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AD13280 Datasheet(PDF) 1 Page - Analog Devices

Part No. AD13280
Description  Dual Channel, 12-Bit, 80 MSPS A/D Converter with Analog Input Signal Conditioning
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD13280 Datasheet(HTML) 1 Page - Analog Devices

 
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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.
a
AD13280
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2001
FEATURES
Dual, 80 MSPS Minimum Sample Rate
Channel-to-Channel Matching,
1% Gain Error
90 dB Channel-to-Channel Isolation
DC-Coupled Signal Conditioning
80 dB Spurious-Free Dynamic Range
Selectable Bipolar Inputs ( 1 V and
0.5 V Ranges)
Integral Single-Pole Low-Pass Nyquist Filter
Two’s Complement Output Format
3.3 V Compatible Outputs
1.85 W per Channel
Industrial and Military Grade
APPLICATIONS
Radar Processing (Optimized for I/Q Baseband Operation)
Phased Array Receivers
Multichannel, Multimode Receivers
GPS Antijamming Receivers
Communications Receivers
Dual Channel, 12-Bit, 80 MSPS A/D Converter
with Analog Input Signal Conditioning
PRODUCT DESCRIPTION
The AD13280 is a complete dual channel signal processing
solution including on board amplifiers, references, ADCs, and
output termination components to provide optimized system
performance. The AD13280 has on-chip track-and-hold circuitry
and utilizes an innovative multipass architecture to achieve 12-bit,
80 MSPS performance. The AD13280 uses innovative high-
density circuit design and laser-trimmed thin-film resistor networks
to achieve exceptional channel matching, impedance control,
and performance while still maintaining excellent isolation,
and providing for significant board area savings.
Multiple options are provided for driving the analog input,
including single-ended, differential, and optional series filtering.
The AD13280 also offers the user a choice of analog input
signal ranges to further minimize additional external signal
conditioning, while still remaining general purpose.
The AD13280 operates with
±5.0 V for the analog signal condi-
tioning with a separate 5.0 V supply for the analog-to-digital
conversion, and 3.3 V digital supply for the output stage. Each
channel is completely independent allowing operation with
independent encode and analog inputs, and maintaining mini-
mal crosstalk and interference.
The AD13280 is packaged in a 68-lead ceramic gull wing package.
Manufacturing is done on Analog Devices, Inc. MIL-38534
Qualified Manufacturers Line (QML) and components are
available up to Class-H (–40
°C to +85°C). The components are
manufactured using Analog Devices, Inc. high-speed comple-
mentary bipolar process (XFCB).
PRODUCT HIGHLIGHTS
1. Guaranteed sample rate of 80 MSPS.
2. Input signal conditioning included; gain and impedance match.
3. Single-ended, differential, or off-module filter options.
4. Fully tested/characterized full channel performance.
5. Compatible with 14-bit (up to) 65 MSPS family.
FUNCTIONAL BLOCK DIAGRAM
100
OUTPUT TERMINATORS
TIMING
3
9
12
VREF
DROUT
12
ENC
ENC
D9A
D10A D11A
(MSB)
D0B
(LSB)
D1B
D3B
D2B
D4B
D5B
D6B
D7B
D8B
TIMING
D9B
7
5
ENC
ENC
B–IN
D10B
D11B (MSB)
(LSB) D0A
D1A
D2A
D3A
D4A
D5A
D6A
D7A
D8A
AD13280
DROUTA
100
OUTPUT TERMINATORS
AMP-IN-B-2
AMP-IN-B-1
AMP-IN-A-2
AMP-IN-A-1
AMP-OUT-A
A–IN
A+IN
B+IN
AMP-OUT-B
DROUTB
DROUT
VREF


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