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AD7982BCPZ-RL датащи(PDF) 1 Page - Analog Devices

номер детали AD7982BCPZ-RL
подробное описание детали  18-Bit, 1 MSPS PulSAR 7.0 mW ADC in MSOP/QFN
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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AD7982BCPZ-RL датащи(HTML) 1 Page - Analog Devices

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18-Bit, 1 MSPS PulSAR 7.0 mW
ADC in MSOP/QFN
Data Sheet
AD7982
Rev. B
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
©2007–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
FEATURES
18-bit resolution with no missing codes
Throughput: 1 MSPS
Low power dissipation
4 mW at 1 MSPS (VDD only)
7 mW at 1 MSPS (total)
70 μW at 10 kSPS
INL: ±1 LSB typical, ±2 LSB maximum
Dynamic range: 99 dB
True differential analog input range: ±VREF
0 V to VREF with VREF between 2.5 V to 5.0 V
Allows use of any input range
Easy to drive with the ADA4941
No pipeline delay
Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic
interface
Serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible
Ability to daisy-chain multiple ADCs and busy indicator
10-lead package: MSOP (MSOP-8 size) and 3 mm × 3 mm QFN
(LFCSP), SOT-23 size
APPLICATIONS
Battery-powered equipment
Data acquisition systems
Medical instruments
Seismic data acquisition systems
APPLICATION DIAGRAM EXAMPLE
AD7982
REF
GND
VDD
IN+
IN–
VIO
SDI
SCK
SDO
CNV
1.8V TO 5V
ADA4941
3- OR 4-WIRE
INTERFACE
(SPI, CS
DAISY CHAIN)
2.5V TO 5V 2.5V
±10V, ±5V, ..
Figure 1.
GENERAL DESCRIPTION
The AD7982 is an 18-bit, successive approximation, analog-to-
digital converter (ADC) that operates from a single power supply,
VDD. It contains a low power, high speed, 18-bit sampling ADC
and a versatile serial interface port. On the CNV rising edge,
the AD7982 samples the voltage difference between the IN+
and IN− pins. The voltages on these pins usually swing in
opposite phases between 0 V and VREF. The reference voltage,
REF, is applied externally and can be set independent of the
supply voltage, VDD. Its power scales linearly with throughput.
The SPI-compatible serial interface also features the ability,
using the SDI input, to daisy-chain several ADCs on a single
3-wire bus and provides an optional busy indicator. It is compatible
with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the separate VIO supply.
The AD7982 is available in a 10-lead MSOP or a 10-lead QFN
(LFCSP) with operation specified from −40°C to +85°C.
Table 1. MSOP, QFN (LFCSP) 14-/16-/18-Bit PulSAR® ADCs
Type
100 kSPS
250 kSPS
400 kSPS to 500 kSPS
≥1000 kSPS
ADC Driver
18-Bit True Differential
AD7691
AD7690
AD7982
ADA4941
AD7984
ADA4841
16-Bit True Differential
AD7684
AD7687
AD7688
ADA4941
AD7693
ADA4841
16-Bit Pseudo Differential
AD7680
AD7685
AD7686
AD7980
ADA4841
AD7683
AD7694
14-Bit Pseudo Differential
AD7940
AD7942
AD7946
ADA4841


Аналогичный номер детали - AD7982BCPZ-RL

производительномер деталидатащиподробное описание детали
logo
Analog Devices
AD7982BCPZ-RL AD-AD7982BCPZ-RL Datasheet
804Kb / 26P
   18-Bit, 1 MSPS PulSAR 7 mW ADC in MSOP/LFCSP
AD7982BCPZ-RL7 AD-AD7982BCPZ-RL7 Datasheet
804Kb / 26P
   18-Bit, 1 MSPS PulSAR 7 mW ADC in MSOP/LFCSP
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Аналогичное описание - AD7982BCPZ-RL

производительномер деталидатащиподробное описание детали
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Analog Devices
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