ADE7759 Analog Devices, ADE7759 Datasheet - Page 32

• Manufacturer Part Number: ADE7759
• Description: Active Energy Metering IC with di/dt Sensor Interface
• Manufacturer: Analog Devices

ADE7759
CH1OS Register (08H)
The CH1OS register is an 8-bit, read/write enabled register. The MSB of this register is used to switch on/off the digital integrator in
Channel 1, and Bits 0 to 5 indicate the amount of the offset correction in Channel 1. Table VIII summarizes the function of this register.
Bit Location
0 to 5
6
7
(ACTIVE ENERGY REGISTER OVERFLOW)
Bit Mnemonic
OFFSET
Not Used
INTEGRATOR
(TEMPERATURE REGISTER READY)
(ZERO CROSSING DETECTED)
DIGITAL INTEGRATOR SELECTION
CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS
ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE
ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN
0.078 (1.98)
0.068 (1.73)
0.008 (0.203)
0.002 (0.050)
PIN 1
Description
The six LSBs of the CH1OS register control the amount of dc offset correction in Channel 1
ADC. The 6-bit offset correction is sign and magnitude coded. Bits 0 to 4 indicate the magnitude
of the offset correction. Bit 5 shows the sign of the offset correction. A 0 in Bit 5 means the
offset correction is positive and a 1 indicates the offset correction is negative.
This bit is unused.
This bit is used to activate the digital integrator on Channel 1. The digital integrator is switched
on by setting this bit. This bit is set to be 1 on default.
NOT USED
0 = DISABLE
1 = ENABLE
AEOF
TEMP
NOTE: REGISTER CONTENTS SHOW POWER ON DEFAULTS
20
1
ZX
REGISTER CONTENTS SHOW POWER-ON DEFAULT
0.295 (7.50)
0.271 (6.90)
20-Shrink Small Outline Package
Dimensions shown in inches and (mm).
0.0256
(0.65)
BSC
Table VIII. CH1OS Register
7
OUTLINE DIMENSIONS
0
6
0
7
1
SEATING
5
0
0.066 (1.67)
PLANE
0.07 (1.78)
11
10
6
0
CH1OS REGISTER
4
0
(RS-20)
0.212 (5.38)
0.205 (5.21)
5
0
0
3
4
0
0.009 (0.229)
0.005 (0.127)
2
0
0.301 (7.64)
0.311 (7.9)
0
3
1
0
2
0
0
0
1
0
ADDR: 10H
8
0
0
0
AEHF
(ACTIVE ENERGY REGISTER HALF FULL)
SAG
(LINE VOLTAGE SAG DETECT)
CYCEND
(END OF LINE CYCLE ENERGY ACCUMULATION)
WSMP
(WAVEFORM SAMPLING)
ADDR: 08H
SIGN AND MAGNITUDE CODED
OFFSET CORRECTION BITS
NOT USED
0.022 (0.559)
0.037 (0.94)