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AD9215 반도체 회로 부품 판매점

3V A/D Converter



Analog Devices 로고
Analog Devices
AD9215 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
Single 3 V supply operation (2.7 V to 3.3 V)
SNR = 58 dBc (to Nyquist)
SFDR = 77 dBc (to Nyquist)
Low power ADC core: 96 mW at 65 MSPS, 104 mW
@ 80 MSPS, 120 mW at 105 MSPS
Differential input with 300 MHz bandwidth
On-chip reference and sample-and-hold amplifier
DNL = ±0.25 LSB
Flexible analog input: 1 V p-p to 2 V p-p range
Offset binary or twos complement data format
Clock duty cycle stabilizer
APPLICATIONS
Ultrasound equipment
IF sampling in communications receivers
Battery-powered instruments
Hand-held scopemeters
Low cost digital oscilloscopes
PRODUCT DESCRIPTION
The AD9215 is a family of monolithic, single 3 V supply, 10-bit,
65/80/105 MSPS analog-to-digital converters (ADC). This family
features a high performance sample-and-hold amplifier (SHA)
and voltage reference. The AD9215 uses a multistage differential
pipelined architecture with output error correction logic to pro-
vide 10-bit accuracy at 105 MSPS data rates and to guarantee no
missing codes over the full operating temperature range.
The wide bandwidth, truly differential sample-and-hold ampli-
fier (SHA) allows for a variety of user-selectable input ranges
and offsets including single-ended applications. It is suitable for
multiplexed systems that switch full-scale voltage levels in
successive channels and for sampling single-channel inputs at
frequencies well beyond the Nyquist rate. Combined with pow-
er and cost savings over previously available ADCs, the AD9215
is suitable for applications in communications, imaging, and
medical ultrasound.
A single-ended clock input is used to control all internal conversion
cycles. A duty cycle stabilizer compensates for wide variations in the
clock duty cycle while maintaining excellent performance. The digital
output data is presented in straight binary or twos complement for-
mats. An out-of-range signal indicates an overflow condition, which
can be used with the MSB to determine low or high overflow.
10-Bit, 65/80/105 MSPS,
3 V A/D Converter
AD9215
FUNCTIONAL BLOCK DIAGRAM
AVDD
DRVDD
VIN+
VIN–
SHA
PIPELINE
ADC CORE
REFT
REFB
AD9215
CORRECTION LOGIC
10
OUTPUT BUFFERS
VREF
SENSE
REF
SELECT
CLOCK
DUTY CYCLE
STABLIZER
0.5V
MODE
SELECT
OR
D9 (MSB)
D0
AGND
CLK
PDWN
Figure 1.
MODE DGND
Fabricated on an advanced CMOS process, the AD9215 is avail-
able in both a 28-lead surface-mount plastic package and a
32-lead chip scale package and is specified over the industrial
temperature range of −40°C to +85°C.
PRODUCT HIGHLIGHTS
1. The AD9215 operates from a single 3 V power supply and
features a separate digital output driver supply to accom-
modate 2.5 V and 3.3 V logic families.
2. Operating at 105 MSPS, the AD9215 core ADC consumes
a low 120 mW; at 80 MSPS, the power dissipation is 104
mW; and at 65 MSPS, the power dissipation is 96 mW.
3. The patented SHA input maintains excellent performance
for input frequencies up to 200 MHz and can be config-
ured for single-ended or differential operation.
4. The AD9215 is part of several pin compatible 10-, 12-, and
14-bit low power ADCs. This allows a simplified upgrade
from 10 bits to 12 bits for systems up to 80 MSPS.
5. The clock duty cycle stabilizer maintains converter per-
formance over a wide range of clock pulse widths.
6. The out of range (OR) output bit indicates when the signal
is beyond the selected input range.
Rev. B
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no re-
sponsibility 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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2003–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com


AD9215 데이터시트, 핀배열, 회로
AD9215* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
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Evaluation Kits
• AD9215 Evaluation Board
Documentation
Application Notes
• AN-1142: Techniques for High Speed ADC PCB Layout
• AN-1221: Very Low Jitter Encode (Sampling) Clocks for
High Speed Analog-to-Digital Converters Using the
ADF4002 PLL
• AN-282: Fundamentals of Sampled Data Systems
• AN-345: Grounding for Low-and-High-Frequency Circuits
• AN-501: Aperture Uncertainty and ADC System
Performance
• AN-715: A First Approach to IBIS Models: What They Are
and How They Are Generated
• AN-737: How ADIsimADC Models an ADC
• AN-741: Little Known Characteristics of Phase Noise
• AN-742: Frequency Domain Response of Switched-
Capacitor ADCs
• AN-756: Sampled Systems and the Effects of Clock Phase
Noise and Jitter
• AN-803: Pin Compatible High Speed ADCs Simplify
Design Tasks
• AN-827: A Resonant Approach to Interfacing Amplifiers to
Switched-Capacitor ADCs
• AN-835: Understanding High Speed ADC Testing and
Evaluation
• AN-905: Visual Analog Converter Evaluation Tool Version
1.0 User Manual
• AN-935: Designing an ADC Transformer-Coupled Front
End
Data Sheet
• AD9215: 10-Bit, 65/80/105 MSPS, 3 V A/D Converter
Data Sheet
Tools and Simulations
• Visual Analog
• AD9215 IBIS Models
Reference Designs
• CN0096
Reference Materials
Technical Articles
• Correlating High-Speed ADC Performance to Multicarrier
3G Requirements
• Design A Clock-Distribution Strategy With Confidence
• DNL and Some of its Effects on Converter Performance
• MS-2210: Designing Power Supplies for High Speed ADC
Design Resources
• AD9215 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD9215 EngineerZone Discussions
Sample and Buy
Visit the product page to see pricing options
Technical Support
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number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.




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