CDB5460AU Cirrus Logic Inc, CDB5460AU Datasheet - Page 18

• Manufacturer Part Number: CDB5460AU
• Description: EVALUATION BOARD FOR CS5460A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB5460AU

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS5460A
• Primary Attributes: 1-Phase Current & Voltage Monitoring
• Secondary Attributes: Graphical User Interface, SPI™ & USB Interfaces
• Processor To Be Evaluated: CS5460A, C8051F320
• Interface Type: USB
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

18
Figure 7. Typical Connection Diagram (One-Phase 2-Wire, Isolated from Power Line)
N
To Service
120 VAC
L
Potential Transformer
Low Phase-Shift
Transformer
Transformer
Current
Voltage
N:1
M:1
** Refer to Input Filtering
* Refer to Input Protection
12 VAC
12 VAC
R
1k Ω
1k Ω
Burden
1k Ω
1k Ω
200 Ω
R
R
*
V-
*
V+
+
R
R
*
I+
*
I-
200µF
C
200
C
* *
V+
0.1 µF
* *
V-
C
C
Ω
* *
* *
I+
I-
C
* *
Vdiff
C * *
10
12
11
0.1µF
Idiff
15
16
9
IIN+
VIN+
VIN-
IIN-
VREFIN
VREFOUT
VA+
NOTE: Current channel
input measures voltage
(just like voltage input).
14
VA-
CS5460A
13
10 Ω
DGND
CPUCLK
PFMON
RESET
XOUT
EOUT
SCLK
4
EDIR
VD+
SDO
XIN
SDI
INT
CS
3
5 k Ω
17
2
1
24
19
7
23
6
5
20
22
21
0.1 µF
2.5 MHz to
20 MHz
Mech. Counter
Stepper Motor
or
Optional
Interface
Source
10 k Ω
Clock
Serial
Data
CS5460A
DS487F4