GENERAL DESCRIPTION

The TC9400/TC9401/TC9402 are low-cost voltage-to-frequency (V/F) converters utilizing low power CMOS technology. The converters accept a variable analog input signal and generate an output pulse train whose frequency is linearly proportional to the input voltage.

FEATURES

Voltage-to-Frequency

■ Choice of Guaranteed Linearity:

TC9401 ......................................................... 0.01

TC9400 ......................................................... 0.05

TC9402 ......................................................... 0.25

■ DC to 100 kHz (F/V) or 1Hz to 100kHz (V/F)

■ Low Power Dissipation .......................... 27mW Typ

■ Single/Dual Supply Operation .................................+ 8V to + 15V or ±4V to ±7.5V

■ Gain Temperature Stability ..........±25 ppm/°C Typ

■ Programmable Scale Factor

Frequency-to-Voltage

■ Operation ........................................... DC to 100 kHz

■ Choice of Guaranteed Linearity:

TC9401 ......................................................... 0.02

TC9400 ......................................................... 0.05

TC9402 ......................................................... 0.25

■ Programmable Scale Factor

APPLICATIONS

■ μP Data Acquisition

■ 13-Bit Analog-to-Digital Converters

■ Analog Data Transmission and Recording

■ Phase-Locked Loops

■ Frequency Meters/Tachometer

■ Motor Control

■ FM Demodulation

TC9401屬于集成電路（IC） > V/F 和 F/V 轉(zhuǎn)換器。微芯科技股份有限公司制造生產(chǎn)的TC9401V/F 和 F/V 轉(zhuǎn)換器壓頻轉(zhuǎn)換集成電路 (IC) 監(jiān)視輸入電壓并輸出比例頻率，以用于汽車傳感、電池監(jiān)測、模數(shù)轉(zhuǎn)換和信號隔離等應(yīng)用。頻壓轉(zhuǎn)換 IC 輸出與輸入頻率成比例的模擬電壓，用于速度感應(yīng)、轉(zhuǎn)速計、巡航控制和觸摸式開關(guān)等儀器和儀表。