Cirrus Logic CS5460A - Manual (Page 18)

CS5460A
18 DS487F5
VA+ VD+
0.1µF
200µF
200
N
10

14
VIN+
9
VIN-
IIN-
10
15
16
IIN+
PFMON
CPUCLK
XOUT
XIN
Optional
Clock
Source
RESET
17
2
1
24
CS
SDI
SDO
SCLK
INT
EDIR
22
EOUT
21
0.1 µF
VREFIN
12
VREFOUT
11
VA- DGND
13 4
3
To Service
2.5 MHz to
20 MHz
0.1 µF
10 k

5 k
L
* Refer to Input Protection
M:1
R
N:1
Low Phase-Shift
Potential Transformer
Current
Transformer
CS5460A
** Refer to Input Filtering
R
V+
*
R
V-
*
C
Vdiff
* *
R
I-
*
R
I+
*
C* *
Burden
Idiff
Voltage
Transformer
120 VAC
12 VAC
12 VAC
 200 
Serial
Data
Interface
19
7
23
6
5
20
Mech. Counter
Stepper Motor
or
1k 
1k 
1k 
1k 
+
NOTE: Current channel
input measures voltage
(just like voltage input).
C
V+
* *
C
V-
* *
C
I+
* *
C
I-
* *
Figure 7. Typical Connection Diagram (One-Phase 2-Wire, Isolated from Power Line)