EVALUATION FIXTURE 800kHz 12-BIT ADS7810P ADS7819P INCLUDED 12-BI

The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers.

EVALUATION FIXTURE 800kHz 12-BIT ADS7810P ADS7819P INCLUDED 12-BI

Datasheet Thumbnail

Top Searches for this datasheet

DEM-ADS7810/19C
EVALUATION FIXTURE
800kHz 12-BIT ADS7810P ADS7819P INCLUDED 12-BIT BUFFERED PARALLEL OUTPUT CONNECTOR DIGITAL PINS CRYSTAL OSCILLATOR BASED 800kHz CONVERT COMMAND GENERATOR EXTERNAL CONNECTORS PROTOTYPE AREA
DESCRIPTION
DEM-ADS7810/19C Evaluation Fixture fully assembled printed circuit board used evaluate ADS7810P ADS7819P. This device incorporates analog input amplifier (with provisions bypass this amplifier), parallel digital output buffer, crystal oscillator-based 800kHz convert command generator, external connectors, 2.3" 1.2" breadboard area. DEM-ADS7810/19C achieves full converter performance two-layer board. This fixture requires only power supplies. optional bipolar power supply connector provided input amplifier breadboarding.
APPLICATIONS
EVALUATE ADS7810P ADS7819P PERFORMANCE BREADBOARD COMPLETE ANALOG SYSTEM EVALUATE SIMPLE TWO-LAYER LAYOUT INCOMING INSPECTION TEST FIXTURE
International Airport Industrial Park Mailing Address: 11400 Tel: (602) 746-1111 Twx: 910-952-1111 Cable: BBRCORP Tucson, 85734 Street Address: 6730 Tucson Blvd. Tucson, 85706 Telex: 066-6491 FAX: (602) 889-1510 Immediate Product Info: (800) 548-6132
1993 Burr-Brown Corporation
LI-454
Printed U.S.A. December, 1993
TABLE CONTENTS
This Manual Legend Factory Settings Step-by-Step Basic Operations Device Input Amplifier Offset/Gain Adjust Convert Command Generator Output Format. Power Supplies Wiring Diagram Pin-Out Output Connectors. Component Side Solder Side Installed Component List. Packing List
THIS MANUAL
table diagrams included "Factory Settings" section showing board configured from factory. listing other components, which shipped with board, also included. Step-by-Step Basic Operations section describes options. each step, figure illustrates factory settings. Items installed highlighted those figures. further details OPA671, ADS7810P, ADS7819P, other device DEM-ADS7810/19C, refer specific product data sheet.
information provided herein believed reliable; however, BURR-BROWN assumes responsibility inaccuracies omissions. BURR-BROWN assumes responsibility this information, such information shall entirely user's risk. Prices specifications subject change without notice. patent rights licenses circuits described herein implied granted third party. BURR-BROWN does authorize warrant BURR-BROWN product life support devices and/or systems.
DEM-ADS7810/19
FIGURE Legend.
FACTORY SETTINGS
With supplies connected DEM-ADS7810/ starts converting 800kHz with input range ±10V(ADS7810P) ±2.5V (ADS7819P). Data read
MAKE SELECTION EACH STEP Device Input Amplifier Offset Adjust Gain Adjust Convert Command
full parallel from Buffered full parallel read from following listing "factory settings".
FACTORY SETTINGS ADS7810P installed. OPA671 bypassed. Trim circuit installed. Trim circuit installed. On-board 800kHz convert command generator connected R/C. tied with jumper. 12-bit buffered full parallel output. 3-pin power block (P2) ready ±5V.
OPTIONS (requires alteration demo board, needed components included). ADS7819P included installation. Switching jumpers selects input amplifier. Apply ±15V Trim circuit resistors potentiometers included installation. Step-by-Step Basic Operations, step Trim circuit resistors potentiometers included installation. Step-by-Step Basic Operations, step combination used control conversions Refer product datasheets timing diagrams limits. Full parallel output (P5). 3-pin power block (P1) ready ±15V (for with breadboard optional input amplifier).
Output Format Power Supplies
NOTE: Each these steps explained detail Step-by-Step Basic Operations section.
TABLE Quick Reference Factory Settings Other Options.
DEM-ADS7810/19
FACTORY SETTINGS (CONT)
Hardware Installed Comments 3-Pin Power Block 3-Pin Power Block Mount Connector Mount Connector Header Mount Connector Shrouded Header 28-Pin Socket ADS7810P ADS7819P 8-Pin Socket OPA671 Headers Refer Step-by-Step Basic Operations, Step
ANALOG INPUT BUSY OPTIONAL POWER
BURR-BROWN CORP. ADS7810/19 EVALUATION BOARD
POWER
EXTERNAL
SELECT EXTERNAL
DIGITAL
FROM SELECT
PARALLEL OUTPUT
FIGURE Hardware Installed.
Jumpers for:
Setting "INT"
Comments (Input Amplifier Socket) bypassed Crystal On-Board Convert Command Generator Selected (Outputs 800kHz R/C) Controlled Tied
BURR-BROWN CORP. ADS7810/19 EVALUATION BOARD
BUSY
"From
SELECT
DIGITAL
FROM SELECT
FIGURE Jumpers Installed.
DEM-ADS7810/19
FACTORY SETTINGS (CONT)
ADS7819P ADS7810P OPA671 Installed Comments Included Package Plugged into 28-Pin Socket (U1) Plugged into 8-Pin Socket (U2) 4-Bit Decade Counter Schmitt Inverters 8-Bit Latch 8.000MHz Crystal Oscillator
BURR-BROWN CORP. ADS7810/19 EVALUATION BOARD
FIGURE Installed.
Resistors
Installed
Comments 4.99k 1/4W 1%(1) 221k 1/4W 1%(1) 49.9 1/4W 1%(1) 49.9 1/4W 1/4W
-R5- -R6- -R2- -R7-
BURR-BROWN CORP. ADS7810/19 EVALUATION BOARD
-R8-
RV1, Capacitors C6,C8, C10, C12-C16
Installed
1/4" Comments
0.1µF (50V ceramic) 10µF (10V Tantalum)
-R9-
NOTE: Included Package.
Pots
Installed
Comments
FIGURE Resistors Capacitors Installed.
DEM-ADS7810/19
STEP-BY-STEP BASIC OPERATIONS
STEP ADS7810P ADS7819P test ADS7810P, install ADS7810P test ADS7819P, install ADS7819P NOTE: ADS7810P input range ±10V. ADS7819P input range ±2.5V. alteration board necessary when switching from other. Factory Setting: C4-C11 28-pin socket soldered board. ADS7810P plugged into
Step Offset/Gain Adjust Offset Adjust adjust offset, install (5k) (4.99k), ground input, then adjust RV2. Figure location Gain Adjust adjust gain, install (5k) (221k), then adjust RV1. this +full scale -full scale. Figure NOTE: offset directly affects gain. Always trim offset first. maximum precision, more than iteration these adjustments required. Factory Setting: ±10V input range without offset/gain trim, soldered board.
OPTIONAL POWER -R7- -R5- -R6-
POWER
-R1- -R2- -R3-
EXTERNAL -R8- BUSY
ANALOG INPUT
DIGITAL
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
SELECT -R9- EXTERNAL PARALLEL OUTPUT
ANALOG INPUT
OPTIONAL POWER -R7- -R5- -R6-
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
-R1- -R2- -R3-
POWER EXTERNAL -R8- BUSY
FROM SELECT
DIGITAL
FIGURE Factory Settings Step Step On-Board Input Amplifier on-board input amplifier, jumpers must position, (Optional Power) must supplied with ±15V. factory setting amplifier yields inverting gain Combinations resistors will affect gain amplifier follows: GAIN (R7)/(R5 NOTE: on-board input amplifier improve quality signal reaching ADS7810P ADS7819P. This depends output characteristics signal generator. Factory Setting: "A", bypassing amplifier, 8-pin socket (U2) soldered board. OPA671 plugged into
SELECT -R9- EXTERNAL PARALLEL OUTPUT
FROM SELECT
FIGURE Factory Settings Step Step Convert Command Generator "INT" selects on-board convert command generator operating 800kHz (divided down from 8MHz U3). "EXT" selects external convert command generator. Apply negative-going pulse, 100ns duration, (External Convert Command). This connector terminated board with resistor (R8). Adjust voltage generator swing pulse rate desired frequency (800kHz). NOTE: When using external convert command, trace powering on-board convert command generator eliminate noise contributions oscillator. reconnect, install jumper "EXT" allows user control "read" "convert" commands (CS) (R/C). Refer product data sheets timing diagrams limits. Factory Setting: "From P5", "INT", conversions synchronized on-board convert command generator 800kHz. soldered board.
OPTIONAL POWER -R7- -R5- -R6-
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
-R1- -R2- -R3-
POWER EXTERNAL -R8- BUSY
DIGITAL
ANALOG INPUT
OPTIONAL POWER
SELECT -R9- EXTERNAL PARALLEL OUTPUT
FROM SELECT
FIGURE Factory Settings Step
DEM-ADS7810/19
OPTIONAL POWER -R7- -R5- -R6-
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
-R1- -R2- -R3-
POWER
ANALOG INPUT
EXTERNAL -R8- BUSY
SELECT
DIGITAL
EXTERNAL
FROM SELECT
SELECT
-R9- EXTERNAL
PARALLEL OUTPUT
FROM
EXTERNAL
SELECT
FIGURE Factory Settings Step Step Parallel Output outputs full parallel data Figure outputs buffered full parallel data-See Figure rising edge pulse will output (Data Valid) signifying conversion that data valid. Data will from most recently completed conversion. Factory Setting: C13, soldered board. Buffered full parallel output
BUSY (LSB) (MSB)
OPTIONAL POWER -R7- -R5- -R6-
Step Power Supplies power supplies connected (Power) that required operate DEM-ADS7810/19C. optional amplifier used, must supplied with power (OPA671 requires least ±15V this application). Factory Setting: ready connected appropriate power supplies.
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
-R1- -R2- -R3-
POWER EXTERNAL -R8- BUSY
OPTIONAL POWER POWER
ANALOG INPUT
OPTIONAL POWER -R7- -R5- -R6-
POWER
-R1- -R2- -R3-
ANALOG INPUT
DIGITAL
EXTERNAL -R8- BUSY
DIGITAL
SELECT -R9- EXTERNAL PARALLEL OUTPUT
DIGITAL
BURR-BROWN COR. ADS7810/19 EVALUATION BOARD
FROM SELECT
SELECT -R9- EXTERNAL PARALLEL OUTPUT
FROM SELECT
FIGURE Factory Settings Step
PARALLEL OUTPUT
DATA VALID
FIGURE Factory Settings Step
DEM-ADS7810/19
74HCT190 CTEN LOAD MAX/MIN 0.1µF 49.9 49.9 From External 49.9 Select ADS7810 221k AGND1 AGND2 (MSB) DGND OPTIONAL POWER (LSB) 0.1µF 0.1µF Digital 74HCT574 +VANA +VDIG DGND 74HCT574 Parallel Output BUSY -VANA +VDIG 10µF POWER 10µF 10µF 10µF +VANA 74HCT14 0.1µF 0.1µF 0.1µF External OPA671 8.000MHz F110E
NOTE: This circuit diagram includes offset gain circuitry. Refer pages factory settings.
0.1µF 0.1µF 0.1µF 0.1µF 0.1µF
Analog Input
FIGURE DEM-ADS7810/19C Circuit Diagram.
DEM-ADS7810/19
ADS7810/19P FUNCTION D11(MSB) (LSB) BUSY
ADS7810/19P FUNCTION
ADS7810/19P FUNCTION B1(MSB) DATA DATA DATA DATA DATA VALID
ADS7810/19P FUNCTION
TABLE Pinout Digital Connector (P5).
TABLE III. Pinout Buffered Output (P6).
FIGURE Component Side (Ground Plane).
DEM-ADS7810/19
FIGURE Solder Side
DEM-ADS7810/19
INSTALLED COMPONENT LIST
REFERENCE C8-C10 C12-C16 C3-5, 9,11 J1-J3, SR205C104KAA TAP106K010SCS NSH-3SB-S1-T IDH-40LP-S3-TG ED500/3DS KC-79-274-M06 NSH-40DB-S1-T 5043ED49R90F 5193ED1K000F ADS7810P OPA671 74HC190 74HC14 74HC574 F1100E MSB-2366-G-C-STP DIP-328011B DIP-308011B 0.1µF Ceramic Capacitor 10µF Tantalum Capacitor Header Shrouded Header 3-pin Power Block Mount Connector Header 49.9 1/4W Resistor 1/4W Resistor 12-Bit Sampling Converter 4-Bit Decade Counter Schmitt Inverters 8-Bit Latch 8.000MHz Crystal Oscillator Centerline Shunt 28-Pin Socket (0.3") 8-Pin Socket Robinson Nugent Robinson Nugent On-Shore Technology Kings Robinson Nugent Philips Philips Burr-Brown Burr-Brown T.I. T.I. T.I. McKenzie McKenzie McKenzie QUANTITY PART NUMBER DESCRIPTION MANUFACTURER(1)
PACKING LIST
REFERENCE Demo Board RV1,RV2 ADS7810P ADS7819P Demo Board Info. QUANTITY ITEM DEM-ADS7810/19C ADS7819P RJ26FW502 5043ED4k990F 5043ED4221KF PDS-1138A PDS-1193A LI-454 DESCRIPTION Fully assembled printed circuit board with ADS7810P installed. 12-bit Sampling Converter 1/4" trimmer resistors 4.99k 1/4W resistor 221k 1/4W resistor ADS7810 Product Data Sheet ADS7819 Product Data Sheet DEM-ADS7810/19C Manual MANUFACTURER(1) Burr-Brown Burr-Brown Bourns Phillips Phillips Burr-Brown Burr-Brown Burr-Brown
NOTE: reference only. Equivalent components used.
DEM-ADS7810/19

EVALUATION FIXTURE 800kHz 12-BIT ADS7810P ADS7819P INCLUDED 12-BI

Top Searches for this datasheet

Other recent searches