71M6521 Demo Board User’s Manual
Page: 74 of 111
© 2005-2009 TERIDIAN Semiconductor Corporation
Revision 2.18
3.2 DEMO BOARD HARDWARE SPECIFICATIONS
PCB Dimensions
Dimensions
4.5” x 3.8” (114.3mm x 96.5mm)
Thickness
0.062” (1.6mm)
Height w/ components
2.0” (51mm)
Environmental
Operating Temperature
-40°…+85°C
(function of crystal oscillator affected outside –10°C to +60°C)
Storage Temperature
-40°C…+100°C
Power Supply
Using AC Input Signal
180V…700V rms
DC Input Voltage (powered from DC supply)
5VDC
±
0.5V
Supply Current
25mA typical
Input Signal Range
AC Voltage Signal (VA)
0…240V rms
AC Current Signals (IA, IB) from Transducer
0…0.25V p/p
Interface Connectors
DC Supply Jack (J1) to Wall Transformer
Concentric connector, 2.5mm
Emulator (J14)
10x2 Header, 0.05” pitch
Emulator (J15)
5x1 Header, 0.1” pitch
Input Signals
Spade terminals and 0.1” headers on PCB bottom
Debug Board (J2)
8x2 Header, 0.1” pitch
Target Chip (U5)
LQFP64/QFN68
Functional Specification
Time Base Frequency
32.768kHz,
±
20PPM at 25°C
Time Base Temperature Coefficient
-0.04PPM/°C
2
(max)
Controls and Displays
Reset
Button (SW2)
Numeric Display
8-digit LCD, 8-segments per digit, 12.7mm character
height, 89.0 x 17.7mm view area
“Watts”, “VARS”
red LEDs (D5, D6)
Measurement Range
Voltage
120…700 V rms (resistor division ratio 1:3,398)
Current
1.7
Ω
termination for 2,000:1 CT input (200A)
Regulatory Compliance
RoHS
For boards manufactured after 7-17-2006, the PCB,
components, and processing are in compliance with
the RoHS guidelines.
