Datasheet > ES51998

ES51998

更新时间： 2024-02-19 03:10:08

品牌	Logo	应用领域
承永 - CYRUSTEK		/
页数	文件大小	规格书
31页	989K
描述
DMM Analog front end/Insulation

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中文翻译

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数据手册

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ES51998 数据手册

ES51998(60000counts)

DMM Analog front end/Insulation

Description

Features

ES51998 is an analog frond end chip of

DMM built-in 60000(SADC)/600(FADC)

counts dual ADCs. The SADC is operated at

slower speed for higher resolution. The

FADC is operated at higher speed for lower

resolution. ES51998 provides voltage &

current (AC/DC) measurement, resistance

measurement, capacitance measurement,

diode/continuity measurement, frequency

measurement, duty cycle measurement and

voltage peak-hold function. An analog

switches network is built-in for insulation

resistance application. The ES51998 also

supports multi-level battery detection,

low-pass-filter feature for AC mode and dual

mode measurement for V+F & A+F. A 3-wire

serial bus for MPU I/O port will be used

easily for firmware design. Flexible function

design is supported for different kinds of

DMM or Clamp-on meter application.

• 60000 counts dual-slope SADC (2 cnvs/s.)

• Input signal full scale: 630mV (Max. 63000 count)

• Built-in 600 counts fast speed (x10) FADC

• Fast ADC conversion rate: 20 times/s

• 100L LQFP package

• 3V DC regulated power supply

• Support digital multi-meter function

*Voltage measurement (AC/DC)

*Current measurement (AC/DC)

*Dual mode for frequency with voltage or current

*Resistance measurement (600.00Ω – 60.000MΩ)

*Conductance measurement (60.00nS)

*Capacitance measurement (6.000nF – 60.00mF)

(Taiwan patent no.: 323347, 453443)

*Diode or continuity mode measurement

*Frequency counter with duty cycle display:

60.000Hz – 60.000MHz

5.0% – 95.0%

• ADP mode (AC or DC mode is available)

• 3dB BW selectable for low pass filter at AC mode

(Taiwan patent no.: 362409)

(China patent no.: 1363073)

• Band-gap reference voltage output

• Peak-hold measurement

(Taiwan patent no.:476418)

• 3-wire serial bus for MPU I/O port

• MPU I/O power level selectable by external pins

• On-chip buzzer driver and frequency selectable by

MPU command

• High-crest-factor signal detection

(Taiwan patent no.: 234661)

• Multi-level battery voltage detection

• Support sleep mode by external chip select pin

Application

Clamp-on meter

Digital multi-meter

ver 1.7

12/01/12

12 3 4 5 6 7...31

中文翻译

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与ES51998相关器件

型号	品牌	获取价格	描述	数据表
ES51999	CYRUSTEK	获取价格	4 3/4 and 5 3/4 A/D AUTO
ES51C1	ECLIPTEK	获取价格	OSCILLATOR
ES51C1A10N-10.000M	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 10 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN
ES51C1A10N-10.245M	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 10.245 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN
ES51C1A10N-10.245MTR	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 10.245 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN
ES51C1A10N-11.0592M	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 11.0592 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN
ES51C1A10N-12.352M	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 12.352 MHz, ROHS COMPLIANT PACKAGE, CERAMIC, SMD, 10 PIN
ES51C1A10N-12.352MTR	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 12.352 MHz, ROHS COMPLIANT PACKAGE, CERAMIC, SMD, 10 PIN
ES51C1A10N-13.560M	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 13.56 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN
ES51C1A10N-14.000MTR	ECLIPTEK	获取价格	TCXO, CLIPPED SINE OUTPUT, 14 MHz, ROHS COMPLIANT, CERAMIC, SMD, 10 PIN

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