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AD976A fiches techniques PDF

Analog Devices - 16-Bit/ 100 kSPS/200 kSPS BiCMOS A/D Converters

Numéro de référence AD976A
Description 16-Bit/ 100 kSPS/200 kSPS BiCMOS A/D Converters
Fabricant Analog Devices 
Logo Analog Devices 





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AD976A fiche technique
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FEATURES
Fast 16-Bit ADC
200 kSPS Throughput – AD976A
100 kSPS Throughput – AD976
Single 5 V Supply Operation
Input Range: ؎10 V
100 mW Max Power Dissipation
Choice of External or Internal 2.5 V Reference
High Speed Parallel Interface
On-Chip Clock
28-Lead Skinny DIP, SSOP or SOIC Packages
16-Bit, 100 kSPS/200 kSPS
BiCMOS A/D Converters
AD976/AD976A
CAP
VIN
AGND2
VDIG
FUNCTIONAL BLOCK DIAGRAM
REF
VANA AGND1
R
4R
4R
3
4k
2.5V
REFERENCE
AD976/AD976A
SWITCHED
CAP ADC
PARALLEL
INTERFACE
CLOCK
CONTROL LOGIC &
INTERNAL CALIBRATION CIRCUITRY
DGND
R = 6kAD976
R = 3kAD976A
BYTE
R/C
CS BUSY
D15
D0
GENERAL DESCRIPTION
The AD976/AD976A is a high speed, low power 16-bit A/D
converter that operates from a single 5 V supply. The part con-
tains a successive approximation, switched capacitor ADC, an
internal 2.5 V reference and a high speed parallel interface. The
ADC is factory calibrated to minimize all linearity errors. The
analog full-scale input is the standard industrial range of ± 10 V.
The AD976/AD976A is comprehensively tested for ac param-
eters such as SNR and THD, as well as the more traditional
parameters of offset, gain and linearity.
The AD976/AD976A is fabricated on Analog Devices’ propri-
etary BiCMOS process, which has high performance bipolar
devices along with CMOS transistors.
The AD976/AD976A is available in skinny 28-lead DIP, SSOP
and SOIC packages.
PRODUCT HIGHLIGHTS
1. Fast Throughput.
The AD976/AD976A is a high speed (100 kSPS/200 kSPS
throughput rates respectively), 16-bit ADC based on a
switched capacitor architecture.
2. Single-Supply Operation.
The AD976/AD976A operates from a single 5 V supply and
dissipates only 100 mW max.
3. Comprehensive DC and AC Specifications.
The AD976/AD976A is factory calibrated and fully tested for
SNR and THD as well as the traditional specifications of
offset, gain and linearity.
4. Complete A/D Solution.
The AD976/AD976A offers a highly integrated solution
containing an accurate ADC, reference and on-chip clock.
REV. C
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999

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