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CS5460-BS 其他数据使用手册 - Cirrus Logic（思睿逻辑）
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CS5460-BS数据手册
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//AWAW-ff
CS5460
Single
Phase
Bi-Directional
Power/Energy
IC
Features
" Energy Data
Linearity
:
0
.1
%
of
Reading
over
1000
:1
Dynamic
Range
*
On-Chip
Functions
:
Energy,
I
* V,
IRMS
and
VRMS,
Energy
to
Pulse-Rate
Conversion
*Complies
with
IEC
687/1036,
J
IS
*
Power
Consumption
<12
mW
*
Interface
Optimized
for
Shunt
Sensor
"
Phase
Compensation
"
Ground-Referenced
Signals
with
Single
Supply
*
System
Calibration
"
On-chip
2
.5
V
Reference
(60
ppm/°C
drift)
*Simple
Three-wire
Serial
Interface
*
Watch
Dog
Timer
"
Power
Supply
Monitor
"
Power
Supply
Configurations
-
VA+
=
+5
V
;
VA-
=
0V
;
VD+
=
+3
V
to
+5
V
-
VA+=+2
.5
V
;
VA-=-2
.5
V
;
VD+=+3
V
VA+
RESET
VD+
I I
N+
I I
N-
VI
N+
VIN-
VREFIN
VREFOUT
Description
The
CS5460
is
a
highly integrated
AE
Analog-to-Digital
Converter
(ADC)
which
combines
two
AE
ADCs,
high
speedpower
calculation
functions,
and
a
serial
interface
on
a
single
chip
.
It
is
designed
to
accurately
measure
and
calculate
:
Energy,
Instantaneous
Power,
IRMS,
and
VRMS
for
single
phase
2
or 3-wire
power
meter
applica-
tions
.
The
CS5460
interfaces
to
a
low
cost
shunt
or
transformer
to
measure
current,
and
resistive
divider
or
transformer
to
measure
voltage
.
The
CS5460
features
a
bi-directional
serial
interface
for
communication
with
a
micro-controller
and
a
fixed-width
programmable
fre-
quency
output
that
is
proportional
to
energy
.
The
product
is
initialized
and
fully
functional
upon
power-up,
and
in-
cludes
facilities
for
system-level
calibration
under
control
of
the
user
program
.
ORDERING
INFORMATION
:
CS5460-BS
-40°C
to
+85°C
24-pin
SSOP
PGA
High
Pass
Watch
Dog
x10x50
Filter
Timer
,
4th
Order
Di
ital
AY_
0
g
Filter
Modulator
Power
Calculation
Engine
(Energy
Serial
10
I
'
V
Interface
x10
IRMS'VRMS
2nd
Order
Digital
Filter
Modulator
x1
High
Pass
E-to-F
Filter
L
Voltage
Power
System
/K
Clock
Calibration
Reference
Monitor
Clock
Generator
SRAM
CS
SDI
SDO
SCLK
INT
EDIR
EOUT
VA-
PFMON
XIN
XOUTCPUCLK
DGND
Preliminary
Product
Information
This
document
contains
information
for
a
new
product
.
Cirrus
Logic
reserves
the
right
to
modify
this
product
without
notice
.
!M
CIRRUSLOGIC®
Copyright
©
Cirrus Logic, Inc
.
2000
JAN
`00
P
.O
.
Box
17847,
Austin,
Texas
78760
(All
Rights
Reserved)
DS279PP5
(512)
445
7222
FAX
:
(512)
445
7581
http
://Www
.
cirrus
.
com
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