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AD7896ANZ 数据表(PDF) 1 Page - Analog Devices

部件名 AD7896ANZ
功能描述  2.7 V to 5.5 V, 12-Bit, 8 s ADC in 8-Lead SOIC/PDIP
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD7896ANZ 数据表(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. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax:
AD7896
2.7 V to 5.5 V, 12-Bit, 8 s
ADC in 8-Lead SOIC/PDIP
GENERAL DESCRIPTION
The AD7896 is a fast, 12-bit ADC that operates from a single
2.7 V to 5.5 V supply and is housed in small 8-lead PDIP and
8-lead SOIC packages. The part contains an 8
µs successive
approximation ADC, an on-chip track-and-hold amplifier, an
on-chip clock, and a high speed serial interface.
Output data from the AD7896 is provided via a high speed,
serial interface port. This 2-wire serial interface has a serial
clock input and a serial data output with the external serial
clock accessing the serial data from the part.
In addition to the traditional dc accuracy specifications, such as
linearity, full-scale, and offset errors, the AD7896 is also speci-
fied for dynamic performance parameters, including harmonic
distortion and signal-to-noise ratio.
The part accepts an analog input range of 0 V to VDD and operates
from a single 2.7 V to 5.5 V supply, consuming only 9 mW
typical. The VDD input is also used as the reference for the part
so that no external reference is required.
The AD7896 features a high sampling rate mode and, for low
power applications, a proprietary automatic power-down mode
where the part automatically goes into power-down once conver-
sion is complete and “wakes up” before the next conversion cycle.
The part is available in a small, 8-lead, 0.3'' wide, plastic or
hermetic dual-in-line package (PDIP) and in an 8-lead, small
outline IC (SOIC).
FEATURES
100 kHz Throughput Rate
Fast 12-Bit Sampling ADC with 8
s Conversion Time
8-Lead PDIP and SOIC
Single 2.7 V to 5.5 V Supply Operation
High Speed, Easy-to-Use Serial Interface
On-Chip Track-and-Hold Amplifier
Analog Input Range Is 0 V to Supply
High Input Impedance
Low Power: 9 mW Typ
FUNCTIONAL BLOCK DIAGRAM
CLOCK
12-BIT
ADC
OUTPUT
REGISTER
TRACK-AND-HOLD
AD7896
VIN
CONVST
VDD
AGND
DGND
BUSY
SCLK
SDATA
PRODUCT HIGHLIGHTS
1. Complete, 12-bit ADC in an 8-Lead Package.
The AD7896 contains an 8
µs ADC, a track-and-hold ampli-
fier, control logic, and a high speed serial interface, all in an
8-lead PDIP. The VDD input is used as the reference for the
part, so no external reference is needed. This offers consider-
able space saving over alternative solutions.
2. Low Power, Single-Supply Operation.
The AD7896 operates from a single 2.7 V to 5.5 V supply
and consumes only 9 mW typical. The automatic power-
down mode, where the part goes into power down once
conversion is complete and “wakes up” before the next con-
version cycle, makes the AD7896 ideal for battery-powered
or portable applications.
3. High Speed Serial Interface.
The part provides high speed serial data and serial clock lines
allowing for an easy, 2-wire serial interface arrangement.
Rev. D
781/461-3113
©1994–2011 Analog Device, Inc. All rights reserved.


类似零件编号 - AD7896ANZ

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AD7896ANZ AD-AD7896ANZ Datasheet
1Mb / 15P
   2.7 V to 5.5 V, 12-Bit, 8 s ADC in 8-Lead SOIC/PDIP
REV. D
AD7896ANZ AD-AD7896ANZ Datasheet
1Mb / 16P
   2.7 V to 5.5 V, 12-Bit ADC in 8-Lead SOIC/PDIP
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