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NJU9214

Features: • 4•3/4 Digit Display (Available for UP to ±39,999 Display)• 42 Segments Quick Response Bargraph Display• NJRC Original Dual-Slope A to D Converter (±40,000Counts)• High Speed Dual-Slope A to D Converter (±400Counts)• Quick Response Auto-Ranging (20tim...

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SeekIC No. : 004434599 Detail

NJU9214: Features: • 4•3/4 Digit Display (Available for UP to ±39,999 Display)• 42 Segments Quick Response Bargraph Display• NJRC Original Dual-Slope A to D Converter (±40,000Counts)&...

NJU9214 Data Sheet

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Part Number:
NJU9214
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• 4•3/4 Digit Display (Available for UP to ±39,999 Display)
• 42 Segments Quick Response Bargraph Display
• NJRC Original Dual-Slope A to D Converter (±40,000Counts)
• High Speed Dual-Slope A to D Converter (±400Counts)
• Quick Response Auto-Ranging (20times/sec)
• Frequency/Capacitance/Tachometer/Adapter Measurement
• Root-Mean-Square Measurement by connecting a External RMS-DC Converter
• External Relay Driving
• Data Memory/Data Hold/Relative Display/MAX, MIN Display
• Power-on Initializing
• Auto Power-off
• Buttery Life Detector
• Rotary/Push SW Mode Selection
• 1/4 Duty LCD Display Driver
• Piezo Buzzer Direct Driving
• RS-232C Interface
• External Reference Input required
• Low Operating Current
• C-MOS Technology
• Package Outline TQFP100


Specifications

PARAMETER SYMBOL RATINGS UNIT
Supply Voltage Range VDDA - VSSA 11 V
  VDDD - VSSD 5.5 V
Control Terminal Voltage Vid VDDD to VSSD V
Analog Terminal Voltage Via VDDA to VSSA V
Terminals
Current		 Supply Teminal IDD, IGND, ISS 50 mA
OVH Terminal IOVH 50
Others II 10
Operating Temperature Topr 0 to +50
Storage Temperature Range Tstg -40 to +125
VDDD and VDDA must be same voltage level.


Description

The NJU9214 is a 4•3/4 digits single chip digital multimeter LSI with 2 segments bargraph display.

The NJU9214 realizes high precision of ±40,000 counts measurement y the NJRC original dual-slope A to D converter and realizes lso quick response bargragh display and auto-ranging by another high peed dual-slope A to D converter.

The input attenuator part of NJU9214 is simplified because the resistor for resistance easurement is applied for voltage bleeder resistor.

Furthermore, the NJU9214 realizes root-mean-square measurement or AC voltage and current by connecting a External RMS-DC Converter, nd Data output by the on chip RS-232C interface circuit.

The NJU9214 is suitable for high precision and high performance ultimeter.




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