply Voltage (typ)
5V
Single Supply Voltage (min)
4.75V
Single Supply Voltage (max)
5.25V
Dual Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Power Dissipation
310mW
Differential Linearity Error
±0.75LSB
Integral Nonlinearity Error
±1.25LSB
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
28
Package Type
SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With
AD9220-EB - BOARD EVAL FOR AD9220
Lead Free Status / Rohs Status
Not Compliant

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GENERAL DESCRIPTION
The AD9221, AD9223, and AD9220 are a generation of high
performance, single supply 12-bit analog-to-digital converters.
Each device exhibits true 12-bit linearity and temperature drift
performance
AD9221/AD9223/AD9220 share the same interface options,
package, and pinout. Thus, the product family provides an upward
or downward component selection path based on performance,
sample rate and power. The devices differ with respect to their
specified sampling rate, and power consumption, which is reflected
in their dynamic performance over frequency.
The AD9221/AD9223/AD9220 combine a low cost, high speed
CMOS process and a novel architecture to achieve the resolution
and speed of existing hybrid and monolithic implementations at
a fraction of the power consumption and cost. Each device 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 devices use a multistage differential pipelined architecture
with digital output error correction logic to provide 12-bit accu-
racy at the specified data rates and to guarantee no missing
codes over the full operating temperature range.
The input of the AD9221/AD9223/AD9220 is highly flexible,
allowing for easy interfacing to imaging, communications, medi-
cal, 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
NOTES
1
2
REV. E
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
Excluding internal voltage reference.
Depends on the analog input configuration.
FEATURES
Monolithic 12-Bit A/D Converter Product Family
Family Members Are: AD9221, AD9223, and AD9220
Flexible Sampling Rates: 1.5 MSPS, 3.0 MSPS, and
Low Power Dissipation: 59 mW, 100 mW, and 250 mW
Single 5 V Supply
Integral Nonlinearity Error: 0.5 LSB
Differential Nonlinearity Error: 0.3 LSB
Input Referred Noise: 0.09 LSB
Complete On-Chip Sample-and-Hold Amplifier and
Signal-to-Noise and Distortion Ratio: 70 dB
Spurious-Free Dynamic Range: 86 dB
Out-of-Range Indicator
Straight Binary Output Data
28-Lead SOIC and 28-Lead SSOP
10.0 MSPS
Voltage Reference
1
as well as 11.5-bit or better ac performance.
2
The
Complete 12-Bit 1.5/3.0/10.0 MSPS
amplifier (SHA) is equally suited for both multiplexed sys-
tems 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 AD9221/AD9223/AD9220
is well suited for communication systems employing Direct-
IF down conversion since the SHA in the differential input
mode can achieve excellent dynamic performance far beyond its
specified Nyquist frequency.
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 that can be used with the most significant bit to
determine low or high overflow.
PRODUCT HIGHLIGHTS
The AD9221/AD9223/AD9220 family offers a complete single-
chip sampling 12-bit, analog-to-digital conversion function in
pin compatible 28-lead SOIC and SSOP packages.
Flexible Sampling Rates—The AD9221, AD9223, and AD9220
offer sampling rates of 1.5 MSPS, 3.0 MSPS, and 10.0 MSPS,
respectively.
Low Power and Single Supply—The AD9221, AD9223, and
AD9220 consume only 59 mW, 100 mW, and 250 mW, respec-
tively, on a single 5 V power supply.
Excellent DC Performance Over Temperature—The AD9221/
AD9223/AD9220 provide 12-bit linearity and temperature drift
performance.
Excellent AC Performance and Low Noise—The AD9221/
AD9223/AD9220 provide better than 11.3 ENOB performance
and have an input referred noise of 0.09 LSB rms.
Flexible Analog Input Range—The versatile on-board sample-
and-hold (SHA) can be configured for either single-ended or
differential inputs of varying input spans.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
SENSE
CAPT
CAPB
VREF
VINA
VINB
SHA
SELECT
MODE
AD9221/AD9223/AD9220
Monolithic A/D Converters
1
FUNCTIONAL BLOCK DIAGRAM
A/D
GAIN = 16
MDAC1
REFCOM
5
5
© 2003 Analog Devices, Inc. All rights reserved.
CLK
1V
DIGITAL CORRECTION LOGIC
A/D
OUTPUT BUFFERS
AD9221/AD9223/AD9220
2
GAIN = 8
MDAC2
4
AVDD
AVSS
4
12
DVSS
DVDD
A/D
GAIN = 4
MDAC3
3
3
CML
www.analog.com
2
A/D
3
OTR
BIT 1
(MSB)
BIT 12
(LSB)

Related parts for AD9220ARS

AD9220ARS Summary of contents

Page 1

FEATURES Monolithic 12-Bit A/D Converter Product Family Family Members Are: AD9221, AD9223, and AD9220 Flexible Sampling Rates: 1.5 MSPS, 3.0 MSPS, and 10.0 MSPS Low Power Dissipation: 59 mW, 100 mW, and 250 mW Single 5 V Supply Integral Nonlinearity ...

Page 2

AD9221/AD9223/AD9220–SPECIFICATIONS (AVDD = 5 V, DVDD = SPECIFICATIONS otherwise noted.) Parameter RESOLUTION MAX CONVERSION RATE INPUT REFERRED NOISE (TYP REF V = 2.5 V REF ACCURACY Integral Nonlinearity (INL) Differential Nonlinearity (DNL) ...

Page 3

V, DVDD SPECIFICATIONS Ended Input T Parameter MAX CONVERSION RATE DYNAMIC PERFORMANCE Input Test Frequency 1 (VINA = –0.5 dBFS) Signal-to-Noise and Distortion (SINAD) Effective Number of Bits (ENOBs) Signal-to-Noise Ratio (SNR) Total ...

Page 4

... AVDD + 0.3 V DVDD + 0.3 V AVDD + 0.3 V Model AVDD + 0.3 V AVDD + 0.3 V AD9221AR AVDD + 0.3 V AD9223AR °C 150 AD9220AR °C +150 AD9221ARS AD9223ARS °C 300 AD9220ARS AD9221-EB AD9223-EB AD9220-EB –4– pF) L AD9223 AD9220 Unit 333 100 ns min 150 45 ns min 150 45 ...

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