UM7108A中文資料聯(lián)電數(shù)據(jù)手冊(cè)PDF規(guī)格書

Features

? Multi-function measurement system: ? Provides serial data output for other applications

? Analog to digital converter (UM7108F)

? Data hold and Peak hold, both with LCD B Guaranteed zero reading with zero input

annunciators ? True polarity indication for precision

+ Short circuit beeper with LCD annunciator null detection

? Low battery detector with LCD annunciator ? Convenient 9V battery operation

?? Frequency counter with two LCD annunciators ? Low power operation — 10mW

(UM7108F) ? Low noise A/D converter

? Frequency counter: Auto range from 2 KHz to 20 MHz ? Lownoise — 15 uV

￥ Triplex LCD display ? Differential inputs — 1 pA bias current

? Full 3 1/2-Digit Display - Differential reference for ratiometric ohms

+ Bannunciators -— Data-hold, Peak-hold, KHz, MHz, ? On-chip voltage reference — 20 ppM/°C drift

Low-bat, Continuance + Low linearity error guaranteed less than 1 count

= 1 annunciator drive pin for unit display + High Impedance CMOS differential inputs —10a

+ 3 decimal point drivers with 3 independent ? Applications: digital panel meters, digital

control pins multi meters, thermometers, capacitance meters,

? Polarity driver pH meters, photometers etc.

+ Displays “OL for input overrange