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SA2007HSA Datasheet

  • SA2007HSA

  • Single Phase Bidirectional Dual Element Power/Energy Meterin...

  • 10頁

  • SAMES

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Single Phase Bidirectional Dual Element
Power/Energy Metering IC with Pulse Output
SA2007H
FEATURES
+
Two current sensor inputs
+
Dual pulse and energy direction outputs
+
No external crystal or resonator required
+
Performs bi-directional power and energy measurement
+
Meets the IEC 521/1036 Specification for Class 1 AC Watt
hour meters
sames
+
+
+
+
+
Protected against ESD
Total power consumption rating below 25mW
Adaptable to different types of sensors
Operates over a wide temperature range
Precision voltage reference on-chip
DESCRIPTION
The SAMES SA2007H is a single phase bidirectional dual
element energy metering integrated circuit. It provides a
simple analog interface to a micro-controller and is specifically
designed for meter manufacturers to have full control over the
meter functionality.
The SA2007H has two current sensor inputs. The power
consumption on both inputs are continuously measured. A
typical application would be to monitor Live and Neutral lines
for tamper detection.
For each current sensor input the SA2007H integrated circuit
has a corresponding pulse output, each generating a pulse
rate with a frequency proportional to the power consumption
measured on the specific channel.
The SA2007H performs active power measurement and takes
the power factor into account. Energy consumption can be
determined by the power measurement being integrated over
time. The energy flow direction information is also available for
each channel.
IIP1
IIN1
CURRENT
CHANNEL 1
X POWER 1
POWER TO
PULSE RATE
P1
D1
OMODE
IVP
VOLTAGE
AGND
OUTPUT
CONTROL
RP
INT
IIP2
IIN2
CURRENT
CHANNEL 2
X POWER 2
POWER TO
PULSE RATE
P2
D2
FMO
VOLTAGE
REF.
OSC
TIMING
dr-01623
V
DD
V
SS
VREF
TCLK
TEST
Figure 1: Block diagram
SPEC-0116 (REV. 1)
1/10
PRELIMINARY
15-01-01

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