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SA9109B

Features: · Performs bidirectional energy metering and directly drives a LCD with 7 digits display plus announciators· Programable method of energy addition· Pin compatible with SAMES SA9109A· 4 externally selectable on-chip tariff registers· An additional total energy register· Meets the IEC 521/...

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SeekIC No. : 004483838 Detail

SA9109B: Features: · Performs bidirectional energy metering and directly drives a LCD with 7 digits display plus announciators· Programable method of energy addition· Pin compatible with SAMES SA9109A· 4 ext...

SA9109B Data Sheet

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Part Number:
SA9109B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/5/15

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Product Details

Description



Features:

· Performs bidirectional energy metering and directly drives a LCD with 7 digits display plus announciators
· Programable method of energy addition
· Pin compatible with SAMES SA9109A
· 4 externally selectable on-chip tariff registers
· An additional total energy register
· Meets the IEC 521/1036 Specification requirements for Class 1 AC Watt hour meters
· Optical interface for electronic reading according to IEC1107 Mode D
· Pulse output for calibration
· Power consumption rating below 40mW
· Adaptable to different types of current sensors
· Operates over a wide temperature range
· Precision voltage reference on-chip
· Protected against ESD


Pinout

Connection Diagram


Specifications

Parameter Symbol Min Max Unit
Supply Voltage VDD -VSS -0.3 6.0 V
Current on any pin IPIN -150 +150 mA
Storage Temperature TSTG -40 +125 °C
Operating Temperature TO -40 +85 °C


* Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only. Functional operation of the device at these or any other condition above those indicated in the operational sections of this specification, is not implied. Exposure to Absolute Maximum Ratings for extended periods may affect device reliability.




Description

The SAMES SA9109B Single Phase bidirectional energy metering integrated circuit has an integrated Liquid Crystal Display (LCD) driver for a 7 digit (7 segment) display as well as 4 multiple tariff registers. The SA9109B performs the active power calculation.

The method of calculation SA9109B takes the power factor into account.

Two methods of energy measurement are available. One method results in energy values which take the direction of energy flow into account, a summation of signed integers. The alternative method measures energy regardless of the direction of energy flow, a summation of absolute values. The required measurement method may be selected when writing to the RAM of the device.




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