Analog Devices AD7176-2 Evaluation Board EVAL-AD7176-2SDZ EVAL-AD7176-2SDZ データシート
製品コード
EVAL-AD7176-2SDZ
EVAL-AD7176-2SDZ User Guide
UG-478
One
Technology
Way
•
P.O.
Box
9106
•
Norwood,
MA
02062-9106,
U.S.A.
•
Tel:
781.329.4700
•
Fax:
781.461.3113
•
www.analog.com
—24-Bit, 250 kSPS Sigma-Delta ADC with
20 μs Settling
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. A | Page 1 of 40
FEATURES
Full featured evaluation board for the
PC control in conjunction with the system demonstration
platform (
PC software for control and data analysis (time domain)
Standalone capability
Standalone capability
ONLINE RESOURCES
Evaluation Kit Contents
EVAL-AD7176-2SDZ
evaluation board
Evaluation software CD for the
Documents Needed
data sheet
EVAL-AD7176-2SDZ
(UG-478) user guide
Required Software
EVAL-AD7176-2SDZ
evaluation software
EQUIPMENT NEEDED
EVAL-AD7176-2SDZ
evaluation board
system demonstration platform
External 7 V to 9 V power supply
DC signal source
USB cable
PC running Windows with USB 2.0 port
DC signal source
USB cable
PC running Windows with USB 2.0 port
GENERAL DESCRIPTION
The
EVAL-AD7176-2SDZ
24-bit, 250 kSPS analog-to-digital converter (ADC). A 7 V to
9 V external bench top supply is regulated to 5 V and 3.3 V to
supply the
9 V external bench top supply is regulated to 5 V and 3.3 V to
supply the
and support all necessary components.
The
EVAL-AD7176-2SDZ
board connects to the USB port of
the PC by connection to the
motherboard.
The
EVAL-AD7176-2SDZ
software fully configures the
device register functionality and provides dc time
domain analysis in the form of waveform graphs, histograms,
and associated noise analysis for ADC performance evaluation.
The
and associated noise analysis for ADC performance evaluation.
The
EVAL-AD7176-2SDZ
is an evaluation board that is
designed to allow the user to evaluate the features of the ADC.
The user PC software executable controls the
The user PC software executable controls the
over
the USB through the system demonstration platform board
(
(
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
EVAL-AD7176-2SDZ
Block Diagram
11035-
001
AV
DD1
AVSS
GPIO0 GPIO1
XTAL1 CLKIO/XTAL2
DGND
RE
F
–
RE
F
+
RE
F
O
UT
AV
DD2
RE
G
CAP
A
AIN0
AIN1
AIN2
AIN3
AIN4
1.8V
LDO
LDO
1.8V
LDO
LDO
INT
REF
CROSSPOINT
MULTIPLEXER
IOV
D
D
RE
G
CAP
D
I/O
CONTROL
S
E
RI
AL
INT
E
RF
ACE
AND CO
NT
RO
L
DIGITAL
FILTER
AD7176-2
PRECISION
REFERENCE
XTAL AND INTERNAL
CLOCK OSCILLATOR
CLOCK OSCILLATOR
CIRCUITRY
SCLK
DIN
CS
DOUT/RDY
SYNC/ERROR
TO AD7175-2
REFOUT PIN
POWER
LED
STATUS
L
ED
ADSP-BF527
USB
SDP-B
ADC
ADP1720
5V LDO
ADR445
5V VREF
7V TO 9V
VIN
ADP1720
3.3V LDO
3.3V LDO
ADP7104
5V LDO
ON-BOARD
NOISE TEST
AD8656
ADA4940-1
AD8656
AD8475