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EVAL-AD7660EDZ

Description
EVAL BOARD FOR AD7660
CategoryDevelopment board/suite/development tools   
File Size444KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
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EVAL-AD7660EDZ Overview

EVAL BOARD FOR AD7660

EVAL-AD7660EDZ Parametric

Parameter NameAttribute value
Number of A/D converters1
Number of digits16
Sample rate (per second)100k
Data interfaceDSP, MICROWIRE™, Parallel, QSPI™, Serial, SPI™
input range±VREF
Power under different conditions (typical values)-
IC/parts usedAD7660
What's includedplate
a
FEATURES
Throughput: 100 kSPS
INL: 3 LSB Max ( 0.0046% of Full-Scale)
16-Bit Resolution with No Missing Codes
S/(N+D): 87 dB Min @ 10 kHz, 90 dB Typ @ 45 kHz
THD: –96 dB Max @ 10 kHz
Analog Input Voltage Range: 0 V to 2.5 V
Both AC and DC Specifications
No Pipeline Delay
Parallel and Serial 5 V/3 V Interface
/DSP Compatible
SPI
®
/QSPI™/MICROWIRE™
Single 5 V Supply Operation
21 mW Typical Power Dissipation, 21 W @ 100 SPS
Power-Down Mode: 7 W Max
Package: 48-Lead Quad Flatpack (LQFP)
48-Lead Chip Scale Package (LFCSP)
Pin-to-Pin Compatible with the AD7664
APPLICATIONS
Data Acquisition
Battery-Powered Systems
PCMCIA
Instrumentation
Automatic Test Equipment
Scanners
Medical Instruments
Process Control
IN
INGND
16-Bit, 100 kSPS PulSAR
Unipolar CMOS ADC
AD7660
®
FUNCTIONAL BLOCK DIAGRAM
AVDD AGND REF REFGND
DVDD
DGND
OVDD
SERIAL
PORT
SWITCHED
CAP DAC
16
D[15:0]
BUSY
PARALLEL
INTERFACE
PD
RESET
CLOCK
CONTROL LOGIC AND
CALIBRATION CIRCUITRY
RD
CS
SER/PAR
OB/2C
OGND
AD7660
CNVST
Table I. PulSAR Selection
Type/kSPS
Pseudo
Differential
True Bipolar
True
Differential
18-Bit
100–250
500–570
800–1000
AD7651
AD7650/AD7652 AD7653
AD7660/AD7661 AD7664/AD7666 AD7667
AD7663
AD7675
AD7678
AD7665
AD7676
AD7679
AD7654
AD7655
AD7671
AD7677
AD7674
GENERAL DESCRIPTION
The AD7660 is a 16-bit, 100 kSPS, charge redistribution SAR,
analog-to-digital converter that operates from a single 5 V power
supply. The part contains an internal conversion clock, error cor-
rection circuits, and both serial and parallel system interface ports.
The AD7660 is hardware factory-calibrated and is comprehen-
sively tested to ensure ac parameters such as signal-to-noise ratio
(SNR) and total harmonic distortion (THD), in addition to the
more traditional dc parameters of gain, offset, and linearity.
It is fabricated using Analog Devices’ high performance,
0.6 micron CMOS process with correspondingly low cost and is
available in a 48-lead LQFP and a tiny 48-lead LFCSP with
operation specified from –40∞C to +85∞C.
Simultaneous/
Multichannel
PRODUCT HIGHLIGHTS
1. Fast Throughput
The AD7660 is a 100 kSPS, charge redistribution, 16-bit
SAR ADC with internal error correction circuitry.
2. Superior INL
The AD7660 has a maximum integral nonlinearity of 3 LSBs
with no missing 16-bit code.
3. Single-Supply Operation
The AD7660 operates from a single 5 V supply and only
dissipates 21 mW typical. Its power dissipation decreases
with the throughput to, for instance, only 21
mW
at a 100 SPS
throughput. It consumes 7
mW
maximum when in power-down.
4. Serial or Parallel Interface
Versatile parallel or 2-wire serial interface arrangement com-
patible with both 3 V or 5 V logic.
REV.
E
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 owners.
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
© 2001-2016 Analog Devices, Inc. All rights reserved.

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Number of digits 16 16 16
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Data interface DSP, MICROWIRE™, Parallel, QSPI™, Serial, SPI™ DSP, MICROWIRE™, Parallel, QSPI™, Serial, SPI™ SPI, parallel, DSP
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