HT9170D

更新时间： 2024-02-09 21:52:21

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
12页	125K
描述
DTMF Receiver

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中文翻译

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技术参数
数据手册

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HT9170D 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.82
Is Samacsys：	N	Base Number Matches：	1

HT9170D 数据手册

HT9170

DTMF Receiver

Features

Operating voltage: 2.5V~5.5V

Tristate data output for mC interface

3.58MHz crystal or ceramic resonator

1633Hz can be inhibited by the INH pin

HT9170B: 18-pin DIP package

Minimal external components

No external filter is required

Low standby current (on power down mode)

Excellent performance

HT9170D: 18-pin SOP package

General Description

The HT9170 series are Dual Tone Multi Fre-

quency (DTMF) receivers integrated with digi-

tal decoder and bandsplit filter functions. The

HT9170B and HT9170D types supply

power-down mode and inhibit mode operations.

All types of the HT9170 series use digital count-

ing techniques to detect and decode all the 16

DTMF tone pairs into a 4-bit code output.

Highly accurate switched capacitor filters are

employed to divide tone (DTMF) signals into

low and high group signals. A built-in dial tone

rejection circuit is provided to eliminate the

need for pre-filtering.

Selection Table

Function

Operating

OSC

Tristate

Voltage Frequency Data Output Down Inhibit

Power 1633Hz

DV DVB Package

Part No.

HT9170B 2.5V~5.5V

HT9170D 2.5V~5.5V

3.58MHz

18 DIP

18 SOP

December 20, 1999

12 3 4 5 6 7...12

中文翻译

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