EVAL-AD7766-1EDZ Analog Devices Inc, EVAL-AD7766-1EDZ Datasheet

BOARD EVAL AD7766-1 64KSPS 111DB

EVAL-AD7766-1EDZ

Manufacturer Part Number
EVAL-AD7766-1EDZ
Description
BOARD EVAL AD7766-1 64KSPS 111DB
Manufacturer
Analog Devices Inc
Datasheets

Specifications of EVAL-AD7766-1EDZ

Number Of Adc's
1
Number Of Bits
24
Sampling Rate (per Second)
64k
Data Interface
Serial
Inputs Per Adc
1 Differential
Input Range
±VREF
Power (typ) @ Conditions
10.5mW @ 64kSPS
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 105°C
Utilized Ic / Part
AD7766-1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Preliminary Technical Data
FEATURES
Full-featured evaluation board for the:
EVAL-CED1Z compatible
Standalone capability
On-board analog buffering and voltage reference
Various linking options
PC software for control and data analysis when used with the
GENERAL DESCRIPTION
This data sheet describes the evaluation board for the, AD7766,
AD7766-1, AD7766-2, which are 24-bit, single-channel,
oversampled successive-approximation (SAR) ADCs. These
parts operate from 2.5V power supply, (AVDD1, DVDD), a
1.8V to 5V VDRIVE and use a 5V reference ADR445.
The AD7766 has a maximum output data rate of 128 KHz. The
derivatives AD7766-2 operate at a max speed of 64 KHz, with
the AD7766-2 offering a max speed of 32 KHz. The AD7766-1
and AD7766-2 versions digitally filter more rigorously, meaning
Mini-USB
Rev. PrB
Evaluation boards are only intended for device evaluation and not for production purposes.
Evaluation boards are supplied “as is” and without warranties of any kind, express, implied, or
statutory including, but not limited to, any implied warranty of merchantability or fitness for a
particular purpose. No license is granted by implication or otherwise under any patents or other
intellectual property by application or use of evaluation boards. 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. Analog Devices reserves the right to change devices or specifications at any time
without notice. Trademarks and registered trademarks are the property of their respective owners.
Evaluation boards are not authorized to be used in life support devices or systems.
Input
AD7766
AD7766-1
AD7766-2
EVAL-CED1Z
Supply
7.5V
EVAL-CED1Z
Evaluation Board for 24-Bit,8.5mW,109dB,
Figure 1. Evaluation Board Block Diagram
96-Way Connector
-2.5V
External Supplies
1.024Mhz
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
that greater noise performance is achieved, trading off on
output data rate.
All the AD7766 devices (AD7766, AD7766-1, AD7766-2) offer
16-bit linearity (15ppm).
Full details on the versions of the AD7766 are available in the
AD7766 data sheet, which is available from Analog Devices,
Inc., and should be consulted in conjunction with this data
sheet when using the evaluation board.
ON-BOARD COMPONENTS INCLUDE:
ADR445, 5 V ultrahigh precision band gap reference
Two ADA4841-1 operational amplifiers
(Run from 7.5V and -2.5V external supplies).
Various MCLK options
Various link options are explained in the Evaluation Board
Hardware section. Interfacing to this board is through a 96-way
connector. This 96-way connector is compatible with the CED,
which is available from Analog Devices. External connectors are
provided for a number of signals.
GND
1MHz
Clock
EVAL-AD7766/66-1/66-2EDZ
DRD Y
MCLK
SCLK
+7.5V
SDO
CS
128/64/32kSPs ADC
©2007 Analog Devices, Inc. All rights reserved.
AD7766/
AD7766-1
AD7766-2
ADR445
U1
EVAL-AD7766/-1/-2EDZ
2 x ADA4841-1
ANALOG
Op-amps
INPUT
www.analog.com
Connector
XLR

Related parts for EVAL-AD7766-1EDZ

EVAL-AD7766-1EDZ Summary of contents

Page 1

... Rev. PrB Evaluation boards are only intended for device evaluation and not for production purposes. Evaluation boards are supplied “as is” and without warranties of any kind, express, implied, or statutory including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose. No license is granted by implication or otherwise under any patents or other intellectual property by application or use of evaluation boards ...

Page 2

... PrA 10/07— Revision PrB Preliminary Technical Data Installing the Software ..................................................................7 Setting Up the EVAL-CEDZ ........................................................7 USing the evaluation System............................................................9 Hardware connections..................................................................9 Using the Software ........................................................................9 Evaluation Board Schematics and Artwork................................ 12 Ordering Information.................................................................... 20 Bill Of Materials.......................................................................... 20 Ordering Guide .......................................................................... 24 ESD Caution................................................................................ 24 Rev. PrB | Page ...

Page 3

... LINK OPTIONS There are 3 link options that must be set for the required operating setup before using the evaluation board. The functions of the options are outlined in Table 1. These options are initially setup so that the user supplies +7.5V and -2.5V to the V+ and V- terminals of J12 in order to comply with the voltage regulations of the ADA4841-1 amplifiers (U2 & ...

Page 4

... There are a further 10 solder link options for various functions. These link options are outlined in Table 2. All solder links are set so that the user can plug and play the evaluation board direct. The default settings lists the settings for the AD7766/-1/-2 evaluation board for operation with the CED board and are listed in the right hand column of the table ...

Page 5

... Selects the common mode source, which is applied to the operational driving amplifiers. The AD7766/66-1/66-2, inputs must be driven differentially using a common mode voltage of V the EVAL-AD7766/66-1/66-2EDZ V A Allows the user to supply the common mode voltage from the 2.5V star point created at the 2.5V DVDD supply. In this case, eliminate the two potential dividers (R9 & ...

Page 6

... EVAL-AD7766/66-1/66-2 SOCKETS There are 12 SMB input sockets relevant to the operation of the AD7766/-1/-2 on this evaluation board. All of these sockets are used for applying an externally generated signal to the evaluation board. When operating the board with the CED, the only external sockets necessary are those used to supply the analog inputs to the ADC (that is, VA, VB). All of the other sockets are optional and if they are not used, the CED supplies their signals ...

Page 7

... USB driver files have been properly installed before the EVAL-CEDZ is connected to the PC. When the software is ran for the first time with the EVAL- CEDZ board connected to the PC, the PC will automatically find the new device and will identify it. Follow the onscreen instructions that appear automatically ...

Page 8

... EVAL-AD7766/66-1/66-2 3) Accept the license agreement by selecting the correct option and clicking “Next” as shown in Figure 4. Figure 4. AD7766/-1/-2 Evaluation software install start the installation, click the “Next” button as shown in Figure 5. This window details the actions of the installation. Figure 5.AD7766/-1/-2 Install actions ...

Page 9

... The frequency of the EVAL-AD7766EDZ crystal oscillator is 1MHz. The Part Information tab also includes a Busy status indicator, which lights when the evaluation board is busy and an Exit button to allow the user quit the program. Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 10

... The Waveform sub-tab displays a digital storage oscilloscope (DSO) that allows you to display a waveform. When samples are uploaded from the EVAL-CED1Z board, they are displayed here. The samples are displayed as integer code values. At the bottom left of the graph are the zoom options. These allow you to zoom in and out to get a closer look at a sample, if required ...

Page 11

... Preliminary Technical Data Figure 8 .Data Capture AD7766/AD7766-1/AD7766-2 tab. Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 12

... EVAL-AD7766/66-1/66-2 EVALUATION BOARD SCHEMATICS AND ARTWORK AD7766/-1/-2 schematics, silkscreen, and layout . Figure 9. AD7766/-1/-2 Evaluation Board Circuit Diagram Page Rev. PrB | Page Preliminary Technical Data ...

Page 13

... Preliminary Technical Data Figure 10. AD7766/-1/-2 Evaluation Board Circuit Diagram Page Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 14

... EVAL-AD7766/66-1/66-2 Figure 11. AD7766/-1/-2 Evaluation Board Circuit Diagram Page Rev. PrB | Page Preliminary Technical Data ...

Page 15

... Preliminary Technical Data Figure 12. AD7766/-1/-2 Evaluation Board Circuit Diagram Page Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 16

... EVAL-AD7766/66-1/66-2 Figure 13. AD7766/-1/-2 Evaluation Board Circuit Diagram Page Rev. PrB | Page Preliminary Technical Data ...

Page 17

... Preliminary Technical Data Figure 14.AD7766/66-1/66-2 Evaluation Board Top Silkscreen. Figure 15. AD7766/66-1/66-2 Evaluation Board Layer 1 Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 18

... EVAL-AD7766/66-1/66-2 Figure 16. AD7766/66-1/66-2 Evaluation Board Layer 2 Figure 17. AD7766/66-1/66-2 Evaluation Board Layer 3 Rev. PrB | Page Preliminary Technical Data ...

Page 19

... Preliminary Technical Data Figure 18. AD7766/66-1/66-2 Evaluation Board Layer 4 Solder side view. Figure 19. AD7766/66-1/66-2 Evaluation Board Bottom Silkscreen Rev. PrB | Page EVAL-AD7766/66-1/66-2 ...

Page 20

... EVAL-AD7766/66-1/66-2 ORDERING INFORMATION BILL OF MATERIALS Table 5 Reference Part Type Designator 2XCMODE_REG AVDD_REG C1 3.3nF C2 0.1uF C3 0.1uF C4 10uF C5 10pF C6 0.1uF C7 1nF C8 0.1uF C9 3.3nF C10 0.1uF C11 1nF C12 10pF C13 0.1uF C14 10uF C15 10uF C16 0.1uF C17 1nF C18 0.1uF C19 0.1uF ...

Page 21

... X7R Multilayer Ceramic Capacitor 50V X7R Multilayer Ceramic Capacitor 50V X7R Multilayer Ceramic Capacitor 50V X7R Multilayer Ceramic Capacitor 20V Tantalum Capacitor 16V X7R Multilayer Ceramic Capacitor 20V Tantalum Capacitor Rev. PrB | Page EVAL-AD7766/66-1/66-2 Manufacturer Supplier No. Epcos FEC 753567 Phycomp FEC 722170 Epcos ...

Page 22

... EVAL-AD7766/66-1/66-2 Reference Part Type Designator C109 1nF C110 10uF C111 10uF DRDY DVDD_REG F10 F11 GND0 GND1 GND2 GND3 GND4 GND5 GND6 GND7 GND8 GND9 J10 J11 J12 J13 J15 LK1 B LK2 B LK3 Reference Designator 50V X7R Multilayer Ceramic Capacitor 20V Tantalum Capacitor ...

Page 23

... Solder to Link B Solder to link C Solder to Link B Solder to Link B ADC (AD7767BRUZ, AD7767-1BRUZ or AD7767-2BRUZ) SINGLE SUPPLY OP-AMP SINGLE SUPPLY OP-AMP Reset Generator Rev. PrB | Page EVAL-AD7766/66-1/66-2 Manufacturer Supplier No. Holsworthy (Tyco) FEC 4628846 Holsworthy (Tyco) FEC 4628846 Holsworthy (Tyco) FEC 4628846 Multicomp FEC 9330631 ...

Page 24

... VDRIVE_REG TESTPOINT Y1 OSC-8DIP ORDERING GUIDE Model Description EVAL-AD7766EDZ AD7767 Evaluation Board EVAL-AD7766-1EDZ AD7767-1 Evaluation Board EVAL-AD7766-2EDZ AD7767-2 Evaluation Board EVAL-CED1Z Converter Evaluation Development Board Z = RoHS Compliant Part. ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ...

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